10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2015

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

COMMISSION FILE NUMBER 001-36279

CARA THERAPEUTICS, INC.

(Exact name of registrant as specified in its charter)

Delaware	75-3175693
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

1 Parrott Drive

Shelton, Connecticut 06484

(Address of registrant’s principal executive offices)

Registrant’s telephone number, including area code: (203) 567-1500

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    x  Yes    ¨  No.

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    x  Yes    ¨  No.

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See definition of “large accelerated filer”, “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	¨	Accelerated filer	¨
Non-accelerated filer	x	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    ¨  Yes    x  No.

The number of outstanding shares of the registrant’s common stock, par value $0.001 per share, as of August 5, 2015 was: 27,164,875.

CARA THERAPEUTICS, INC.

INDEX TO FORM 10-Q

FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2015

		PAGE NUMBER
Item 1.	Financial Statements (Unaudited):
	Condensed Balance Sheets as of June 30, 2015 and December 31, 2014		1
	Condensed Statements of Operations for the Three and Six Months Ended June 30, 2015 and 2014		2
	Condensed Statements of Convertible Preferred Stock and Stockholders’ (Deficit) Equity for the Six Months Ended June 30, 2015 and 2014		3
	Condensed Statements of Cash Flows for the Six Months Ended June 30, 2015 and 2014		4
	Notes to Condensed Financial Statements		5
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		14
Item 3.	Quantitative and Qualitative Disclosures About Market Risk		24
Item 4.	Controls and Procedures		24
	PART II – OTHER INFORMATION
Item 1.	Legal Proceedings		25
Item 1A	Risk Factors		25
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds		26
Item 3.	Defaults Upon Senior Securities		26
Item 4.	Mine Safety Disclosures		26
Item 5.	Other Information		26
Item 6.	Exhibits		27
	SIGNATURES		28

PART I

FINANCIAL INFORMATION

Item 1. Financial Statements.

CARA THERAPEUTICS, INC.

CONDENSED BALANCE SHEETS

(amounts in thousands, excluding share and per share data)

(unaudited)

	June 30, 2015			December 31, 2014
Assets
Current assets:
Cash and cash equivalents	$	43,191		$	52,663
Income tax receivable		250			200
Prepaid expenses and other current assets		590			287
Total current assets		44,031			53,150
Property and equipment, net		1,710			2,084
Restricted cash		700			700
Total assets	$	46,441		$	55,934
Liabilities and stockholders’ equity
Current liabilities:
Accounts payable and accrued expenses	$	3,150		$	1,946
Deferred revenue		89			1,452
Total current liabilities		3,239			3,398
Deferred lease obligation		732			874
Commitments and contingencies (Note 10)		—			—
Stockholders’ equity:
Preferred stock; $0.001 par value; 5,000,000 shares authorized at June 30, 2015 and December 31, 2014, zero shares issued and outstanding at June 30, 2015 and December 31, 2014		—			—
Common stock; $0.001 par value; 100,000,000 shares authorized at June 30, 2015 and December 31, 2014, 22,836,919 shares and 22,802,039 shares issued and outstanding at June 30, 2015 and December 31, 2014, respectively		23			23
Additional paid-in capital		133,021			131,840
Accumulated deficit		(90,574	)		(80,201	)
Total stockholders’ equity		42,470			51,662
Total liabilities and stockholders’ equity	$	46,441		$	55,934

See Notes to Condensed Financial Statements.

1

CARA THERAPEUTICS, INC.

CONDENSED STATEMENTS OF OPERATIONS

(amounts in thousands, excluding share and per share data)

(unaudited)

	Three Months Ended						Six Months Ended
	June 30, 2015			June 30, 2014			June 30, 2015			June 30, 2014
Revenue:
License and milestone fees	$	—		$	302		$	—		$	302
Collaborative revenue		874			526			1,363			677
Clinical compound revenue		—			132			—			159
Total revenue		874			960			1,363			1,138
Operating expenses:
Research and development		4,684			3,200			8,069			5,401
General and administrative		1,922			1,472			3,744			2,870
Total operating expenses		6,606			4,672			11,813			8,271
Operating loss		(5,732	)		(3,712	)		(10,450	)		(7,133	)
Interest income		13			56			27			78
Loss before benefit from income taxes		(5,719	)		(3,656	)		(10,423	)		(7,055	)
Benefit from income taxes		35			11			50			27
Net loss	$	(5,684	)	$	(3,645	)	$	(10,373	)	$	(7,028	)
Net loss per share -Basic and Diluted	$	(0.25	)	$	(0.16	)	$	(0.45	)	$	(0.37	)
Weighted average shares:
Basic and Diluted		22,828,612			22,608,324			22,818,601			19,150,412

See Notes to Condensed Financial Statements.

2

CARA THERAPEUTICS, INC.

CONDENSED STATEMENTS OF CONVERTIBLE PREFERRED STOCK

AND STOCKHOLDERS’ (DEFICIT) EQUITY

(amounts in thousands except share and per share data)

(unaudited)

	Common Stock				Additional Paid-in		Accumulated			Total Stockholders’ (Deficit)			Convertible Preferred Stock
	Shares		Amount		Capital		Deficit			Equity			Shares			Amount
Balance at December 31, 2013		4,288,243	$	4	$	8,377	$	(62,456	)	$	(54,075	)		29,186,929		$	65,586
Preferred stock converted to common shares		12,554,171		13		65,573		—			65,586			(29,186,929	)		(65,586	)
Sale of common stock in initial public offering ($11.00 per share), net of underwriting discounts and commissions and offering expenses of $7,003		5,750,000		6		56,241		—			56,247			—			—
Stock-based compensation expense		—		—		809		—			809			—			—
Shares issued upon exercise of stock options		46,000		—		29		—			29			—			—
Net loss		—		—		—		(7,028	)		(7,028	)		—			—
Balance at June 30, 2014		22,638,414	$	23	$	131,029	$	(69,484	)	$	61,568			—		$	—
	Common Stock				Additional Paid-In		Accumulated			Total Stockholders’			Convertible Preferred Stock
	Shares		Amount		Capital		Deficit			Equity			Shares			Amount
Balance at December 31, 2014		22,802,039	$	23	$	131,840	$	(80,201	)	$	51,662			—		$	—
Stock-based compensation expense		—		—		1,146		—			1,146			—			—
Shares issued upon exercise of stock options		34,880		—		35		—			35			—			—
Net loss		—		—		—		(10,373	)		(10,373	)		—			—
Balance at June 30, 2015		22,836,919	$	23	$	133,021	$	(90,574	)	$	42,470			—		$	—

See Notes to Condensed Financial Statements.

3

CARA THERAPEUTICS, INC.

CONDENSED STATEMENTS OF CASH FLOWS

(amounts in thousands)

(unaudited)

	Six Months Ended
	June 30, 2015			June 30, 2014
Operating activities
Net loss	$	(10,373	)	$	(7,028	)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense		1,146			809
Depreciation and amortization		386			393
Deferred rent costs		(142	)		(130	)
Changes in operating assets and liabilities:
Other receivables		—			(480	)
Income tax receivable		(50	)		4
Prepaid expenses and other current assets		(303	)		(561	)
Accounts payable and accrued expenses		1,204			69
Deferred revenue		(1,363	)		(406	)
Net cash used in operating activities		(9,495	)		(7,330	)
Investing activities
Purchases of property and equipment		(12	)		(6	)
Net cash used in investing activities		(12	)		(6	)
Financing activities
Proceeds from initial public offering, net of issuance costs		—			57,762
Proceeds from the exercise of stock options		35			29
Net cash provided by financing activities		35			57,791
Net cash (decrease) increase for the period		(9,472	)		50,455
Cash and cash equivalents at beginning of period		52,663			12,357
Cash and cash equivalents at end of period	$	43,191		$	62,812
Noncash financing activities
Conversion of convertible preferred stock to common stock	$	—		$	65,586
Reclassification of prepaid IPO costs paid in 2013		—			1,465
Unpaid IPO issuance costs		—			50

See Notes to Condensed Financial Statements.

4

CARA THERAPEUTICS, INC.

NOTES TO CONDENSED FINANCIAL STATEMENTS

(amounts in thousands, except share and per share data)

(unaudited)

1. Business

Cara Therapeutics, Inc. (the “Company”, “we”, “our” or “us”) is a clinical-stage biopharmaceutical corporation formed on July 2, 2004. The Company is focused on developing and commercializing new chemical entities designed to alleviate pain and pruritus by selectively targeting kappa opioid receptors. The Company’s primary activities to date have been organizing and staffing the company, developing its product candidates, including conducting preclinical studies and clinical trials of CR845-based product candidates and raising capital.

As of June 30, 2015, the Company has raised aggregate net proceeds of approximately $129,600 from several rounds of equity financing, including its initial public offering, and the issuance of debt. In addition, the Company received $30,100 under its license agreements for CR845, primarily with Maruishi Pharmaceutical Co. Ltd. (“Maruishi”) and Chong Kun Dang Pharmaceutical Corp. (“CKD”), and an earlier product candidate for which development efforts ceased in 2007. Included in those aforementioned payments pursuant to license agreements, in April 2013, the Company received $15,000 as an upfront payment, and in August 2014, the Company received an additional $480 related to achievement of a milestone in connection with the license of rights to CR845 in Japan to Maruishi. In 2012, the Company received aggregate upfront and milestone payments of $1,190 pursuant to a license agreement with CKD, in connection with the license of rights to CR845 in South Korea. The Company has incurred substantial losses and negative cash flows from operating activities in nearly every fiscal period since inception, and expects operating losses and negative cash flows to continue into the foreseeable future.

As of June 30, 2015, the Company had unrestricted cash and cash equivalents of $43,191 and an accumulated deficit of $90,574. The Company had net cash used in operating activities of $9,495 and $7,330 for the six months ended June 30, 2015 and 2014, respectively. The Company expects that cash and cash equivalents at June 30, 2015 will be sufficient to fund its operations beyond one year. The Company recognized net losses of $5,684 and $10,373 for the three and six months ended June 30, 2015, respectively, and $3,645 and $7,028 for the three and six months ended June 30, 2014, respectively, and expects to incur additional losses for the full year ending December 31, 2015.

In order to fund future operations, including clinical trials, the Company filed a shelf registration statement on Form S-3 (File No. 333-203072), which the Securities and Exchange Commission (“SEC”) declared effective on May 13, 2015. The shelf registration statement provides for the offering of up to $150,000 of common stock, preferred stock, debt securities, warrants or any combination thereof. The Company may offer the securities under its shelf registration statement from time to time in response to market conditions or other circumstances if it believes such a plan of financing is in the best interests of its stockholders.

On August 4, 2015, the Company closed an underwritten public offering of 4,327,956 shares of its common stock at a public offering price of $18.60 per share pursuant to its shelf registration statement, receiving net proceeds of approximately $75,060, after deducting the underwriting discounts and commissions and estimated offering expenses payable by the Company (see Note 11, Subsequent Event, of Notes to Condensed Financial Statements).

The Company is subject to risks common to other life science companies including, but not limited to, uncertainty of product development and commercialization, lack of marketing and sales history, development by its competitors of new technological innovations, dependence on key personnel, market acceptance of products, product liability protection of proprietary technology, ability to raise additional financing, and compliance with Food and Drug Administration (“FDA”) and other government regulations. If the Company does not successfully commercialize any of its product candidates, it will be unable to generate recurring product revenue or achieve profitability.

2. Basis of Presentation

The unaudited interim condensed financial statements included herein have been prepared pursuant to the rules and regulations of the SEC. Accordingly, they do not include all information and disclosures necessary for a presentation of the Company’s financial position, results of operations and cash flows in conformity with generally accepted accounting principles in the United States of America (“GAAP”). In the opinion of management, these unaudited interim financial statements reflect all adjustments, consisting primarily of normal recurring accruals, necessary for a fair presentation of results for the periods presented. The results of operations for interim periods are not necessarily indicative of the results for the full year. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted from this report, as is permitted by SEC rules and regulations; however, the Company believes that the disclosures are adequate to make the information presented not misleading.

5

CARA THERAPEUTICS, INC.

NOTES TO CONDENSED FINANCIAL STATEMENTS

(amounts in thousands, except share and per share data)

(unaudited)

The condensed balance sheet data for the year ended December 31, 2014 were derived from audited financial statements, but do not include all disclosures required by GAAP. These unaudited interim condensed financial statements should be read in conjunction with the audited financial statements and accompanying notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities, as of the date of the financial statements as well as the reported amounts of revenues and expenses during the reporting period. Actual results could differ materially from the Company’s estimates and assumptions. Significant estimates include useful lives of fixed assets, the periods over which certain revenues will be recognized, including licensing and collaborative revenue recognized from non-refundable up-front and milestone payments, the determination of prepaid research and development clinical costs and accrued research projects, the amount of non-cash compensation costs related to share-based payments to employees and non-employees and the periods over which those costs are expensed and the likelihood of realization of deferred tax assets.

Significant Accounting Policies

There have been no material changes to the significant accounting policies previously disclosed in Note 2 to the Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014.

Recent Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update 2014-09, Revenue from Contracts with Customers (Topic 606) (“ASU 2014-09”). On July 9, 2015, the FASB decided to delay the effective date of ASU 2014-09 for the Company from January 1, 2017 to January 1, 2018. Earlier application by the Company will be permitted only as of January 1, 2017, including interim reporting periods within the year ending December 31, 2017. The Company does not expect to early adopt ASU 2014-09.

During April 2015, the FASB issued Accounting Standards Update 2015-03 (“ASU 2015-03”) “Interest—Imputation of Interest (Subtopic 835-30) Simplifying the Presentation of Debt Issuance Costs”, which simplifies the presentation of debt issuance costs by requiring debt issuance costs (e.g., legal fees, printing costs) to be presented as a deduction from the corresponding debt liability rather than as assets, as under current guidance. ASU 2015-03 is effective for the Company for financial statements issued for periods beginning on January 1, 2016, including interim periods. Early adoption of ASU 2015-03 is permitted for financial statements that have not been previously issued. Upon adoption, the Company must apply the new guidance retrospectively to all prior periods presented in the financial statements. The Company does not expect the adoption of ASU 2015-03 to have a material effect on its financial position, results of operations or cash flows.

Reclassifications

Certain revenue amounting to $132 and $159 within the Statements of Operations for the three and six months ended June 30, 2014, respectively, has been reclassified from Collaborative revenue to Clinical compound revenue to conform to the current year presentation.

3. Fair Value Measurements

As of June 30, 2015 and December 31, 2014, the Company’s financial instruments consisted of cash and cash equivalents, restricted cash, accounts payable and accrued liabilities. The carrying amount of each of those financial instruments is generally considered to be representative of their respective fair values because of the short-term nature of those instruments.

6

CARA THERAPEUTICS, INC.

NOTES TO CONDENSED FINANCIAL STATEMENTS

(amounts in thousands, except share and per share data)

(unaudited)

Current accounting guidance defines fair value, establishes a framework for measuring fair value in accordance with Accounting Standards Codification (“ASC”) section 820, and requires certain disclosures about fair value measurements.

The valuation techniques included in the guidance are based on observable and unobservable inputs. Observable inputs reflect readily obtainable data from independent sources, while unobservable inputs reflect market assumptions and are classified into the following fair value hierarchy:

• Level 1 – Observable inputs – quoted prices in active markets for identical assets and liabilities.

• Level 2 – Observable inputs other than the quoted prices in active markets for identical assets and liabilities – such as quoted prices for similar instruments, quoted prices for identical or similar instruments in inactive markets, or other inputs that are observable or can be corroborated by observable market data.

• Level 3 – Unobservable inputs – includes amounts derived from valuation models where one or more significant inputs are unobservable and require the Company to develop relevant assumptions.

The following table summarizes the financial assets measured at fair value on a recurring basis as of June 30, 2015 and December 31, 2014.

	June 30, 2015		December 31, 2014
	Level 1		Level 1
Financial assets
Cash equivalents:
Money market savings account	$	42,415	$	52,663
Restricted cash:
Bank certificate of deposit		700		700
Total	$	43,115	$	53,363

4. Prepaid expenses and other current assets

As of June 30, 2015, prepaid expenses and other current assets were $590, consisting of $423 of prepaid insurance, $51 of prepaid offering costs, $35 of prepaid research and development (“R&D”) clinical costs and $81 of other costs. As of December 31, 2014, prepaid expenses and other current assets were $287, consisting of $92 of prepaid insurance, $177 of prepaid R&D clinical costs and $18 of other costs.

5. Collaborations

Maruishi Pharmaceutical Co., Ltd.

In April 2013, the Company entered into a license agreement with Maruishi under which the Company granted Maruishi an exclusive license to develop, manufacture, and commercialize drug products containing CR845 for acute pain and uremic pruritus in Japan. The Company and Maruishi are responsible to use commercially reasonable efforts, at their own expense, to develop, obtain regulatory approval for and commercialize CR845 in the United States and Japan, respectively. In addition, the Company will provide Maruishi specific clinical development services for CR845 used in Maruishi’s field of use.

7

CARA THERAPEUTICS, INC.

NOTES TO CONDENSED FINANCIAL STATEMENTS

(amounts in thousands, except share and per share data)

(unaudited)

The Company has identified two deliverables under ASC 605-25, Revenue Recognition — Multiple Element Arrangements: (1) the license; and (2) the R&D services specific to the uremic pruritus field of use. The Company has determined that the license has standalone value because Maruishi has the right to sublicense and manufacture CR845 in Japan. The second deliverable is the R&D services, which also have standalone value as similar services are sold separately by other vendors. Since both the license and the R&D services separability criteria have been met, they are being accounted for as separate units of accounting at the outset of the arrangement.

Along with the R&D services performed by the Company for Maruishi, the Company supplies Maruishi with CR845 clinical material as an accommodation. The Company had previously entered into manufacturing and service agreements with third parties to manufacture CR845. Payments made by the Company to third parties based on firm and fixed commitments by Maruishi to purchase CR845 from the Company are capitalized as prepaid expense. During the manufacturing process, title and risk of loss remains with the third party until the Company has paid in full for the material.

Once the Company has title to the CR845 and has delivered it to Maruishi, prepaid expense related to that CR845 is reduced with an offset to R&D expense. At that time, Maruishi reimburses the Company for its external and internal costs for purchasing CR845 and processing the sale to Maruishi and the Company recognizes clinical compound revenue for the reimbursement amount. Deposits received from Maruishi prior to delivery of CR845 are recorded as deferred revenue.

Under the terms of the license agreement, the Company is also entitled to receive aggregate milestone payments of $8,000 for events performed by Maruishi in Japan and $2,500 for events performed by the Company in the U.S. At the time of execution of this license agreement, there was significant uncertainty as to whether the stated milestones would be achieved. In conjunction with this uncertainty, the Company has determined that the milestones achieved in the U.S. are substantive in nature as they are commensurate with the enhancement of value of the delivered license as they relate to clinical success and advancement within the FDA drug development platform. The Company will account for those milestone payments under ASC 605 Revenue Recognition – Milestone Method. However, the milestones achieved by Maruishi in Japan are not substantive and will be accounted for as contingent consideration.

The next potential milestone that the Company could be entitled to receive under the Maruishi license agreement will be a clinical development milestone for initiation of a Phase 1 clinical trial in Japan for a certain indication. If achieved, this milestone will result in a $2,000 payment being due to the Company.

8

CARA THERAPEUTICS, INC.

NOTES TO CONDENSED FINANCIAL STATEMENTS

(amounts in thousands, except share and per share data)

(unaudited)

As of June 30, 2015 and December 31, 2014, the Company had $89 and $1,452, respectively, of deferred revenue pursuant to the R&D services deliverable under the license agreement with Maruishi.

During the three months ended June 30, 2015 and 2014, the Company recognized $0 and $302, respectively, of license and milestone fee revenue, representing a portion of the amount earned by the Company upon achievement of a milestone by Maruishi in June 2014, $874 and $526, respectively, of collaborative revenue from the amortization of deferred revenue arising from the portion of the upfront payment received pursuant to the license agreement with Maruishi that was allocated to the R&D services deliverable and $0 and $132, respectively, of clinical compound revenue from the sale of CR845 clinical compound to Maruishi.

During the six months ended June 30, 2015 and 2014, the Company recognized $0 and $302, respectively, of license and milestone fee revenue, $1,363 and $677, respectively, of collaborative revenue and $0 and $159, respectively, of clinical compound revenue.

The Company incurred clinical trial costs related to the R&D services deliverable of $877 and $714 during the three months ended June 30, 2015 and 2014, respectively, and $1,475 and $1,112 during the six months ended June 30, 2015 and 2014, respectively.

6. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

	June 30, 2015		December 31, 2014
Accounts payable	$	711	$	515
Accrued research projects		1,552		549
Accrued professional fees		303		266
Accrued compensation and benefits		543		504
Accrued other		41		112
Total	$	3,150	$	1,946

7. Net Loss Per Share

The Company computes basic net income (loss) per share by dividing net income (loss) by the weighted average number of shares of common stock outstanding. Diluted net income per share includes the potential dilutive effect of common stock equivalents as if such securities were converted or exercised during the period, when the effect is dilutive. Common stock equivalents include convertible preferred stock, and outstanding stock options and stock warrants, which are included using the treasury stock method when dilutive. The computation of diluted net loss per share does not include common stock equivalents since such inclusion would be anti-dilutive. For the three and six months ended June 30, 2015 and 2014, the Company excluded the effects of potentially dilutive shares that were outstanding during those respective periods from the denominator as their inclusion would be anti-dilutive due to the Company’s net losses during those periods.

9

CARA THERAPEUTICS, INC.

NOTES TO CONDENSED FINANCIAL STATEMENTS

(amounts in thousands, except share and per share data)

(unaudited)

The denominators used in the net loss per share computations are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Basic:
Weighted average common shares outstanding		22,828,612		22,608,324		22,818,601		19,150,412
Diluted:
Weighted average common shares outstanding - Basic		22,828,612		22,608,324		22,818,601		19,150,412
Common stock options*		—		—		—		—
Common stock warrants*		—		—		—		—
Convertible preferred stock*		—		—		—		—
Denominator for diluted net loss per share		22,828,612		22,608,324		22,818,601		19,150,412

* No amounts were considered as their effects would be anti-dilutive.

Basic and diluted net loss per share are computed as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Net loss	$	(5,684	)	$	(3,645	)	$	(10,373	)	$	(7,028	)
Weighted-average common shares outstanding:
Basic and Diluted		22,828,612			22,608,324			22,818,601			19,150,412
Net loss per share, Basic and Diluted	$	(0.25	)	$	(0.16	)	$	(0.45	)	$	(0.37	)

Securities outstanding at the end of the respective periods presented below, that could potentially dilute basic earnings per share in the future, that were not included in the computation of diluted net loss per share because to do so would have been anti-dilutive are as follows:

	June 30,
	2015		2014
Common stock options		1,583,480		1,058,160
Common stock warrants		—		19,851
Total		1,583,480		1,078,011

All common stock warrants were exercised in a net exercise on July 31, 2014 (see Note 8, Long-Term Debt, in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014).

10

CARA THERAPEUTICS, INC.

NOTES TO CONDENSED FINANCIAL STATEMENTS

(amounts in thousands, except share and per share data)

(unaudited)

8. Stock-Based Compensation

2014 Equity Incentive Plan

The Company’s 2014 Equity Incentive Plan (the “2014 Plan”) is administered by the Company’s Board of Directors or a duly authorized committee thereof (the “Plan administrator”). The 2014 Plan provides for the grant of incentive stock options, non-statutory stock options, restricted stock awards, restricted stock unit awards, stock appreciation rights, performance stock awards and other forms of equity compensation (collectively, “Stock Awards”). Additionally, the 2014 Plan provides for the grant of performance cash awards. Incentive stock options may be granted only to employees. All other awards may be granted to employees, including officers, non-employee directors, and consultants. No incentive stock options may be granted under the 2014 Plan after the tenth anniversary of the effective date of the 2014 Plan. Stock Awards granted under the 2014 Plan vest at the rate specified by the Plan administrator, which, to date, has been 25% on the first anniversary of the date of grant and the balance ratably over the next 36 months. The Plan administrator determines the term of Stock Awards granted under the 2014 Plan up to a maximum of ten years.

The aggregate number of shares of the Company’s common stock reserved for issuance under the 2014 Plan automatically increases on January 1 of each year, beginning on January 1, 2015 and continuing through and including January 1, 2024, by 3% of the total number of shares of the Company’s capital stock outstanding on December 31 of the preceding calendar year, or a lesser number of shares determined by the Company’s Board of Directors. On January 1, 2015, the aggregate number of shares of common stock that may be issued pursuant to stock awards under the Company’s 2014 Equity Incentive Plan automatically increased from 1,600,000 to 2,284,061. The maximum number of shares that may be issued pursuant to the exercise of incentive stock options under the 2014 Plan is 30,000,000 shares.

Under the 2014 Plan, the Company granted 309,000 and 604,000 stock options during the three and six months ended June 30, 2015, respectively, and 227,000 and 614,000 stock options during the three and six months ended June 30, 2014, respectively. The fair values of stock options granted during the three and six months ended June 30, 2015 and 2014 were estimated as of the dates of grant using the Black-Scholes option pricing model with the following assumptions:

	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Risk-free interest rate	1.87% - 1.89%	1.80% - 1.99%	1.43% - 1.89%	1.80% - 2.72%
Expected volatility	64%	65%	64% - 67%	65% - 71%
Expected dividend yield	0%	0%	0%	0%
Expected life of employee options (in years)	6.25	6.25	6.25	6.25
Expected life of nonemployee options (in years)	10	10	10	10

The weighted average grant date fair value of options granted to employees and members of the Board of Directors for their service during the three and six months ended June 30, 2015 was $6.41 and $6.32, respectively, and during the three and six months ended June 30, 2014 was $8.53 and $7.55, respectively.

The weighted average fair value of outstanding vested options that had been granted to nonemployee consultants as re-measured in accordance with ASC 505-50 was $8.99 and $8.11 during the three and six months ended June 30, 2015, respectively, and $13.75 and $14.61, during the three and six months ended June 30, 2014, respectively.

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CARA THERAPEUTICS, INC.

NOTES TO CONDENSED FINANCIAL STATEMENTS

(amounts in thousands, except share and per share data)

(unaudited)

During the three and six months ended June 30, 2015 and 2014, the Company recognized compensation expense relating to stock options, as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Research and development	$	280	$	159	$	478	$	231
General and administrative		420		297		668		578
Total stock option expense	$	700	$	456	$	1,146	$	809

A summary of stock option award activity as of and for the six months ended June 30, 2015 is presented below:

	Number of Shares			Weighted Average Exercise Price
Outstanding, December 31, 2014		1,022,360		$	8.16
Granted		604,000			10.45
Exercised		(34,880	)		1.02
Expired		(8,000	)		0.25
Outstanding, June 30, 2015		1,583,480			9.23
Options exercisable, June 30, 2015		456,453		$	6.25

9. Income Taxes

For the three months ended June 30, 2015 and 2014, pre-tax losses were $5,719 and $3,656, respectively, and for the six months ended June 30, 2015 and 2014, pre-tax losses were $10,423 and $7,055, respectively. The Company recognized a full tax valuation allowance against net deferred tax assets at June 30, 2015 and December 31, 2014.

The benefit from income taxes of $35 and $11 for the three months ended June 30, 2015 and 2014, respectively, and $50 and $27 for the six months ended June 30, 2015 and 2014, respectively relates to state research and development tax credits exchanged for cash pursuant to the Connecticut Research and Development Tax Credit Exchange Program, which permits qualified small businesses engaged in research and development activities within Connecticut to exchange their unused research and development tax credits for a cash amount equal to 65% of the value of the exchanged credits.

10. Commitments and Contingencies

Contractual obligations and commitments as of June 30, 2015 were as follows:

	Payment Due for the Year Ending December 31,
	2015		2016		2017		2018		Thereafter		Total
Operating lease (1)	$	445	$	913	$	740	$	—	$	—	$	2,098

(1) The Company leases its operating facility located in Shelton, Connecticut.

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CARA THERAPEUTICS, INC.

NOTES TO CONDENSED FINANCIAL STATEMENTS

(amounts in thousands, except share and per share data)

(unaudited)

11. Subsequent Event

On July 29, 2015, the Company entered into an underwriting agreement (the “Underwriting Agreement”) with Stifel, Nicolaus & Company, Incorporated and Piper Jaffray & Co., as representatives of the several underwriters named therein, relating to the issuance and sale by the Company of 3,763,440 shares of its common stock (the “Offering”). The Company also granted the underwriters a 30-day option to purchase up to 564,516 additional shares of its common stock. The Offering was made pursuant to the Company’s Registration Statement on Form S-3 (File No. 333-203072), filed with the SEC on March 27, 2015 and declared effective on May 13, 2015, and a related prospectus supplement dated July 29, 2015, which was filed with the SEC on July 30, 2015. On August 4, 2015, the Company received net proceeds, from the Offering and the full exercise by the underwriters of their option to purchase additional shares, of approximately $75,060, after deducting the underwriting discounts and commissions and estimated offering expenses payable by the Company.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

Cautionary Note Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q contains forward-looking statements, within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, that involve substantial risks and uncertainties. In some cases, you can identify forward-looking statements by the words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “might,” “objective,” “ongoing,” “plan,” “predict,” “project,” “potential,” “should,” “will,” or “would,” and or the negative of these terms, or other comparable terminology intended to identify statements about the future. These statements involve known and unknown risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or achievements to be materially different from the information expressed or implied by these forward-looking statements. Although we believe that we have a reasonable basis for each forward-looking statement contained in this Quarterly Report on Form 10-Q, we caution you that these statements are based on a combination of facts and factors currently known by us and our expectations of the future, about which we cannot be certain.

The forward-looking statements in this Quarterly Report on Form 10-Q include, among other things, statements about:

• the success and timing of our preclinical studies and clinical trials, including our planned Phase 3 clinical trials for I.V. CR845 in acute pain and uremic pruritus, and the reporting of clinical trial results;

• the potential regulatory development pathway for I.V. CR845 in uremic pruritus, including the potential request for breakthrough therapy and orphan drug status;

• our plans to develop and commercialize I.V. CR845 and our other product candidates, including Oral CR845;

• the acceptability to the U.S. Food and Drug Administration (“FDA”) of our proposed Phase 3 program for I.V. CR845 in acute pain;

• the potential results of ongoing and planned clinical trials and future regulatory and development milestones for our product candidates;

• our ability to obtain and maintain regulatory approval of our product candidates, including I.V. CR845 and Oral CR845, and the labeling under any approval we may obtain;

• the anticipated commercial launch of our lead product candidate, I.V. CR845;

• the potential of future scheduling of I.V. CR845 by the United States Drug Enforcement Administration, or DEA, if regulatory approval is received;

• the performance of our current and future collaborators, including Maruishi and CKD, and our ability to maintain such collaborations;

• our ability to establish additional collaborations for our product candidates;

• the continued service of our key scientific or management personnel;

• our ability to establish commercialization and marketing capabilities;

• the rate and degree of market acceptance of any approved products;

• our planned use of our cash and cash equivalents, including the net proceeds from our recently completed follow-on offering, and the clinical milestones we expect to fund with such proceeds;

• the accuracy of our estimates regarding expenses, future revenues and capital requirements;

• our ability to obtain funding for our operations;

• our ability to maintain, obtain and protect our intellectual property portfolio; and

• the performance of third-party manufacturers and clinical research organizations.

You should refer to Part I Item 1A. “Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2014 and to Part II Item 1A “Risk Factors” of this Quarterly Report on Form 10-Q for a discussion of important factors that may cause our actual results to differ materially from those expressed or implied by our forward-looking statements. As a result of these factors, we cannot assure you that the forward-looking statements in this Quarterly Report on Form 10-Q will prove to be accurate. Furthermore, if our forward-looking statements prove to be inaccurate, the inaccuracy may be

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material. In light of the significant uncertainties in these forward-looking statements, you should not regard these statements as a representation or warranty by us or any other person that we will achieve our objectives and plans in any specified time frame or at all. We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

You should read this Quarterly Report on Form 10-Q and the documents that we reference in this Quarterly Report on Form 10-Q and have filed as exhibits to this Quarterly Report on Form 10-Q completely and with the understanding that our actual future results may be materially different from what we expect. We qualify all of our forward-looking statements by these cautionary statements.

The following Management’s Discussion and Analysis of Financial Condition and Results of Operations should be read in conjunction with: (i) the Condensed Financial Statements and related notes thereto which are included in this Quarterly Report on Form 10-Q; and (ii) our Annual Report on Form 10-K for the year ended December 31, 2014.

Overview

We are a clinical-stage biopharmaceutical company focused on developing and commercializing new chemical entities designed to alleviate pain and pruritus by selectively targeting kappa opioid receptors. We are developing a novel and proprietary class of product candidates that target the body’s peripheral nervous system.

Our most advanced product candidate, intravenous, or I.V., CR845, has demonstrated significant pain relief and a favorable safety and tolerability profile in three Phase 2 clinical trials in patients with acute postoperative pain without inducing many of the undesirable side effects typically associated with currently available pain therapeutics. In addition, in the fourth quarter of 2014, we successfully completed a Human Abuse Liability, or HAL, trial of I.V. CR845 in which I.V. CR845 met the primary endpoint of demonstrating statistically significant lower “drug liking” scores as compared to the approved opoid, pentazocine. We believe that the totality of results from the HAL trial are supportive of the potential for CR845 to be the first non-scheduled or low (schedule V) scheduled peripheral opioid for acute pain.

In April 2015, we completed an End-of-Phase 2 meeting with the FDA, to discuss the design of pivotal trials for our I.V. CR845 product candidate in acute pain. Based upon discussions at that meeting, the first of our trials will be an adaptive design study in patients having abdominal surgery, including hysterectomy, prostatectomy and other procedures associated with moderate-to-severe postoperative visceral pain. This trial will evaluate several different dose levels administered pre- and post-operatively, with an interim analysis to identify optimal doses that will be used to complete the enrollment of this study. Subject to FDA protocol review, we anticipate initiating this trial in the third quarter of 2015, with completion of the study expected in 2016. We plan to initiate two additional Phase 3 trials of I.V. CR845 in the first half of 2016 in laparoscopic hysterectomy and bunionectomy. Based on guidance from the FDA, we will require 1,500 total exposures to I.V. CR845, including all Phase 1, Phase 2 and Phase 3 trials, prior to submitting a new drug application, or NDA. We believe our planned clinical trials and our clinical trials completed to date will result in a sufficient number of drug exposures to support an NDA.

We are also developing an oral version of CR845, or Oral CR845, for acute and chronic pain. In the second quarter of 2014, we initiated a Phase 1 trial of a tablet formulation of Oral CR845, for which we announced positive top-line data in the fourth quarter of 2014. We are preparing to advance this tablet formulation of Oral CR845 into a Phase 2a clinical trial in patients with osteoarthritis beginning in the third quarter of 2015, with top-line data expected by the end of 2015. Subject to the successful completion of this trial, we intend to initiate a larger Phase 2b clinical trial of Oral CR845 in a chronic pain indication in the first half of 2016.

We recently completed a proof-of-concept Phase 2 clinical trial of I.V. CR845 for the treatment of uremic pruritus, a systemic condition with high prevalence in dialysis patients, for which there are no approved therapeutics in the United States. In July 2015, we reported positive top-line efficacy results from this trial, in which we observed that I.V. CR845 achieved statistically significant results on the primary endpoint of reducing worst itch intensity as well as the secondary endpoint of quality of life improvements. We also observed I.V. CR845 to have a favorable safety and tolerability profile in the trial. Based on the results of this trial, we intend to engage the FDA in a formal meeting to guide the structure of a potential Phase 3 pivotal trial. In addition, we intend to request breakthrough therapy designation and orphan drug status for I.V. CR845 for the treatment of uremic pruritus. If granted by the FDA, breakthrough designation could provide for expedited regulatory review of I.V. CR845 for the treatment of uremic pruritus, and orphan drug status could confer marketing exclusivity benefits. Subject to the feedback from the FDA, we intend to initiate a Phase 3 pivotal trial in uremic pruritus in the first half of 2016, which we believe would be sufficient, if the results of the trial are positive, to support an NDA.

We commenced operations in 2004, and our primary activities to date have been organizing and staffing our company, developing our product candidates, including conducting preclinical studies and clinical trials of CR845-based product candidates and raising capital. To date, we have financed our operations primarily through sales of our equity and debt securities and payments from license agreements. We have no products currently available for sale, and substantially all of our revenue to date has been revenue from license agreements, although we have received nominal amounts of revenue under research grants.

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Since our inception and through June 30, 2015, we have received net proceeds of $56.3 million from the sale of 5.75 million shares of our common stock in our initial public offering (“IPO”), after deducting underwriting discounts and commissions and offering expenses, net proceeds of $65.9 million from the sale of various series of convertible preferred stock, $3.6 million from the issuance of convertible promissory notes and $3.8 million from the issuance of long-term debt. On August 4, 2015, we completed a follow-on public offering of 4,327,956 shares of common stock, including 564,516 shares sold pursuant to the full exercise by the underwriters of their option to buy additional shares, receiving net proceeds of approximately $75.1 million, after deducting the underwriting discounts and commissions and estimated offering expenses payable by us. (see Note 11, Subsequent Event, of Notes to Condensed Financial Statements elsewhere in this Quarterly Report on Form 10-Q).

In addition to our financing activities, we have received aggregate payments of $30.1 million pursuant to license agreements related to CR845 and an earlier product candidate for which development efforts ceased in 2007. Included in those aforementioned payments pursuant to license agreements, in April 2013, we received $15.0 million as an upfront payment, and in August 2014, we received an additional $0.5 million related to achievement of a milestone in connection with the license of rights to CR845 in Japan to Maruishi Pharmaceutical Co., Ltd., (“Maruishi”). In 2012, we received aggregate upfront and milestone payments of $1.2 million pursuant to a license agreement with Chong Kun Dang Pharmaceutical Corporation (“CKD”), in connection with the license of rights to CR845 in South Korea.

Since inception, we have incurred significant operating and net losses. Our net losses were $10.4 million and $7.0 million for the six months ended June 30, 2015 and 2014, respectively. As of June 30, 2015, we had an accumulated deficit of $90.6 million. We expect to continue to incur significant expenses and operating and net losses over at least the next several years. Our net losses may fluctuate significantly from quarter to quarter and year to year, depending on the timing of our clinical trials, the receipt of additional milestone payments, if any, under our collaborations with Maruishi and CKD, the receipt of payments under any future collaborations we may enter into, and our expenditures on other research and development activities.

We anticipate that our expenses will increase substantially as we:

• initiate our planned Phase 3 clinical trials of I.V. CR845;

• continue the development of our I.V. CR845 uremic pruritus product candidate;

• continue the research and development of our Oral CR845 and other product candidates;

• seek regulatory approvals for I.V. CR845 and any product candidates that successfully complete clinical trials;

• establish a sales, marketing and distribution infrastructure and scale up external manufacturing capabilities to commercialize any products for which we may obtain regulatory approval;

• maintain, expand and protect our global intellectual property portfolio;

• hire additional clinical, quality control and scientific personnel; and

• add operational, financial and management information systems and personnel, including personnel to support our drug development and potential future commercialization efforts.

Components of Operating Results

Revenue

To date, we have not generated any revenue from product sales and do not expect to generate any revenue from the sale of products in the near future. Substantially all of our revenue recognized to date has been generated by upfront payments under license agreements with Maruishi and CKD for CR845, a portion of which was deferred upon receipt, as well as license agreements for CR665, our first generation drug program for which development efforts have ceased. However, we have not received any significant clinical development or regulatory milestone payments, or any royalties, under these collaborations.

Research and Development

To date, our research and development expenses have related primarily to the development of CR845. Research and development expenses consist of expenses incurred in performing research and development activities, including compensation and benefits for full-time research and development employees, facilities expenses, including laboratory build-out costs, overhead expenses, cost of laboratory supplies, clinical trial and related clinical manufacturing expenses, third-party formulation expenses, fees paid to contract research organizations, or CROs, and other consultants, stock-based compensation for research and

16

development employees and non-employee consultants and other outside expenses. Our research and development expenses also include expenses related to preclinical activities, such as drug discovery, target validation and lead optimization for CR845 and our other, earlier stage programs.

Research and development costs are expensed as incurred. Non-refundable advance payments for goods or services to be received in the future for use in research and development activities are deferred and capitalized. The capitalized amounts are expensed as the related goods are delivered or the services are performed. Most of our research and development costs have been external costs, which we track on a program-by program basis. Our internal research and development costs are primarily compensation expenses for our full-time research and development employees. We do not track internal research and development costs on a program-by-program basis.

Research and development activities are central to our business model. Product candidates in later stages of clinical development generally have higher development costs than those in earlier stages of clinical development, primarily due to the increased size and duration of later-stage clinical trials. We expect our research and development expenses to increase significantly over the next several years as we seek to progress I.V. CR845 through Phase 3 trials in acute pain and uremic pruritus and the FDA approval process, and as we increase our development efforts for Oral CR845. However, it is difficult to determine with certainty the duration and completion costs of our current or future preclinical programs and clinical trials of our product candidates, or if, when or to what extent we will generate revenues from the commercialization and sale of any of our product candidates that obtain regulatory approval. We may never succeed in achieving regulatory approval for any of our product candidates.

The duration, costs and timing of clinical trials and development of our product candidates will depend on a variety of factors including:

• per patient trial costs;

• the number of patients that participate in the trials;

• the number of sites included in the trials;

• the countries in which the trial is conducted;

• the length of time required to enroll eligible patients;

• the number of doses that patients receive;

• the drop-out or discontinuation rates of patients;

• potential additional safety monitoring or other studies requested by regulatory agencies;

• the duration of patient follow-up; and

• the efficacy and safety profile of the product candidate.

In addition, the probability of success for each product candidate will depend on numerous factors, including: competition, manufacturing capability and commercial viability. We will determine which programs to pursue and how much to fund each program in response to the scientific and clinical success of each product candidate, as well as an assessment of each product candidate’s commercial potential.

General and Administrative

General and administrative expenses consist primarily of salaries and other related costs, including stock-based compensation, for personnel in executive, finance, accounting, business development and human resources functions. Other significant costs include facility costs not otherwise included in research and development expenses, legal fees, patent costs and fees for accounting and consulting services.

We anticipate that our general and administrative expenses will increase in the future to support our continued research and development activities and potential commercialization of our product candidates. These increases will likely include increased costs related to the hiring of additional personnel, fees to outside consultants, lawyers and accountants, and investor relations costs. In addition, if I.V. CR845 or any future product candidate obtains regulatory approval for marketing, we expect to incur expenses associated with building a sales and marketing team.

Interest Income

Interest income consists of income earned on our cash and cash equivalents.

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Benefit from Income Taxes

The benefit from income taxes relates to state research and development tax credits exchanged for cash pursuant to the Connecticut Research and Development Tax Credit Exchange Program, which permits qualified small businesses engaged in research and development activities within Connecticut to exchange their unused research and development tax credits for a cash amount equal to 65% of the value of the exchanged credits.

Results of Operations

Comparison of the Three and Six Months Ended June 30, 2015 and 2014

Revenue

	Three Months Ended June 30,							Six Months Ended June 30,
	2015		2014		% change			2015		2014		% change
	Amounts in thousands							Amounts in thousands
License and milestone fees revenue	$	—	$	302		-100	%	$	—	$	302		-100	%
Collaborative revenue		874		526		66	%		1,363		677		101	%
Clinical compound revenue		—		132		-100	%		—		159		-100	%
Total revenue	$	874	$	960		-9	%	$	1,363	$	1,138		20	%

License and milestone fee revenue

License and milestone fees revenue for the three and six months ended June 30, 2014 of $302 thousand represents the portion of the $480 thousand milestone achieved under the license agreement with Maruishi, which was attributable to a previously delivered license.

Collaborative revenue

Collaborative revenue for the three months ended June 30, 2015 and 2014 of $874 thousand and $526 thousand, respectively, and for the six months ended June 30, 2015 and 2014 of $1.4 million and $677 thousand, respectively, consists of revenue that had been deferred upon entry into the license agreement with Maruishi.

Clinical compound revenue

Clinical compound revenue for the three and six months ended June 30, 2014 consists of $132 thousand and $159 thousand, respectively, from the sale of clinical compound to Maruishi.

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Research and Development Expense

	Three Months Ended June 30,							Six Months Ended June 30,
	2015		2014		% change			2015		2014		% change
	Amounts in thousands							Amounts in thousands
Direct preclinical studies and clinical trial costs	$	2,981	$	1,939		54	%	$	4,808	$	3,336		44	%
Consultant services in support of preclinical studies and clinical trials		193		320		-40	%		355		436		-19	%
Stock-based compensation		280		159		77	%		478		231		107	%
Depreciation and amortization		104		106		-2	%		208		212		-2	%
Other R&D operating expenses		1,126		676		67	%		2,220		1,186		87	%
Total R&D expense	$	4,684	$	3,200		46	%	$	8,069	$	5,401		49	%

For the three months ended June 30, 2015 compared to the three months ended June 30, 2014, the net increase in direct preclinical studies and clinical trial costs and related consultant costs primarily resulted from increases totaling $1.8 million for the Phase 2 I.V. CR845 uremic pruritus trial, the HAL study, preparation for the I.V. CR845 adaptive design trial and preparation for the Phase 2 Oral CR845 trial in patients with osteoarthritis. Those increases in costs were partially offset by a decrease of $650 thousand in connection with the Phase 1 Oral CR845 trial. The increase in stock-based compensation expense during the three months ended June 30, 2015 reflects higher expense related to additional grants to more employees than in the same period in 2014. The increase in other R&D operating expenses was primarily the result of a net increase of payroll and related costs associated with R&D personnel and recruiting costs.

For the six months ended June 30, 2015 compared to the six months ended June 30, 2014, the net increase in direct preclinical studies and clinical trial costs and related consultant costs primarily resulted from increases totaling $2.4 million for the Phase 2 I.V. CR845 uremic pruritus trial, the HAL trial, preparation for the I.V. CR845 adaptive design trial and preparation for the Phase 2 Oral CR845 trial in patients with osteoarthritis. Those increases in costs were partially offset by a decrease of $650 thousand in connection with the Phase 1 Oral CR845 trial. The increase in stock-based compensation expense during the six months ended June 30, 2015 reflects higher expense related to additional grants to more employees than in the same period in 2014. The increase in other R&D operating expenses was primarily the result of an increase of payroll and related costs associated with R&D personnel.

The following table summarizes our research and development expenses by product candidate for the three and six months ended June 30, 2015 and 2014:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
	Amounts in thousands				Amounts in thousands
External research and development expenses:
I.V. CR845	$	2,577	$	1,053	$	4,322	$	2,093
Oral CR845		597		1,193		841		1,678
Internal research and development expenses		1,510		954		2,906		1,630
Total research and development expenses	$	4,684	$	3,200	$	8,069	$	5,401

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General and Administrative Expenses

	Three Months Ended June 30,							Six Months Ended June 30,
	2015		2014		% change			2015		2014		% change
	Amounts in thousands							Amounts in thousands
Professional fees and public/investor relations	$	493	$	373		32	%	$	969	$	801		21	%
Stock-based compensation		420		297		42	%		668		578		15	%
Depreciation and amortization		89		90		-1	%		179		181		-1	%
Other G&A operating expenses		920		712		29	%		1,928		1,310		47	%
Total G&A expense	$	1,922	$	1,472		31	%	$	3,744	$	2,870		30	%

For the three months ended June 30, 2015 compared to the three months ended June 30, 2014, the increase in professional fees and public/investor relations costs primarily included increases in public/investor relations costs and in legal fees. The increase in stock-based compensation expense primarily reflects higher expense related to additional grants to more employees than in the same period in 2014. The increase in other G&A operating expenses primarily includes an increase in payroll and related costs in connection with increased headcount.

For the six months ended June 30, 2015 compared to the six months ended June 30, 2014, the increase in professional fees and public/investor relations costs primarily included increases in public/investor relations costs, in legal fees and in accounting and auditing fees. Those increases were partially offset by a decrease in consultant fees. The increase in stock-based compensation expense primarily reflects higher expense related to additional grants to more employees than in the same period in 2014. The increase in other G&A operating expenses primarily included increases in payroll and related costs, in connection with increased headcount, and in insurance costs.

Interest Income

Three Months Ended June 30,							Six Months Ended June 30,
2015		2014		% change			2015		2014		% change
Amounts in thousands							Amounts in thousands
$	13	$	56		-77	%	$	27	$	78		-65	%

During the three months ended June 30, 2015 compared to the three months ended June 30, 2014, and during the six months ended June 30, 2015 compared to the six months ended June 30, 2014, the respective decreases in interest income were primarily due to lower average balances of cash and cash equivalents during the 2015 periods.

Benefit from Income Taxes

For the three months ended June 30, 2015 and 2014, pre-tax losses were $5.7 million and $3.7 million, respectively, and we recognized a benefit from income taxes of $35 thousand and $11 thousand, respectively.

For the six months ended June 30, 2015 and 2014, pre-tax losses were $10.4 million and $7.1 million, respectively, and we recognized a benefit from income taxes of $50 thousand and $27 thousand, respectively.

The benefit from income taxes relates to state research and development tax credits exchanged for cash pursuant to the Connecticut Research and Development Tax Credit Exchange Program, as discussed above. We recognized a full valuation allowance against net deferred tax assets at June 30, 2015 and December 31, 2014.

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Liquidity and Capital Resources

Sources of Liquidity

Since our inception and through June 30, 2015, we have raised an aggregate of approximately $160 million to fund our operations, including proceeds of $56.3 million, net of underwriting discounts and commissions and offering expenses, from our IPO, which closed in February 2014, $30.1 million received under our license agreements, primarily with Maruishi and CKD, and an earlier product candidate for which development efforts ceased in 2007, $65.9 million of proceeds from the sale of shares of our convertible preferred stock and $7.4 million of net proceeds from debt financings. As of June 30, 2015, we had unrestricted cash and cash equivalents of $43.2 million, which we expect will be sufficient to fund our planned operating expenses and capital expenditure requirements for the next 12 months, without giving effect to any potential milestone payments we may receive under our collaboration agreements.

In order to fund future operations, including clinical trials, we filed a shelf registration statement on Form S-3 (File No. 333-203072), which the SEC declared effective on May 13, 2015. The shelf registration statement provides for the offering of up to $150 million of common stock, preferred stock, debt securities, warrants or any combination thereof. We may offer the securities under our shelf registration statement from time to time in response to market conditions or other circumstances if we believe such a plan of financing is in the best interests of our stockholders. We believe that the shelf registration statement provides us with the flexibility to raise additional capital to finance our operations as needed.

On August 4, 2015, we completed a follow-on public offering of 4,327,956 shares of our common stock including 564,516 shares sold pursuant to the full exercise by the underwriters of their option to buy additional shares, pursuant to the shelf registration statement and a related prospectus supplement dated July 29, 2015, filed with the SEC on July 30, 2015. We received net proceeds from the offering of approximately $75.1 million, after deducting the underwriting discounts and commissions and estimated offering expenses payable by us.

In addition to our existing cash and cash equivalents, under our agreement with Maruishi, we are potentially eligible to earn up to an aggregate of $6.0 million in clinical development milestones and $4.5 million in regulatory milestones as well as tiered royalties, with percentages ranging from the low double digits to the low twenties, based on net sales of products containing CR845 in Japan, if any, and share in any sub-license fees. During the second quarter of 2014, Maruishi completed a Phase 1 clinical trial in Japan related to CR845 in acute post-operative pain for which we received a clinical development milestone payment of $0.5 million during the third quarter of 2014. The next potential milestone that we could be entitled to receive under the Maruishi license agreement will be a clinical development milestone for initiation of a Phase 1 clinical trial in Japan for a certain indication. If achieved, this milestone will result in a $2.0 million payment being due to us.

Under our agreement with CKD, we are potentially eligible to earn up to an aggregate of $2.3 million in clinical development milestones and $1.5 million in regulatory milestones as well as tiered royalties with percentages ranging from the high single digits to the high teens, based on net sales of products containing CR845 in South Korea, if any, and share in any sub-license fees. The next two potential milestones that we could be entitled to receive under the CKD license agreement will be clinical development milestones for completion of a Phase 1b Oral CR845 trial and a Phase 2 CR845 trial both in the U.S. for a certain indication. If achieved, these milestones will result in payments totaling $750 thousand being due to us.

Our ability to earn these payments and their timing is dependent upon the outcome of I.V. and Oral CR845 development activities and, potentially, commercialization. However, our receipt of any further such amounts is uncertain at this time and we may never receive any more of these amounts.

Funding Requirements

Our primary uses of capital have been, and we expect will continue to be, compensation and related expenses, third-party clinical research and development services, laboratory and related supplies, clinical costs, legal and other regulatory expenses and general overhead costs.

The successful development of any of our product candidates is highly uncertain. As such, at this time, we cannot reasonably estimate or know the nature, timing and costs of the efforts that will be necessary to complete the development of I.V. CR845, Oral CR845 or our other current and future product candidates. We are also unable to predict when, if ever, we will generate any further

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material net cash inflows from CR845. This is due to the numerous risks and uncertainties associated with developing medicines, including the uncertainty of:

• successful enrollment in, and completion of clinical trials;

• receipt of marketing approvals from applicable regulatory authorities;

• establishing commercial manufacturing capabilities or making arrangements with third-party manufacturers;

• obtaining and maintaining patent and trade secret protection and regulatory exclusivity for our product candidates;

• launching commercial sales of the products, if and when approved, whether alone or in collaboration with others;

• achieving meaningful penetration in the markets which we seek to serve; and

• obtaining adequate coverage or reimbursement by third parties, such as commercial payers and government healthcare programs, including Medicare and Medicaid.

A change in the outcome of any of these variables with respect to the development of I.V. CR845, Oral CR845 or any of our future product candidates would significantly change the costs and timing associated with the development of that product candidate.

Because our product candidates are still in the early stages of clinical and preclinical development and the outcome of these efforts is uncertain, we cannot estimate the actual amounts necessary to successfully complete the development and commercialization of our product candidates or whether, or when, we may achieve profitability. Until such time, if ever, as we can generate substantial product revenues, we expect to finance our cash needs through a combination of equity or debt financings and collaboration arrangements, including our existing collaboration agreements with Maruishi and CKD.

We will require additional capital beyond our currently anticipated amounts, including the proceeds from our secondary financing, as described above, and this additional capital may not be available when needed, on reasonable terms, or at all. In particular, because we do not have sufficient financial resources to meet all of our development objectives, especially the completion of our planned development of Oral CR845, we will need to raise additional capital. If we are not able to do so, we could be required to postpone, scale back or eliminate some, or all, of these objectives. To the extent that we raise additional capital through the future sale of equity or convertible debt, the ownership interest of our stockholders will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect the rights of our existing common stockholders. If we raise additional funds through the issuance of debt securities, these securities could contain covenants that would restrict our operations. If we raise additional funds through collaboration arrangements in the future, we may have to relinquish valuable rights to our technologies, future revenue streams or product candidates or grant licenses on terms that may not be favorable to us. If we are unable to raise additional funds through equity or debt financings when needed, we may be required to delay, limit, reduce or terminate our drug development or future commercialization efforts or grant rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves.

Outlook

Based on our current research and development plans and our timing expectations related to the progress of our programs, we expect that our existing cash and cash equivalents as of June 30, 2015, together with the net proceeds from our follow-on offering completed on August 4, 2015, will be sufficient for us to fund our operating expenses and capital expenditure requirements through the end of 2017, without giving effect to any potential milestone payments we may receive under our collaboration agreements. Because the process of testing product candidates in clinical trials is costly and the timing of progress in these trials is uncertain, it is possible that the assumptions upon which we have based this estimate may prove to be wrong, and we could use our capital resources sooner than we presently expect.

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Cash Flows

The following is a summary of the net cash flows provided by (used in) our operating, investing and financing activities for the six months ended June 30, 2015 and 2014:

	Six Months Ended June 30,
	2015			2014
Net cash used in operating activities	$	(9,495	)	$	(7,330	)
Net cash used in investing activities		(12	)		(6	)
Net cash provided by financing activities		35			57,791
Net (decrease) increase in cash and cash equivalents	$	(9,472	)	$	50,455

Net cash used in operating activities

Net cash used in operating activities for the six months ended June 30, 2015 consisted primarily of a net loss of $10.4 million and a $0.5 million outflow from net changes in operating assets and liabilities, partially offset by $1.4 million cash inflow from net non-cash charges. The net change in operating assets and liabilities primarily consisted of cash outflows of $0.3 million from an increase in prepaid expenses and other current assets, primarily related to an increase in prepaid insurance, and $1.4 million from a decrease in deferred revenue from the Maruishi license transaction. Those cash outflows were partially offset by a cash inflow of $1.2 million from an increase in accounts payable and accrued expenses. Net non-cash charges primarily consisted of depreciation and amortization expense of $0.4 million and stock-based compensation expense of $1.1 million, partially offset by deferred rent costs of $0.1 million.

Net cash used in operating activities for the six months ended June 30, 2014 consisted primarily of a net loss of $7.0 million, and a $1.4 million cash outflow from net changes in operating assets and liabilities, partially offset by $1.1 million of net non-cash charges. The net change in operating assets and liabilities mostly consisted of cash outflows of $0.6 million of prepaid expenses and other current assets, primarily related to prepaid insurance and prepaid clinical costs, $0.4 million of deferred revenue from the Maruishi license transaction and $0.5 million of other receivables, comprising the milestone earned in June 2014 under the license agreement with Maruishi. Those cash outflows were partially offset by a cash inflow of $0.1 million from an increase in accounts payable and accrued expenses. Net non-cash charges primarily consisted of depreciation and amortization expense of $0.4 million and stock-based compensation expense of $0.8 million, partially offset by deferred rent costs of $0.1 million.

Net cash used in investing activities

Net cash used in investing activities was $12 thousand and $6 thousand for the six months ended June 30, 2015 and 2014, respectively, related to the purchase of office and computer equipment.

Net cash provided by financing activities

Net cash provided by financing activities for the six months ended June 30, 2015 consisted primarily of proceeds of $35 thousand received from the exercise of stock options.

Net cash provided by financing activities for the six months ended June 30, 2014 consisted primarily of gross proceeds of $63.2 million from our initial public offering, partially offset by $5.4 million of underwriting discounts and commissions and offering expenses paid during the six months ended June 30, 2014.

Significant Contractual Obligations and Commitments

Contractual obligations and commitments as of June 30, 2015 consisted of operating lease obligations in connection with our operating facility in Shelton, Connecticut. See Note 10 of Notes to Condensed Financial Statements in this Quarterly Report on Form 10-Q.

Recent Accounting Pronouncements

Please refer to Note 2 of Notes to Condensed Financial Statements in this Quarterly Report on Form 10-Q.

Off-Balance Sheet Arrangements

We did not have during the periods presented in our condensed financial statements included in this report, and we do not currently have, any off-balance sheet arrangements, as defined under SEC rules.

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Discussion of Critical Accounting Policies

The preparation of financial statements in conformity with GAAP requires us to use judgment in making certain estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities and the reported amounts of revenues and expenses in our condensed financial statements and accompanying notes. Critical accounting policies are those that are most important to the portrayal of our financial condition and results of operations and require difficult, subjective and complex judgments by management in order to make estimates about the effect of matters that are inherently uncertain. During the six months ended June 30, 2015, there were no significant changes to our critical accounting policies from those described in our Annual Report on Form 10-K for the year ended December 31, 2014.

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

The market risk inherent in our financial instruments and in our financial position represents the potential loss arising from adverse changes in interest rates. As of June 30, 2015 and December 31, 2014, we had cash and cash equivalents of $43.2 million and $52.7 million, respectively. We generally hold our cash equivalents in interest-bearing money market savings accounts. Our primary exposure to market risk is interest rate sensitivity, which is affected by changes in the general level of U.S. interest rates. Due to the short-term maturities of our cash equivalents and the low risk profile of our investments, an immediate 100 basis point change in interest rates would not have a material effect on the fair market value of our cash equivalents.

Item 4. Controls and Procedures.

(a) Disclosure Controls and Procedures.

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of our disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of June 30, 2015. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost benefit relationship of possible controls and procedures. Based on such evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that, as of June 30, 2015, our disclosure controls and procedures were effective.

(b) Changes in Internal Control Over Financial Reporting

There was no change in our internal control over financial reporting identified in connection with the evaluation required by Rule 13a-15(f) and 15d-15(f) of the Exchange Act that occurred during the quarter ended June 30, 2015 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II

OTHER INFORMATION

Item 1. Legal Proceedings

From time to time, we are subject to litigation and claims arising in the ordinary course of business. We are not currently a party to any material legal proceedings and we are not aware of any pending or threatened legal proceedings against us that we believe could have a material adverse effect on our business, operating results or financial condition.

Item 1A. Risk Factors.

Please refer to Item 1A. Risk Factors in our Annual Report on Form 10-K for the year ended December 31, 2014, filed with the SEC on March 27, 2015, for a description of certain significant risks and uncertainties to which our business, operations and financial condition are subject. During the six months ended June 30, 2015, we did not identify any additional risk factors or any material changes to the risk factors discussed in the Annual Report on Form 10-K for the year ended December 31, 2014, except as follows:

We may seek breakthrough therapy designation for I.V. CR845 for uremic pruritus, but even if it is granted, it may not lead to a faster development or regulatory review or approval process, and it would not increase the likelihood that I.V. CR845 will receive marketing approval.

We may seek a breakthrough therapy designation for I.V. CR845 for uremic pruritus. A breakthrough therapy is defined as a drug that is intended, alone or in combination with one or more other drugs, to treat a serious or life-threatening disease or condition, and preliminary clinical evidence indicates that the drug may demonstrate substantial improvement over existing therapies on one or more clinically significant endpoints, such as substantial treatment effects observed early in clinical development. For drugs that have been designated as breakthrough therapies, interaction and communication between the FDA and the sponsor of the trial can help to identify the most efficient path for clinical development while minimizing the number of patients placed in ineffective control regimens. Drugs designated as breakthrough therapies by the FDA may also be eligible for accelerated approval if the relevant criteria are met.

Designation as a breakthrough therapy is within the discretion of the FDA. Accordingly, even if we believe I.V. CR845 meets the criteria for designation as a breakthrough therapy, the FDA may disagree and instead determine not to make such designation. In any event, the receipt of a breakthrough therapy designation for a product candidate may not result in a faster development process, review or approval compared to drugs considered for approval under conventional FDA procedures and does not assure ultimate approval by the FDA. In addition, even if I.V. CR845 qualifies as a breakthrough therapy, the FDA may later decide that it no longer meets the conditions for qualification or decide that the time period for FDA review or approval will not be shortened.

We may seek orphan drug status for I.V. CR845 for uremic pruritus, but even if it is granted, we may be unable to maintain any benefits associated with orphan drug status, including market exclusivity.

Under the Orphan Drug Act, the FDA may grant orphan designation to a drug or biologic intended to treat a rare disease or condition which is generally defined as a patient population of fewer than 200,000 individuals annually in the United States, or for which there is no reasonable expectation that the cost of developing and making available in the United States a drug or biologic for a disease or condition will be recovered from sales in the United States for that drug or biologic. If a product that has orphan drug designation subsequently receives the first FDA approval for the disease for which it has such designation, the product is entitled to orphan product exclusivity, which means that the FDA may not approve any other applications to market the same drug or biologic for the same indication for seven years, except in limited circumstances, such as a showing of clinical superiority to the product with orphan drug exclusivity.

We may seek orphan drug status for I.V. CR845 for the treatment of uremic pruritus, although the FDA could decide not to grant orphan drug status, including if it were to determine that the uremic pruritus patient population in the United States exceeds 200,000. Moreover, exclusive marketing rights in the United States may be limited if we seek approval for an indication broader than the orphan designated indication and may be lost if the FDA later determines that the request for designation was materially defective or if the manufacturer is unable to assure sufficient quantities of the product to meet the needs of patients with the rare disease or condition.

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Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

Use of IPO Proceeds

On January 30, 2014, our registration statement on Form S-1 (File No 333-192230) was declared effective by the SEC for our initial public offering, pursuant to which we registered the offering and sale of 5,750,000 shares of common stock, $0.001 par value per share (including 750,000 shares issued upon the underwriters’ exercise of an option to purchase additional shares) at a public offering price of $11.00 per share for an aggregate public offering price of $63.2 million.

As a result of the initial public offering, we received net proceeds on February 5, 2014 of approximately $58.8 million, after deducting approximately $4.4 million of underwriting discounts and commissions but before giving effect to any offering expenses borne by us. In addition, we have paid approximately an additional $2.5 million of offering expenses in connection with the IPO. None of such payments were direct or indirect payments to any of (i) our directors or officers or their associates, (ii) persons owning 10 percent or more of our common stock, or (iii) our affiliates.

There has been no material change in the planned use of proceeds from our initial public offering from that described in the final prospectus related to the offering, which we filed with the SEC on February 3, 2014. As of June 30, 2015, we have used approximately $15.3 million of the funds received from our IPO for clinical trials and payments to research and development consultants.

Item 3. Defaults upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

Not applicable.

Item 5. Other Information.

None.

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Item 6. Exhibits.

Exhibit No.	Description of Exhibit
3.1	Amended and Restated Certificate of Incorporation (1)
3.2	Amended and Restated Bylaws (2)
10.1 +	Services Agreement dated July 2, 2004 between the Registrant and Bio Diligence Partners, Inc., as amended to date
31.1	Certification of Chief Executive Officer of Cara Therapeutics, Inc. pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934
31.2	Certification of Chief Financial Officer of Cara Therapeutics, Inc. pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934
32.1*	Certifications of Chief Executive Officer and Chief Financial Officer of Cara Therapeutics, Inc. pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101	Interactive Data File
101.CAL	XBRL Taxonomy Extension Calculation Linkbase.
101.INS	XBRL Instance Document.
101.LAB	XBRL Taxonomy Extension Label Linkbase.
101.PRE	XBRL Taxonomy Extension Presentation Linkbase.
101.SCH	XBRL Taxonomy Extension Schema Linkbase.
101.DEF	XBRL Definition Linkbase Document.

+ Indicates management contract or compensatory plan.

(1) Filed as exhibit 3.1 to the Registrant’s Current Report on Form 8-K (File No. 001-36279) filed with the Securities and Exchange Commission on February 7, 2014 and incorporated herein by reference.

(2) Filed as exhibit 3.2 to the Registrant’s Current Report on Form 8-K (File No. 001-36279) filed with the Securities and Exchange Commission on February 7, 2014 and incorporated herein by reference.

* These certifications are being furnished solely to accompany this quarterly report pursuant to 18 U.S.C. Section 1350, and are not being filed for purposes of Section 18 of the Securities Exchange Act of 1934 and are not to be incorporated by reference into any filing of the registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	CARA THERAPEUTICS, INC.
Date: August 10, 2015	By	/s/ Derek Chalmers
		Derek Chalmers, Ph.D., D.Sc.
		President and Chief Executive Officer (Principal Executive Officer)
Date: August 10, 2015	By	/s/ Josef Schoell
		Josef Schoell
		Chief Financial Officer (Principal Financial and Accounting Officer)

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EX-10.1

Exhibit 10.1

SERVICES AGREEMENT

THIS SERVICES AGREEMENT (“Agreement”), is entered into as of July 2, 2004, by and between CARA THERAPEUTICS, INC., a Delaware corporation (“Cara”), and BIO DILIGENCE PARTNERS, INC., a Pennsylvania corporation (“Consultant”).

WHEREAS, Cara wishes to obtain the services of Consultant for certain purposes, and Consultant wishes to provide such services, all subject to the terms and condition of this Agreement.

NOW, THEREFORE, in consideration of the mutual promises hereinafter set forth, and intending to be legally bound hereby, Cara and Consultant hereby agree as follows:

1. Services to be Provided. During the term of this Agreement, Consultant shall perform for Cara the services described on Exhibit A attached hereto and made a part hereof (the “Services”).

2. Term. The initial term of this Agreement shall begin, on July 2, 2004 and shall continue until July 1, 2005 unless terminated prior thereto pursuant to paragraph 5 below. This Agreement may be renewed upon mutual agreement of the parties in writing.

3. Compensation; Benefits.

(a) As compensation for providing services hereunder, Cara shall pay Consultant the amounts specified in Exhibit A attached hereto, in accordance with the schedule set forth on Exhibit A. In addition, Cara shall reimburse Consultant for out-of-pocket travel, costs of attendance at professional meetings, hotel and meal expenses reasonably incurred by Consultant provided that the travel was approved in advance by Cara and the expenses are incurred in accordance with Cara’s reimbursement policies.

(b) No employee of Consultant shall be deemed an employee of Cara and therefore will not be entitled to participate in or receive any benefit or right as a Cara employee under any Cara employee benefit and welfare plans, including, without limitation, employee insurance, pension, savings and security plans as a result of his/her entering into this Agreement. However, following the establishment of Cara’s group health insurance plan, Cara will reimburse Consultant for 70% of the cost of the health insurance policy currently in place for Dr. Michael Lewis at Consultant.

4. Confidential Information, Invention Assignment and Arbitration Agreement. Consultant shall execute a Confidential Information, Invention Assignment, and Arbitration Agreement as of this date in the form and substance attached hereto as Exhibit B.

5. Termination. Notwithstanding the provisions of paragraph 2, Cara or Consultant may unilaterally terminate this Agreement for any reason whatsoever, upon thirty (30) days written notice to the other party to this Agreement.

6. Return of Cara Property. Consultant will return to Cara any property of Cara in its possession, at any time when as requested by Cara and in any event upon termination of this Agreement. Consultant will not remove any Cara property from Cara premises without written authorization from Cara.

7. No Conflicting Agreements. Consultant represents that it is not a party to any existing agreement which would prevent it from entering into and performing this Agreement. Consultant will not enter into any other agreement that is in conflict with its obligations under this Agreement.

8. Independent Contractor. Consultant is an independent contractor under this Agreement. Neither party shall have the power to bind the other party to any agreement, contract, obligation or liability. Consultant shall be responsible for all taxes as an independent Consultant.

1

9. Entire Agreement, Amendment and Assignment. This Agreement is the sole agreement between Consultant and Cara with respect to the Services to be performed hereunder (except for the Confidential Information, Invention Assignment, and Arbitration Agreement attached hereto as Exhibit B) and it supersedes all prior agreements and understandings with respect thereto, whether oral or written. No modification to any provision of this Agreement shall be binding unless in writing and signed by both Consultant and the President of Cara. All of the terms and provisions of this Agreement shall be binding upon and inure to the benefit of and be enforceable by the respective heirs, executors, administrators, legal representatives, successors and assigns of the parties hereto, except that the duties and responsibilities of Consultant hereunder are of a personal nature and shall not be assignable or delegable in whole or in part by Consultant.

10. Governing Law. This Agreement shall be governed by and interpreted in accordance with laws of the State of New York, without giving effect to any conflict of laws provisions.

11. Notices. All notices and other communications required or permitted hereunder or necessary or convenient in connection herewith shall be in writing and shall be deemed to have been given when hand delivered, sent by facsimile or mailed by registered or certified mail, as follows (provided that notice of change of address shall be deemed given only when received):

If to Cara, to:	Cara Therapeutics, Inc. 34 Spruce Street Riverside, CT 06878 Attention: Derek Chalmers Facsimile No.: (801) 504-4879
With a copy to:	Pillsbury Winthrop LLP 1540 Broadway New York, NY 10036 Att: Babak Yaghmaie Facsimile No.: (212) 858-1500
If to Consultant, to:	Bio Diligence Partners, Inc.
	438 Ground Hog College Road
	West Chester, PA 19382
	Attention: Dr. Michael Lewis
	Facsimile No.: (610) 793-2132

or to such other names or addresses as Cara or Consultant, as the case may be, shall designate by notice to each other person entitled to receive notices in the manner specified in this paragraph.

12. Counterparts. This Agreement shall become binding when any one or more counterparts hereof, individually or taken together, shall bear the signatures of Consultant and Cara. This Agreement may be executed in two or more counterparts, each of which shall be deemed to be an original as against any party whose signature appears thereon, but all of which together shall constitute but one and the same instrument.

13. Severability. If any provision of this Agreement or application thereof to anyone or under any circumstances is adjudicated to be invalid or unenforceable in any jurisdiction, such invalidity or unenforceability shall not affect any other provision or application of this Agreement which can be given effect without the invalid or unenforceable provision or application and shall not invalidate or render unenforceable such provision or application in any other jurisdiction.

14. Employer Identification Number. Consultant certifies that its Employer Identification Number is 23-2763430. Consultant acknowledges that Cara will rely upon the foregoing certification in filing certain documents and instruments required by law in connection with this Agreement including, without limitation, Form 1099 under the Internal Revenue Code of 1986, as amended (or any successor form).

2

IN WITNESS WHEREOF, the undersigned, intending to be legally bound, have duly executed this Agreement as of the date first above written.

CARA THERAPEUTICS, INC.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President
BIO DILIGENCE PARTNERS, INC.
By:	/s/ Michael Lewis
Name:	Dr. Michael Lewis
Title:	President

3

Exhibit A

Description of Consulting Services and Compensation

Scope of Services:

Consultant shall cause Dr. Michael Lewis to commit at least 70% of his available work time to providing consulting services to Cara. Such services shall consist of any duties reasonably requested by Cara in connection with its business. Services provided by Consultant to Cara pursuant to this Agreement shall be performed by Dr. Michael Lewis only, unless a substitute is otherwise approved by Cara’s board of directors.

Compensation:

Consultant’s compensation will consist of a payment of One Hundred Five Thousand Dollars ($105,000) per year, payable in accordance with the Company’s payroll practices commencing July 1, 2004 (the “Effective Date”). Consultant shall also be eligible, at the discretion of the Board of Directors, to receive an annual bonus. Consultant hereby agrees to defer receipt of any compensation from Cara for services rendered until the completion of the Cara’s equity financing and that upon completion of such financing, notwithstanding anything to the contrary set forth herein, Consultant shall only be entitled to a payment equal to two (2) months of compensation for providing services to the Company from the Effective Date until the completion of such financing.

Michael Lewis

Bio Diligence Partners Inc.

This letter shall serve as an amendment to the Services Agreement dated July 2, 2004. It is hereby agreed to extend the Agreement from July 1, 2005 to July 1, 2007. Compensation described in Exhibit A of the Agreement is increased to $122,500.00 per annum effective October 1, 2005 and paid on a monthly basis. The reimbursement for 70% of the health insurance cost for consultant shall begin January 1, 2006, paid quarterly.

All other sections of the Agreement continue as written.

Cara Therapeutics, Inc.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President & CEO
Bio Diligence Partners, Inc.
By:	/s/ Michael Lewis
Name:	Dr. Michael Lewis
Title:	President

Michael Lewis

Bio Diligence Partners Inc.

This letter shall serve as a second amendment to the Services Agreement dated July 2, 2004. It is hereby agreed to extend the Agreement from July 1, 2007 to July 1, 2008. Compensation described in Exhibit A of the Agreement, as previously amended, will continue at the rate of $122,500.00 per annum and paid on a monthly basis. The reimbursement for 70% of the health insurance cost for consultant shall continue, paid quarterly.

All other sections of the Agreement continue as written.

Cara Therapeutics, Inc.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President & CEO
Bio Diligence Partners, Inc.
By:	/s/ Michael Lewis
Name:	Dr. Michael Lewis
Title:	President

Michael Lewis

Bio Diligence Partners Inc.

This letter shall serve as a third amendment to the Services Agreement dated July 2, 2004. It is hereby agreed to extend the Agreement from July 1, 2008 to July 1, 2009. Compensation described in Exhibit A of the Agreement, as previously amended, will be increased to a rate of $132,500.00 per annum and paid on a monthly basis beginning September 1, 2008. The reimbursement for 70% of the health insurance cost for consultant shall continue, paid quarterly.

All other sections of the Agreement continue as written.

Cara Therapeutics, Inc.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President & CEO
Bio Diligence Partners, Inc.
By:	/s/ Michael Lewis
Name:	Dr. Michael Lewis
Title:	President

July 27, 2009

Michael Lewis

Bio Diligence Partners Inc.

This letter shall serve as a fourth amendment to the Services Agreement dated July 2, 2004. It is hereby agreed to extend the Agreement from July 1, 2009 to July 1, 2010. Compensation described in Exhibit A of the Agreement, as previously amended, will continue at the rate of $132,000.00 per annum and paid on a monthly basis. The reimbursement for 70% of the health insurance cost for consultant shall continue, paid quarterly.

All other sections of the Agreement continue as written.

Cara Therapeutics, Inc.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President & CEO
Bio Diligence Partners, Inc.
By:	/s/ Michael Lewis
Name:	Dr. Michael Lewis
Title:	President

August 19, 2010

Michael Lewis

Bio Diligence Partners Inc.

This letter shall serve as a fifth amendment to the Services Agreement dated July 2, 2004. It is hereby agreed to extend the Agreement from July 1, 2010 to July 1, 2011. Compensation described in Exhibit A of the Agreement, as previously amended, will continue at the rate of $132,000.00 per annum and paid on a monthly basis. The reimbursement for 70% of the health insurance cost for consultant shall continue, paid quarterly.

All other sections of the Agreement continue as written.

Cara Therapeutics, Inc.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President & CEO
Bio Diligence Partners, Inc.
By:	/s/ Michael Lewis
Name:	Dr. Michael Lewis
Title:	President

April 1, 2011

Michael Lewis

Bio Diligence Partners Inc.

This letter shall serve as a sixth amendment to the Services Agreement dated July 2, 2004. It is hereby agreed to extend the Agreement from July 1, 2011 to July 1, 2012. Compensation described in Exhibit A of the Agreement, as previously amended, will be modified to the rate of $99,000.00 per annum and paid on a monthly basis beginning April 2011. The reimbursement for 70% of the health insurance cost for consultant shall continue, paid quarterly.

All other sections of the Agreement continue as written.

Cara Therapeutics, Inc.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President & CEO
Bio Diligence Partners, Inc.
By:	/s/ Michael Lewis
Name:	Dr. Michael Lewis
Title:	President

July 31, 2012

Michael Lewis

Bio Diligence Partners Inc.

This letter shall serve as a seventh amendment to the Services Agreement dated July 2, 2004. It is hereby agreed to extend the Agreement from July 1, 2012 to July 1, 2013. Compensation described in Exhibit A of the Agreement, as previously amended, will continue at the rate of $99,000.00 per annum and paid on a monthly basis. The reimbursement for 70% of the health insurance cost for consultant shall continue, paid quarterly.

All other sections of the Agreement continue as written.

Cara Therapeutics, Inc.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President & CEO
Bio Diligence Partners, Inc.
By:	/s/ Michael Lewis
Name:	Dr. Michael Lewis
Title:	President

July 31, 2013

Michael Lewis

Bio Diligence Partners Inc.

This letter shall serve as an eighth amendment to the Services Agreement dated July 2, 2004. It is hereby agreed to extend the Agreement from July 1, 2013 to July 1, 2014. Compensation described in Exhibit A of the Agreement, as previously amended, will continue at the rate of $99,000.00 per annum and paid on a monthly basis. The reimbursement for 70% of the health insurance cost for consultant shall continue, paid quarterly.

All other sections of the Agreement continue as written.

Cara Therapeutics, Inc.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President & CEO
Bio Diligence Partners, Inc.
By:	/s/ Michael Lewis
Name:	Dr. Michael Lewis
Title:	President

October 23, 2013 (effective July 1, 2014)

Michael Lewis

Bio Diligence Partners Inc.

This letter shall serve as the ninth amendment to the Services Agreement dated July 2, 2004. It is hereby agreed to extend the Agreement from July 1, 2014 to July 1, 2015. Compensation described in Exhibit A of the Agreement, as previously amended, will continue at the rate of $99,000.00 per annum and paid on a monthly basis. The reimbursement for 70% of the health insurance cost for consultant shall continue, paid quarterly.

All other sections of the Agreement continue as written.

Cara Therapeutics, Inc.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President & CEO
Bio Diligence Partners, Inc.
By:	/s/ Michael Lewis
Name:	Michael Lewis, Ph.D.
Title:	President

May 29, 2015

Michael Lewis

Bio Diligence Partners Inc.

This letter shall serve as a tenth amendment to the Services Agreement dated July 2, 2004. It is hereby agreed to extend the Agreement from July 1, 2015 to July 1, 2016. Compensation described in Exhibit A of the Agreement, as previously amended, will continue at the rate of $150,000.00 per annum and paid on a monthly basis. The reimbursement for 70% of the health insurance cost for consultant shall continue, paid quarterly.

All other sections of the Agreement continue as written.

Cara Therapeutics, Inc.
By:	/s/ Derek Chalmers
Name:	Derek Chalmers
Title:	President & CEO
Bio Diligence Partners, Inc.
By:	/s/ Michael Lewis
Name:	Michael Lewis, Ph.D.
Title:	President

EX-31.1

EXHIBIT 31.1

Certification of Chief Executive Officer Pursuant to

Rule 13a-14(a) under the Securities Exchange Act

of 1934, as Adopted Pursuant to

Section 302 of the Sarbanes-Oxley Act of 2002

I, Derek Chalmers, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Cara Therapeutics, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 10, 2015	By:	/s/ Derek Chalmers, Ph.D., D.Sc.
		DEREK CHALMERS
		CHIEF EXECUTIVE OFFICER

EX-31.2

EXHIBIT 31.2

Certification of Chief Financial Officer Pursuant to

Rule 13a-14(a) under the Securities Exchange Act

of 1934, as Adopted Pursuant to

Section 302 of the Sarbanes-Oxley Act of 2002

I, Josef Schoell, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Cara Therapeutics, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 10, 2015	By:	/s/ Josef Schoell
		JOSEF SCHOELL
		CHIEF FINANCIAL OFFICER

EX-32.1

EXHIBIT 32.1

CERTIFICATIONS OF

CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

OF CARA THERAPEUTICS, INC.

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Cara Therapeutics, Inc. (the “Company”) for the quarter ended June 30, 2015, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Derek Chalmers, Ph.D., D.Sc., as Chief Executive Officer of the Company, and Josef Schoell, as Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge, based upon a review of the Report:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ DEREK CHALMERS

Name: Derek Chalmers, Ph.D., D.Sc.

Title: Chief Executive Officer

Date: August 10, 2015

/s/ JOSEF SCHOELL

Name: Josef Schoell

Title: Chief Financial Officer

Date: August 10, 2015

XML

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Pre-tax losses	$ 5,719	$ 3,656	$ 10,423	$ 7,055
Benefit from income taxes	$ 35	$ 11	$ 50	$ 27
Percentage of value of research and development tax credits exchanged for cash			65.00%

XML

Net Loss Per Share - Schedule of Anti-Dilutive Common Stock Equivalents Excluded from Calculations of Diluted Net Loss Per Share (Detail) - shares	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock equivalents	1,583,480	1,078,011
Common Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock equivalents	1,583,480	1,058,160
Common Stock Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock equivalents		19,851

XML

Business - Additional Information (Detail) - USD ($)		1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 04, 2015	Aug. 31, 2014	Apr. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2012	Jul. 29, 2015	Dec. 31, 2014	Dec. 31, 2013
Nature Of Business [Line Items]
Date of formation						Jul. 02, 2004
Proceeds from equity and debt financing						$ 129,600,000
Cash received in connection with license agreements, including upfront and milestone payments received						30,100,000
Upfront and milestone payments related to license agreement					$ 302,000		$ 302,000
Net cash used in operating activities						9,495,000	7,330,000
Accumulated deficit				$ 90,574,000		90,574,000				$ 80,201,000
Unrestricted cash and cash equivalents				43,191,000	62,812,000	43,191,000	62,812,000			$ 52,663,000	$ 12,357,000
Net loss				$ 5,684,000	$ 3,645,000	$ 10,373,000	$ 7,028,000
Common stock, shares issued				22,836,919		22,836,919				22,802,039
Public offering price per share					$ 11.00		$ 11.00
Subsequent Event [Member]
Nature Of Business [Line Items]
Common stock, shares issued	4,327,956								3,763,440
Public offering price per share	$ 18.60
Net proceeds from offering of common stock	$ 75,060,000
Maximum [Member]
Nature Of Business [Line Items]
Offering of common stock, preferred stock, debt securities and warrants						$ 150,000,000
Minimum [Member]
Nature Of Business [Line Items]
Expected period to fund operations						1 year
Maruishi Pharmaceutical Co., Ltd. [Member]
Nature Of Business [Line Items]
Upfront license fee received			$ 15,000,000
Milestone payment received		$ 480,000
Upfront and milestone payments related to license agreement				$ 0	$ 302,000	$ 0	$ 302,000
Chong Kun Dang Pharmaceutical Corporation [Member]
Nature Of Business [Line Items]
Upfront and milestone payments related to license agreement								$ 1,190,000

XML

Stock-Based Compensation - Summary of Compensation Expense Relating to Stock Options (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock option expense	$ 700	$ 456	$ 1,146	$ 809
Research and Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock option expense	280	159	478	231
General and Administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock option expense	$ 420	$ 297	$ 668	$ 578

XML

Basis of Presentation

6 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Basis of Presentation

2. Basis of Presentation

The unaudited interim condensed financial statements included herein have been prepared pursuant to the rules and regulations of the SEC. Accordingly, they do not include all information and disclosures necessary for a presentation of the Company’s financial position, results of operations and cash flows in conformity with generally accepted accounting principles in the United States of America (“GAAP”). In the opinion of management, these unaudited interim financial statements reflect all adjustments, consisting primarily of normal recurring accruals, necessary for a fair presentation of results for the periods presented. The results of operations for interim periods are not necessarily indicative of the results for the full year. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted from this report, as is permitted by SEC rules and regulations; however, the Company believes that the disclosures are adequate to make the information presented not misleading. The condensed balance sheet data for the year ended December 31, 2014 were derived from audited financial statements, but do not include all disclosures required by GAAP. These unaudited interim condensed financial statements should be read in conjunction with the audited financial statements and accompanying notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities, as of the date of the financial statements as well as the reported amounts of revenues and expenses during the reporting period. Actual results could differ materially from the Company’s estimates and assumptions. Significant estimates include useful lives of fixed assets, the periods over which certain revenues will be recognized, including licensing and collaborative revenue recognized from non-refundable up-front and milestone payments, the determination of prepaid research and development clinical costs and accrued research projects, the amount of non-cash compensation costs related to share-based payments to employees and non-employees and the periods over which those costs are expensed and the likelihood of realization of deferred tax assets.

Significant Accounting Policies

There have been no material changes to the significant accounting policies previously disclosed in Note 2 to the Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014.

Recent Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update 2014-09, Revenue from Contracts with Customers (Topic 606) (“ASU 2014-09”). On July 9, 2015, the FASB decided to delay the effective date of ASU 2014-09 for the Company from January 1, 2017 to January 1, 2018. Earlier application by the Company will be permitted only as of January 1, 2017, including interim reporting periods within the year ending December 31, 2017. The Company does not expect to early adopt ASU 2014-09.

During April 2015, the FASB issued Accounting Standards Update 2015-03 (“ASU 2015-03”) “Interest—Imputation of Interest (Subtopic 835-30) Simplifying the Presentation of Debt Issuance Costs”, which simplifies the presentation of debt issuance costs by requiring debt issuance costs (e.g., legal fees, printing costs) to be presented as a deduction from the corresponding debt liability rather than as assets, as under current guidance. ASU 2015-03 is effective for the Company for financial statements issued for periods beginning on January 1, 2016, including interim periods. Early adoption of ASU 2015-03 is permitted for financial statements that have not been previously issued. Upon adoption, the Company must apply the new guidance retrospectively to all prior periods presented in the financial statements. The Company does not expect the adoption of ASU 2015-03 to have a material effect on its financial position, results of operations or cash flows.

Reclassifications

Certain revenue amounting to $132 and $159 within the Statements of Operations for the three and six months ended June 30, 2014, respectively, has been reclassified from Collaborative revenue to Clinical compound revenue to conform to the current year presentation.

XML

Collaborations - Additional Information (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) Deliverables	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Deferred R&D service revenue	$ 89		$ 89		$ 1,452
License and milestone fee revenue		$ 302		$ 302
Collaborative revenue	874	526	$ 1,363	677
Revenue recognized from sale of clinical compound		132		159
Maruishi License Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Number of deliverables for revenue recognized | Deliverables			2
Clinical trial costs related to the R&D services deliverable	877	714	$ 1,475	1,112
Maruishi Pharmaceutical Co., Ltd. [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Revenue recognized from nonsubstantive milestones			8,000
Revenue recognized from substantive milestones			2,500
Deferred R&D service revenue	89		89		$ 1,452
License and milestone fee revenue	0	302	0	302
Collaborative revenue	874	526	1,363	677
Revenue recognized from sale of clinical compound	$ 0	$ 132	0	$ 159
Maruishi Pharmaceutical Co., Ltd. [Member] | Clinical Development [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Next potential milestone that could be received			$ 2,000

XML

Prepaid Expenses and Other Current Assets - Additional Information (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses and other current assets	$ 590	$ 287
Prepaid insurance	423	92
Prepaid offering costs	51
Prepaid R&D clinical costs	35	177
Other costs	$ 81	$ 18

XML

Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Accounts payable	$ 711	$ 515
Accrued research projects	1,552	549
Accrued professional fees	303	266
Accrued compensation and benefits	543	504
Accrued other	41	112
Total	$ 3,150	$ 1,946

XML

Net Loss Per Share - Computation of Denominators Used in Net Loss Per Share (Detail) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic:
Weighted average common shares outstanding	22,828,612	22,608,324	22,818,601	19,150,412
Diluted:
Weighted average common shares outstanding - Basic	22,828,612	22,608,324	22,818,601	19,150,412
Common stock options	0	0	0	0
Common stock warrants	0	0	0	0
Convertible preferred stock	0	0	0	0
Denominator for diluted net loss per share	22,828,612	22,608,324	22,818,601	19,150,412

XML

Business

6 Months Ended

Jun. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Business

1. Business

Cara Therapeutics, Inc. (the “Company”, “we”, “our” or “us”) is a clinical-stage biopharmaceutical corporation formed on July 2, 2004. The Company is focused on developing and commercializing new chemical entities designed to alleviate pain and pruritus by selectively targeting kappa opioid receptors. The Company’s primary activities to date have been organizing and staffing the company, developing its product candidates, including conducting preclinical studies and clinical trials of CR845-based product candidates and raising capital.

As of June 30, 2015, the Company has raised aggregate net proceeds of approximately $129,600 from several rounds of equity financing, including its initial public offering, and the issuance of debt. In addition, the Company received $30,100 under its license agreements for CR845, primarily with Maruishi Pharmaceutical Co. Ltd. (“Maruishi”) and Chong Kun Dang Pharmaceutical Corp. (“CKD”), and an earlier product candidate for which development efforts ceased in 2007. Included in those aforementioned payments pursuant to license agreements, in April 2013, the Company received $15,000 as an upfront payment, and in August 2014, the Company received an additional $480 related to achievement of a milestone in connection with the license of rights to CR845 in Japan to Maruishi. In 2012, the Company received aggregate upfront and milestone payments of $1,190 pursuant to a license agreement with CKD, in connection with the license of rights to CR845 in South Korea. The Company has incurred substantial losses and negative cash flows from operating activities in nearly every fiscal period since inception, and expects operating losses and negative cash flows to continue into the foreseeable future.

As of June 30, 2015, the Company had unrestricted cash and cash equivalents of $43,191 and an accumulated deficit of $90,574. The Company had net cash used in operating activities of $9,495 and $7,330 for the six months ended June 30, 2015 and 2014, respectively. The Company expects that cash and cash equivalents at June 30, 2015 will be sufficient to fund its operations beyond one year. The Company recognized net losses of $5,684 and $10,373 for the three and six months ended June 30, 2015, respectively, and $3,645 and $7,028 for the three and six months ended June 30, 2014, respectively, and expects to incur additional losses for the full year ending December 31, 2015.

In order to fund future operations, including clinical trials, the Company filed a shelf registration statement on Form S-3 (File No. 333-203072), which the Securities and Exchange Commission (“SEC”) declared effective on May 13, 2015. The shelf registration statement provides for the offering of up to $150,000 of common stock, preferred stock, debt securities, warrants or any combination thereof. The Company may offer the securities under its shelf registration statement from time to time in response to market conditions or other circumstances if it believes such a plan of financing is in the best interests of its stockholders.

On August 4, 2015, the Company closed an underwritten public offering of 4,327,956 shares of its common stock at a public offering price of $18.60 per share pursuant to its shelf registration statement, receiving net proceeds of approximately $75,060, after deducting the underwriting discounts and commissions and estimated offering expenses payable by the Company (see Note 11, Subsequent Event, of Notes to Condensed Financial Statements).

The Company is subject to risks common to other life science companies including, but not limited to, uncertainty of product development and commercialization, lack of marketing and sales history, development by its competitors of new technological innovations, dependence on key personnel, market acceptance of products, product liability protection of proprietary technology, ability to raise additional financing, and compliance with Food and Drug Administration (“FDA”) and other government regulations. If the Company does not successfully commercialize any of its product candidates, it will be unable to generate recurring product revenue or achieve profitability.

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Net Loss Per Share - Computation of Basic and Diluted Net Loss Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Net loss	$ (5,684)	$ (3,645)	$ (10,373)	$ (7,028)
Weighted-average common shares outstanding:
Basic and Diluted	22,828,612	22,608,324	22,818,601	19,150,412
Net loss per share, Basic and Diluted	$ (0.25)	$ (0.16)	$ (0.45)	$ (0.37)

XML

Commitments and Contingencies - Schedule of Contractual Obligations and Commitments (Detail) $ in Thousands	Jun. 30, 2015 USD ($)
Commitments and Contingencies Disclosure [Abstract]
2015	$ 445
2016	913
2017	740
2018	0
Thereafter	0
Total	$ 2,098

XML

Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 43,191	$ 52,663
Income tax receivable	250	200
Prepaid expenses and other current assets	590	287
Total current assets	44,031	53,150
Property and equipment, net	1,710	2,084
Restricted cash	700	700
Total assets	46,441	55,934
Current liabilities:
Accounts payable and accrued expenses	3,150	1,946
Deferred revenue	89	1,452
Total current liabilities	3,239	3,398
Deferred lease obligation	$ 732	$ 874
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock; $0.001 par value; 5,000,000 shares authorized at June 30, 2015 and December 31, 2014, zero shares issued and outstanding at June 30, 2015 and December 31, 2014
Common stock; $0.001 par value; 100,000,000 shares authorized at June 30, 2015 and December 31, 2014, 22,836,919 shares and 22,802,039 shares issued and outstanding at June 30, 2015 and December 31, 2014, respectively	$ 23	$ 23
Additional paid-in capital	133,021	131,840
Accumulated deficit	(90,574)	(80,201)
Total stockholders' equity	42,470	51,662
Total liabilities and stockholders' equity	$ 46,441	$ 55,934

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Condensed Statements of Convertible Preferred Stock and Stockholders' (Deficit) Equity (Parenthetical) - Jun. 30, 2014 - USD ($) $ in Thousands	Total
Statement of Stockholders' Equity [Abstract]
Sale of common stock in initial public offering, per share	$ 11.00
Underwriting discounts and commissions and offering expenses	$ 7,003

XML

Stock-Based Compensation - Additional Information (Detail) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jan. 01, 2015	Dec. 31, 2014
Employees and Members of Board of Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of options granted	$ 6.41	$ 8.53	$ 6.32	$ 7.55
Nonemployee Consultants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value of outstanding vested options	$ 8.99	$ 13.75	$ 8.11	$ 14.61
2014 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options that may be granted after the tenth anniversary of the 2014 Plan			0
Annual increases in number of shares reserved for issuance as a percentage of shares of capital stock outstanding through January 1, 2024			3.00%
Share-based compensation arrangement by share-based payment award, number of shares authorized					2,284,061	1,600,000
Options granted	309,000	227,000	604,000	614,000
2014 Equity Incentive Plan [Member] | Share-Based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of vested shares on first anniversary of grant date			25.00%
2014 Equity Incentive Plan [Member] | Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of awards granted			36 months
2014 Equity Incentive Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of awards granted			10 years
2014 Equity Incentive Plan [Member] | Incentive Stock Options [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, number of shares authorized	30,000,000		30,000,000

XML

Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Computation of Denominators Used in Net Loss Per Share

The denominators used in the net loss per share computations are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Basic:
Weighted average common shares outstanding		22,828,612		22,608,324		22,818,601		19,150,412
Diluted:
Weighted average common shares outstanding - Basic		22,828,612		22,608,324		22,818,601		19,150,412
Common stock options*		—		—		—		—
Common stock warrants*		—		—		—		—
Convertible preferred stock*		—		—		—		—
Denominator for diluted net loss per share		22,828,612		22,608,324		22,818,601		19,150,412

* No amounts were considered as their effects would be anti-dilutive.

Computation of Basic and Diluted Net Loss Per Share

Basic and diluted net loss per share are computed as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Net loss	$	(5,684	)	$	(3,645	)	$	(10,373	)	$	(7,028	)
Weighted-average common shares outstanding:
Basic and Diluted		22,828,612			22,608,324			22,818,601			19,150,412
Net loss per share, Basic and Diluted	$	(0.25	)	$	(0.16	)	$	(0.45	)	$	(0.37	)

Schedule of Anti-Dilutive Common Stock Equivalents Excluded from Calculations of Diluted Net Loss Per Share

Securities outstanding at the end of the respective periods presented below, that could potentially dilute basic earnings per share in the future, that were not included in the computation of diluted net loss per share because to do so would have been anti-dilutive are as follows:

	June 30,
	2015		2014
Common stock options		1,583,480		1,058,160
Common stock warrants		—		19,851
Total		1,583,480		1,078,011

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Stock-Based Compensation - Summary of Assumptions Used in Black-Scholes Option Pricing Model (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate, minimum	1.87%	1.80%	1.43%	1.80%
Risk-free interest rate, maximum	1.89%	1.99%	1.89%	2.72%
Expected volatility	64.00%	65.00%
Expected volatility, minimum			64.00%	65.00%
Expected volatility, maximum			67.00%	71.00%
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Employee Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life of options (in years)	6 years 3 months	6 years 3 months	6 years 3 months	6 years 3 months
Nonemployee Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life of options (in years)	10 years	10 years	10 years	10 years

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Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Contractual Obligations and Commitments

Contractual obligations and commitments as of June 30, 2015 were as follows:

	Payment Due for the Year Ending December 31,
	2015		2016		2017		2018		Thereafter		Total
Operating lease (1)	$	445	$	913	$	740	$	—	$	—	$	2,098

(1) The Company leases its operating facility located in Shelton, Connecticut.

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Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities
Net loss	$ (10,373)	$ (7,028)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	1,146	809
Depreciation and amortization	386	393
Deferred rent costs	(142)	(130)
Changes in operating assets and liabilities:
Other receivables		(480)
Income tax receivable	(50)	4
Prepaid expenses and other current assets	(303)	(561)
Accounts payable and accrued expenses	1,204	69
Deferred revenue	(1,363)	(406)
Net cash used in operating activities	(9,495)	(7,330)
Investing activities
Purchases of property and equipment	(12)	(6)
Net cash used in investing activities	(12)	(6)
Financing activities
Proceeds from initial public offering, net of issuance costs		57,762
Proceeds from the exercise of stock options	35	29
Net cash provided by financing activities	35	57,791
Net cash (decrease) increase for the period	(9,472)	50,455
Cash and cash equivalents at beginning of period	52,663	12,357
Cash and cash equivalents at end of period	$ 43,191	62,812
Noncash financing activities
Conversion of convertible preferred stock to common stock		65,586
Reclassification of prepaid IPO costs paid in 2013		1,465
Unpaid IPO issuance costs		$ 50

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Condensed Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	22,836,919	22,802,039
Common stock, shares outstanding	22,836,919	22,802,039

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

10. Commitments and Contingencies

Contractual obligations and commitments as of June 30, 2015 were as follows:

	Payment Due for the Year Ending December 31,
	2015		2016		2017		2018		Thereafter		Total
Operating lease (1)	$	445	$	913	$	740	$	—	$	—	$	2,098

(1) The Company leases its operating facility located in Shelton, Connecticut.

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Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2015	Aug. 05, 2015
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Trading Symbol	CARA
Entity Registrant Name	Cara Therapeutics, Inc.
Entity Central Index Key	0001346830
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		27,164,875

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Subsequent Event

6 Months Ended

Jun. 30, 2015

Subsequent Events [Abstract]

Subsequent Event

11. Subsequent Event

On July 29, 2015, the Company entered into an underwriting agreement (the “Underwriting Agreement”) with Stifel, Nicolaus & Company, Incorporated and Piper Jaffray & Co., as representatives of the several underwriters named therein, relating to the issuance and sale by the Company of 3,763,440 shares of its common stock (the “Offering”). The Company also granted the underwriters a 30-day option to purchase up to 564,516 additional shares of its common stock. The Offering was made pursuant to the Company’s Registration Statement on Form S-3 (File No. 333-203072), filed with the SEC on March 27, 2015 and declared effective on May 13, 2015, and a related prospectus supplement dated July 29, 2015, which was filed with the SEC on July 30, 2015. On August 4, 2015, the Company received net proceeds, from the Offering and the full exercise by the underwriters of their option to purchase additional shares, of approximately $75,060, after deducting the underwriting discounts and commissions and estimated offering expenses payable by the Company.

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Condensed Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue:
License and milestone fees		$ 302		$ 302
Collaborative revenue	$ 874	526	$ 1,363	677
Clinical compound revenue		132		159
Total revenue	874	960	1,363	1,138
Operating expenses:
Research and development	4,684	3,200	8,069	5,401
General and administrative	1,922	1,472	3,744	2,870
Total operating expenses	6,606	4,672	11,813	8,271
Operating loss	(5,732)	(3,712)	(10,450)	(7,133)
Interest income	13	56	27	78
Loss before benefit from income taxes	(5,719)	(3,656)	(10,423)	(7,055)
Benefit from income taxes	35	11	50	27
Net loss	$ (5,684)	$ (3,645)	$ (10,373)	$ (7,028)
Net loss per share -Basic and Diluted	$ (0.25)	$ (0.16)	$ (0.45)	$ (0.37)
Weighted average shares:
Basic and Diluted	22,828,612	22,608,324	22,818,601	19,150,412

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Collaborations

6 Months Ended

Jun. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Collaborations

5. Collaborations

Maruishi Pharmaceutical Co., Ltd.

In April 2013, the Company entered into a license agreement with Maruishi under which the Company granted Maruishi an exclusive license to develop, manufacture, and commercialize drug products containing CR845 for acute pain and uremic pruritus in Japan. The Company and Maruishi are responsible to use commercially reasonable efforts, at their own expense, to develop, obtain regulatory approval for and commercialize CR845 in the United States and Japan, respectively. In addition, the Company will provide Maruishi specific clinical development services for CR845 used in Maruishi’s field of use.

The Company has identified two deliverables under ASC 605-25, Revenue Recognition — Multiple Element Arrangements: (1) the license; and (2) the R&D services specific to the uremic pruritus field of use. The Company has determined that the license has standalone value because Maruishi has the right to sublicense and manufacture CR845 in Japan. The second deliverable is the R&D services, which also have standalone value as similar services are sold separately by other vendors. Since both the license and the R&D services separability criteria have been met, they are being accounted for as separate units of accounting at the outset of the arrangement.

Along with the R&D services performed by the Company for Maruishi, the Company supplies Maruishi with CR845 clinical material as an accommodation. The Company had previously entered into manufacturing and service agreements with third parties to manufacture CR845. Payments made by the Company to third parties based on firm and fixed commitments by Maruishi to purchase CR845 from the Company are capitalized as prepaid expense. During the manufacturing process, title and risk of loss remains with the third party until the Company has paid in full for the material.

Once the Company has title to the CR845 and has delivered it to Maruishi, prepaid expense related to that CR845 is reduced with an offset to R&D expense. At that time, Maruishi reimburses the Company for its external and internal costs for purchasing CR845 and processing the sale to Maruishi and the Company recognizes clinical compound revenue for the reimbursement amount. Deposits received from Maruishi prior to delivery of CR845 are recorded as deferred revenue.

Under the terms of the license agreement, the Company is also entitled to receive aggregate milestone payments of $8,000 for events performed by Maruishi in Japan and $2,500 for events performed by the Company in the U.S. At the time of execution of this license agreement, there was significant uncertainty as to whether the stated milestones would be achieved. In conjunction with this uncertainty, the Company has determined that the milestones achieved in the U.S. are substantive in nature as they are commensurate with the enhancement of value of the delivered license as they relate to clinical success and advancement within the FDA drug development platform. The Company will account for those milestone payments under ASC 605 Revenue Recognition – Milestone Method. However, the milestones achieved by Maruishi in Japan are not substantive and will be accounted for as contingent consideration.

The next potential milestone that the Company could be entitled to receive under the Maruishi license agreement will be a clinical development milestone for initiation of a Phase 1 clinical trial in Japan for a certain indication. If achieved, this milestone will result in a $2,000 payment being due to the Company.

As of June 30, 2015 and December 31, 2014, the Company had $89 and $1,452, respectively, of deferred revenue pursuant to the R&D services deliverable under the license agreement with Maruishi.

During the three months ended June 30, 2015 and 2014, the Company recognized $0 and $302, respectively, of license and milestone fee revenue, representing a portion of the amount earned by the Company upon achievement of a milestone by Maruishi in June 2014, $874 and $526, respectively, of collaborative revenue from the amortization of deferred revenue arising from the portion of the upfront payment received pursuant to the license agreement with Maruishi that was allocated to the R&D services deliverable and $0 and $132, respectively, of clinical compound revenue from the sale of CR845 clinical compound to Maruishi.

During the six months ended June 30, 2015 and 2014, the Company recognized $0 and $302, respectively, of license and milestone fee revenue, $1,363 and $677, respectively, of collaborative revenue and $0 and $159, respectively, of clinical compound revenue.

The Company incurred clinical trial costs related to the R&D services deliverable of $877 and $714 during the three months ended June 30, 2015 and 2014, respectively, and $1,475 and $1,112 during the six months ended June 30, 2015 and 2014, respectively.

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Prepaid Expenses and Other Current Assets

6 Months Ended

Jun. 30, 2015

Text Block [Abstract]

Prepaid Expenses and Other Current Assets

4. Prepaid expenses and other current assets

As of June 30, 2015, prepaid expenses and other current assets were $590, consisting of $423 of prepaid insurance, $51 of prepaid offering costs, $35 of prepaid research and development (“R&D”) clinical costs and $81 of other costs. As of December 31, 2014, prepaid expenses and other current assets were $287, consisting of $92 of prepaid insurance, $177 of prepaid R&D clinical costs and $18 of other costs.

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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Assumptions Used in Black-Scholes Option Pricing Model

The fair values of stock options granted during the three and six months ended June 30, 2015 and 2014 were estimated as of the dates of grant using the Black-Scholes option pricing model with the following assumptions:

	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Risk-free interest rate	1.87% - 1.89%	1.80% - 1.99%	1.43% - 1.89%	1.80% - 2.72%
Expected volatility	64%	65%	64% - 67%	65% - 71%
Expected dividend yield	0%	0%	0%	0%
Expected life of employee options (in years)	6.25	6.25	6.25	6.25
Expected life of nonemployee options (in years)	10	10	10	10

Summary of Compensation Expense Relating to Stock Options

During the three and six months ended June 30, 2015 and 2014, the Company recognized compensation expense relating to stock options, as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Research and development	$	280	$	159	$	478	$	231
General and administrative		420		297		668		578
Total stock option expense	$	700	$	456	$	1,146	$	809

Summary of Stock Option Award Activity

A summary of stock option award activity as of and for the six months ended June 30, 2015 is presented below:

	Number of Shares			Weighted Average Exercise Price
Outstanding, December 31, 2014		1,022,360		$	8.16
Granted		604,000			10.45
Exercised		(34,880	)		1.02
Expired		(8,000	)		0.25
Outstanding, June 30, 2015		1,583,480			9.23
Options exercisable, June 30, 2015		456,453		$	6.25

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Basis of Presentation (Policies)

6 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The unaudited interim condensed financial statements included herein have been prepared pursuant to the rules and regulations of the SEC. Accordingly, they do not include all information and disclosures necessary for a presentation of the Company’s financial position, results of operations and cash flows in conformity with generally accepted accounting principles in the United States of America (“GAAP”). In the opinion of management, these unaudited interim financial statements reflect all adjustments, consisting primarily of normal recurring accruals, necessary for a fair presentation of results for the periods presented. The results of operations for interim periods are not necessarily indicative of the results for the full year. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted from this report, as is permitted by SEC rules and regulations; however, the Company believes that the disclosures are adequate to make the information presented not misleading. The condensed balance sheet data for the year ended December 31, 2014 were derived from audited financial statements, but do not include all disclosures required by GAAP. These unaudited interim condensed financial statements should be read in conjunction with the audited financial statements and accompanying notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014.

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities, as of the date of the financial statements as well as the reported amounts of revenues and expenses during the reporting period. Actual results could differ materially from the Company’s estimates and assumptions. Significant estimates include useful lives of fixed assets, the periods over which certain revenues will be recognized, including licensing and collaborative revenue recognized from non-refundable up-front and milestone payments, the determination of prepaid research and development clinical costs and accrued research projects, the amount of non-cash compensation costs related to share-based payments to employees and non-employees and the periods over which those costs are expensed and the likelihood of realization of deferred tax assets.

Significant Accounting Policies

Significant Accounting Policies

There have been no material changes to the significant accounting policies previously disclosed in Note 2 to the Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update 2014-09, Revenue from Contracts with Customers (Topic 606) (“ASU 2014-09”). On July 9, 2015, the FASB decided to delay the effective date of ASU 2014-09 for the Company from January 1, 2017 to January 1, 2018. Earlier application by the Company will be permitted only as of January 1, 2017, including interim reporting periods within the year ending December 31, 2017. The Company does not expect to early adopt ASU 2014-09.

During April 2015, the FASB issued Accounting Standards Update 2015-03 (“ASU 2015-03”) “Interest—Imputation of Interest (Subtopic 835-30) Simplifying the Presentation of Debt Issuance Costs”, which simplifies the presentation of debt issuance costs by requiring debt issuance costs (e.g., legal fees, printing costs) to be presented as a deduction from the corresponding debt liability rather than as assets, as under current guidance. ASU 2015-03 is effective for the Company for financial statements issued for periods beginning on January 1, 2016, including interim periods. Early adoption of ASU 2015-03 is permitted for financial statements that have not been previously issued. Upon adoption, the Company must apply the new guidance retrospectively to all prior periods presented in the financial statements. The Company does not expect the adoption of ASU 2015-03 to have a material effect on its financial position, results of operations or cash flows.

Reclassifications

Reclassifications

Certain revenue amounting to $132 and $159 within the Statements of Operations for the three and six months ended June 30, 2014, respectively, has been reclassified from Collaborative revenue to Clinical compound revenue to conform to the current year presentation.

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Stock-Based Compensation

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

8. Stock-Based Compensation

2014 Equity Incentive Plan

The Company’s 2014 Equity Incentive Plan (the “2014 Plan”) is administered by the Company’s Board of Directors or a duly authorized committee thereof (the “Plan administrator”). The 2014 Plan provides for the grant of incentive stock options, non-statutory stock options, restricted stock awards, restricted stock unit awards, stock appreciation rights, performance stock awards and other forms of equity compensation (collectively, “Stock Awards”). Additionally, the 2014 Plan provides for the grant of performance cash awards. Incentive stock options may be granted only to employees. All other awards may be granted to employees, including officers, non-employee directors, and consultants. No incentive stock options may be granted under the 2014 Plan after the tenth anniversary of the effective date of the 2014 Plan. Stock Awards granted under the 2014 Plan vest at the rate specified by the Plan administrator, which, to date, has been 25% on the first anniversary of the date of grant and the balance ratably over the next 36 months. The Plan administrator determines the term of Stock Awards granted under the 2014 Plan up to a maximum of ten years.

The aggregate number of shares of the Company’s common stock reserved for issuance under the 2014 Plan automatically increases on January 1 of each year, beginning on January 1, 2015 and continuing through and including January 1, 2024, by 3% of the total number of shares of the Company’s capital stock outstanding on December 31 of the preceding calendar year, or a lesser number of shares determined by the Company’s Board of Directors. On January 1, 2015, the aggregate number of shares of common stock that may be issued pursuant to stock awards under the Company’s 2014 Equity Incentive Plan automatically increased from 1,600,000 to 2,284,061. The maximum number of shares that may be issued pursuant to the exercise of incentive stock options under the 2014 Plan is 30,000,000 shares.

Under the 2014 Plan, the Company granted 309,000 and 604,000 stock options during the three and six months ended June 30, 2015, respectively, and 227,000 and 614,000 stock options during the three and six months ended June 30, 2014, respectively. The fair values of stock options granted during the three and six months ended June 30, 2015 and 2014 were estimated as of the dates of grant using the Black-Scholes option pricing model with the following assumptions:

	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Risk-free interest rate	1.87% - 1.89%	1.80% - 1.99%	1.43% - 1.89%	1.80% - 2.72%
Expected volatility	64%	65%	64% - 67%	65% - 71%
Expected dividend yield	0%	0%	0%	0%
Expected life of employee options (in years)	6.25	6.25	6.25	6.25
Expected life of nonemployee options (in years)	10	10	10	10

The weighted average grant date fair value of options granted to employees and members of the Board of Directors for their service during the three and six months ended June 30, 2015 was $6.41 and $6.32, respectively, and during the three and six months ended June 30, 2014 was $8.53 and $7.55, respectively.

The weighted average fair value of outstanding vested options that had been granted to nonemployee consultants as re-measured in accordance with ASC 505-50 was $8.99 and $8.11 during the three and six months ended June 30, 2015, respectively, and $13.75 and $14.61, during the three and six months ended June 30, 2014, respectively.

During the three and six months ended June 30, 2015 and 2014, the Company recognized compensation expense relating to stock options, as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Research and development	$	280	$	159	$	478	$	231
General and administrative		420		297		668		578
Total stock option expense	$	700	$	456	$	1,146	$	809

A summary of stock option award activity as of and for the six months ended June 30, 2015 is presented below:

	Number of Shares			Weighted Average Exercise Price
Outstanding, December 31, 2014		1,022,360		$	8.16
Granted		604,000			10.45
Exercised		(34,880	)		1.02
Expired		(8,000	)		0.25
Outstanding, June 30, 2015		1,583,480			9.23
Options exercisable, June 30, 2015		456,453		$	6.25

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Accounts Payable and Accrued Expenses

6 Months Ended

Jun. 30, 2015

Payables and Accruals [Abstract]

Accounts Payable and Accrued Expenses

6. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

	June 30, 2015		December 31, 2014
Accounts payable	$	711	$	515
Accrued research projects		1,552		549
Accrued professional fees		303		266
Accrued compensation and benefits		543		504
Accrued other		41		112
Total	$	3,150	$	1,946

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Net Loss Per Share

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Net Loss Per Share

7. Net Loss Per Share

The Company computes basic net income (loss) per share by dividing net income (loss) by the weighted average number of shares of common stock outstanding. Diluted net income per share includes the potential dilutive effect of common stock equivalents as if such securities were converted or exercised during the period, when the effect is dilutive. Common stock equivalents include convertible preferred stock, and outstanding stock options and stock warrants, which are included using the treasury stock method when dilutive. The computation of diluted net loss per share does not include common stock equivalents since such inclusion would be anti-dilutive. For the three and six months ended June 30, 2015 and 2014, the Company excluded the effects of potentially dilutive shares that were outstanding during those respective periods from the denominator as their inclusion would be anti-dilutive due to the Company’s net losses during those periods.

The denominators used in the net loss per share computations are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Basic:
Weighted average common shares outstanding		22,828,612		22,608,324		22,818,601		19,150,412
Diluted:
Weighted average common shares outstanding - Basic		22,828,612		22,608,324		22,818,601		19,150,412
Common stock options*		—		—		—		—
Common stock warrants*		—		—		—		—
Convertible preferred stock*		—		—		—		—
Denominator for diluted net loss per share		22,828,612		22,608,324		22,818,601		19,150,412

* No amounts were considered as their effects would be anti-dilutive.

Basic and diluted net loss per share are computed as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Net loss	$	(5,684	)	$	(3,645	)	$	(10,373	)	$	(7,028	)
Weighted-average common shares outstanding:
Basic and Diluted		22,828,612			22,608,324			22,818,601			19,150,412
Net loss per share, Basic and Diluted	$	(0.25	)	$	(0.16	)	$	(0.45	)	$	(0.37	)

Securities outstanding at the end of the respective periods presented below, that could potentially dilute basic earnings per share in the future, that were not included in the computation of diluted net loss per share because to do so would have been anti-dilutive are as follows:

	June 30,
	2015		2014
Common stock options		1,583,480		1,058,160
Common stock warrants		—		19,851
Total		1,583,480		1,078,011

All common stock warrants were exercised in a net exercise on July 31, 2014 (see Note 8, Long-Term Debt, in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014).

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Income Taxes

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Income Taxes

9. Income Taxes

For the three months ended June 30, 2015 and 2014, pre-tax losses were $5,719 and $3,656, respectively, and for the six months ended June 30, 2015 and 2014, pre-tax losses were $10,423 and $7,055, respectively. The Company recognized a full tax valuation allowance against net deferred tax assets at June 30, 2015 and December 31, 2014.

The benefit from income taxes of $35 and $11 for the three months ended June 30, 2015 and 2014, respectively, and $50 and $27 for the six months ended June 30, 2015 and 2014, respectively relates to state research and development tax credits exchanged for cash pursuant to the Connecticut Research and Development Tax Credit Exchange Program, which permits qualified small businesses engaged in research and development activities within Connecticut to exchange their unused research and development tax credits for a cash amount equal to 65% of the value of the exchanged credits.

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Net Loss Per Share - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2015
Earnings Per Share [Abstract]
Warrant exercise date	Jul. 31, 2014

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Accounts Payable and Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2015

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

	June 30, 2015		December 31, 2014
Accounts payable	$	711	$	515
Accrued research projects		1,552		549
Accrued professional fees		303		266
Accrued compensation and benefits		543		504
Accrued other		41		112
Total	$	3,150	$	1,946

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Basis of Presentation - Additional Information (Detail) - Jun. 30, 2014 - USD ($) $ in Thousands	Total	Total
Accounting Policies [Abstract]
Clinical compound revenue	$ 132	$ 159

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Subsequent Event - Additional Information (Detail) - USD ($) $ in Thousands	Aug. 04, 2015	Jul. 29, 2015	Jun. 30, 2015	Dec. 31, 2014
Subsequent Event [Line Items]
Common stock, shares issued			22,836,919	22,802,039
Subsequent Event [Member]
Subsequent Event [Line Items]
Common stock, shares issued	4,327,956	3,763,440
Option period to Underwriters		30 days
Net proceeds from offering of common stock	$ 75,060
Underwriters [Member] | Subsequent Event [Member] | Maximum [Member]
Subsequent Event [Line Items]
Common stock, shares issued		564,516

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Condensed Statements of Convertible Preferred Stock and Stockholders' (Deficit) Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Convertible Preferred Stock [Member]
Balance, Value at Dec. 31, 2013	$ (54,075)	$ 4	$ 8,377	$ (62,456)
Balance, Value at Dec. 31, 2013					$ 65,586
Balance, Shares at Dec. 31, 2013		4,288,243
Balance, Shares at Dec. 31, 2013					29,186,929
Preferred stock converted to common shares, Value	65,586	$ 13	65,573		$ (65,586)
Preferred stock converted to common shares, Shares		12,554,171			(29,186,929)
Sale of common stock in initial public offering, net of underwriting discounts and commissions and offering expenses, Value	56,247	$ 6	56,241
Sale of common stock in initial public offering, net of underwriting discounts and commissions and offering expenses, Shares		5,750,000
Stock-based compensation expense	809		809
Shares issued upon exercise of stock options, Value	29		29
Shares issued upon exercise of stock options, Shares		46,000
Net loss	(7,028)			(7,028)
Balance, Value at Jun. 30, 2014	61,568	$ 23	131,029	(69,484)
Balance, Shares at Jun. 30, 2014		22,638,414
Balance, Value at Dec. 31, 2014	51,662	$ 23	131,840	(80,201)
Balance, Shares at Dec. 31, 2014		22,802,039
Stock-based compensation expense	1,146		1,146
Shares issued upon exercise of stock options, Value	35		35
Shares issued upon exercise of stock options, Shares		34,880
Net loss	(10,373)			(10,373)
Balance, Value at Jun. 30, 2015	$ 42,470	$ 23	$ 133,021	$ (90,574)
Balance, Shares at Jun. 30, 2015		22,836,919

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Fair Value Measurements

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurements

3. Fair Value Measurements

As of June 30, 2015 and December 31, 2014, the Company’s financial instruments consisted of cash and cash equivalents, restricted cash, accounts payable and accrued liabilities. The carrying amount of each of those financial instruments is generally considered to be representative of their respective fair values because of the short-term nature of those instruments.

Current accounting guidance defines fair value, establishes a framework for measuring fair value in accordance with Accounting Standards Codification (“ASC”) section 820, and requires certain disclosures about fair value measurements.

The valuation techniques included in the guidance are based on observable and unobservable inputs. Observable inputs reflect readily obtainable data from independent sources, while unobservable inputs reflect market assumptions and are classified into the following fair value hierarchy:

• Level 1 – Observable inputs – quoted prices in active markets for identical assets and liabilities.

• Level 2 – Observable inputs other than the quoted prices in active markets for identical assets and liabilities – such as quoted prices for similar instruments, quoted prices for identical or similar instruments in inactive markets, or other inputs that are observable or can be corroborated by observable market data.

• Level 3 – Unobservable inputs – includes amounts derived from valuation models where one or more significant inputs are unobservable and require the Company to develop relevant assumptions.

The following table summarizes the financial assets measured at fair value on a recurring basis as of June 30, 2015 and December 31, 2014.

	June 30, 2015		December 31, 2014
	Level 1		Level 1
Financial assets
Cash equivalents:
Money market savings account	$	42,415	$	52,663
Restricted cash:
Bank certificate of deposit		700		700
Total	$	43,115	$	53,363

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Fair Value Measurements - Summary of Financial Assets Measured at Fair Value on Recurring Basis (Detail) - Recurring [Member] - Level 1 [Member] - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Financial assets
Total	$ 43,115	$ 53,363
Money Market Savings Account [Member]
Financial assets
Cash equivalents	42,415	52,663
Bank Certificate of Deposit [Member]
Financial assets
Restricted cash	$ 700	$ 700

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Stock-Based Compensation - Summary of Stock Option Award Activity (Detail) - 2014 Equity Incentive Plan [Member] - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Outstanding, December 31, 2014			1,022,360
Number of Shares, Granted	309,000	227,000	604,000	614,000
Number of Shares, Exercised			(34,880)
Number of Shares, Expired			(8,000)
Number of Shares, Outstanding, June 30, 2015	1,583,480		1,583,480
Number of Shares, Options exercisable, June 30, 2015	456,453		456,453
Weighted Average Exercise Price, Outstanding, December 31, 2014			$ 8.16
Weighted Average Exercise Price, Granted			10.45
Weighted Average Exercise Price, Exercised			1.02
Weighted Average Exercise Price, Expired			0.25
Weighted Average Exercise Price, Outstanding, June 30, 2015	$ 9.23		9.23
Weighted Average Exercise Price, Options exercisable, June 30, 2015	$ 6.25		$ 6.25

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Summary of Financial Assets Measured at Fair Value on Recurring Basis

The following table summarizes the financial assets measured at fair value on a recurring basis as of June 30, 2015 and December 31, 2014.

	June 30, 2015		December 31, 2014
	Level 1		Level 1
Financial assets
Cash equivalents:
Money market savings account	$	42,415	$	52,663
Restricted cash:
Bank certificate of deposit		700		700
Total	$	43,115	$	53,363