SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G/A

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

CYPRESS BIOSCIENCE, INC.

(Name of Issuer)

COMMON STOCK, PAR VALUE $0.001 PER SHARE

(Title of Class of Securities)

232674507

                                (CUSIP Number)                                

January 31, 2007

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

x Rule 13d-1(c)

¨ Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 232674507 Page 2 of 14 Pages

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)
	Atlas Master Fund, Ltd.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
	(a)  ¨
	(b)  ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5    SOLE VOTING POWER
	None
	6    SHARED VOTING POWER
	67,487 (See Item 4)
	7    SOLE DISPOSITIVE POWER
	None
	8    SHARED DISPOSITIVE POWER
	67,487 (See Item 4)

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	67,487 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*	¨
	Not Applicable
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	.21%
12	TYPE OF REPORTING PERSON*
	CO

* SEE INSTRUCTIONS BEFORE FILLING OUT.

CUSIP No. 232674507 Page 3 of 14 Pages

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)
	Atlas Global, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
	(a)  ¨
	(b)  ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5    SOLE VOTING POWER
	None
	6    SHARED VOTING POWER
	67,487 (See Item 4)
	7    SOLE DISPOSITIVE POWER
	None
	8    SHARED DISPOSITIVE POWER
	67,487 (See Item 4)

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	67,487 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*	¨
	Not Applicable
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	.21%
12	TYPE OF REPORTING PERSON*
	OO

* SEE INSTRUCTIONS BEFORE FILLING OUT.

CUSIP No. 232674507 Page 4 of 14 Pages

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)
	Atlas Global Investments, Ltd.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
	(a)  ¨
	(b)  ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5    SOLE VOTING POWER
	None
	6    SHARED VOTING POWER
	67,487 (See Item 4)
	7    SOLE DISPOSITIVE POWER
	None
	8    SHARED DISPOSITIVE POWER
	67,487 (See Item 4)

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	67,487 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*	¨
	Not Applicable
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	.21%
12	TYPE OF REPORTING PERSON*
	CO

* SEE INSTRUCTIONS BEFORE FILLING OUT.

CUSIP No. 232674507 Page 5 of 14 Pages

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)
	Atlas Global Investments II, Ltd.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
	(a)  ¨
	(b)  ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5    SOLE VOTING POWER
	None
	6    SHARED VOTING POWER
	67,487 (See Item 4)
	7    SOLE DISPOSITIVE POWER
	None
	8    SHARED DISPOSITIVE POWER
	67,487 (See Item 4)

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	67,487 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*	¨
	Not Applicable
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	.21%
12	TYPE OF REPORTING PERSON*
	CO

* SEE INSTRUCTIONS BEFORE FILLING OUT.

CUSIP No. 232674507 Page 6 of 14 Pages

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)
	Balyasny Asset Management L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
	(a)  ¨
	(b)  ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5    SOLE VOTING POWER
	67,487 (See Item 4)
	6    SHARED VOTING POWER
	None (See Item 4)
	7    SOLE DISPOSITIVE POWER
	67,487 (See Item 4)
	8    SHARED DISPOSITIVE POWER
	None (See Item 4)

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	67,487 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*	¨
	Not Applicable
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	.21%
12	TYPE OF REPORTING PERSON*
	OO

* SEE INSTRUCTIONS BEFORE FILLING OUT.

CUSIP No. 232674507 Page 7 of 14 Pages

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)
	Dmitry Balyasny
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
	(a)  ¨
	(b)  ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5    SOLE VOTING POWER
	67,487 (See Item 4)
	6    SHARED VOTING POWER
	None (See Item 4)
	7    SOLE DISPOSITIVE POWER
	67,487 (See Item 4)
	8    SHARED DISPOSITIVE POWER
	None (See Item 4)

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	67,487 (See Item 4)
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*	¨
	Not Applicable
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	.21%
12	TYPE OF REPORTING PERSON*
	IN

* SEE INSTRUCTIONS BEFORE FILLING OUT.

Item 1	(a)	Name of Issuer:
		Cypress Bioscience, Inc. (the “Company”)
	(b)	Address of Issuer’s Principal Executive Offices:
		4350 Executive Drive, Suite 325 San Diego, CA 92121
Item 2	(a) – (c)	This statement is filed on behalf of the following:
		(1) Atlas Master Fund, Ltd., a Cayman Islands corporation (“AMF”), with its principal business office at c/o Walkers SPV Limited, Walker House, P.O. Box 908 GT, George Town, Grand Cayman, Cayman Islands, British West Indies.
		(2) Atlas Global, LLC, a Delaware limited liability company (“AG”), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. AG owns 16.82% of the equity interests in AMF.
		(3) Atlas Global Investments, Ltd., a Cayman Islands corporation (“AGI1”), with its principal business office at c/o Walkers SPV Limited, Walker House, P.O. Box 908 GT, George Town, Grand Cayman, Cayman Islands, British West Indies. AGI1 owns 74.72% of the equity interests in AMF.
		(4) Atlas Global Investments II, Ltd., a Cayman Islands corporation (“AGI2”), with its principal business office at c/o Walkers SPV Limited, Walker House, P.O. Box 908 GT, George Town, Grand Cayman, Cayman Islands, British West Indies. AGI2 owns 8.46% of the equity interests in AMF.
		(5) Balyasny Asset Management L.P., a Delaware limited partnership (“BAM”), with its principal business office at 181 West Madison, Suite 3600, Chicago, IL 60602. BAM is the sole managing member of AG, the investment advisor to each of AG, AGI1 and AGI2 and the investment subadvisor to each of VBF, VLBF, VBFO and VLBFO.
		(6) Dmitry Balyasny, a United States citizen whose business address is 181 West Madison, Suite 3600, Chicago, IL 60602. Dmitry Balyasny is the sole managing member of the general partner of BAM.
	(d)	Title of Class of Securities:
		Common Stock, Par Value $0.001 Per Share
	(e)	CUSIP Number:
		232674507

Page 8 of 14 Pages

Item 3	If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:
	Not Applicable
Item 4	Ownership:
	AMF
	(a)	Amount Beneficially Owned:
		67,487 shares
	(b)	Percent of Class:
		.21%
	(c)	Number of Shares as to which person has:
		(i)	sole power to vote or to direct vote:
			67,487 shares
		(ii)	shared power to vote or to direct vote:
			None
		(iii)	sole power to dispose or direct disposition of:
			67,487 shares
		(iv)	shared power to dispose or to direct disposition of:
			None
		AG
	(a)	Amount Beneficially Owned:
		By virtue of its ownership of 12.11% of the equity interest in AMF, AG may be deemed to beneficially own the 67,487 shares of the Company’s Common Stock beneficially owned by AMF.
	(b)	Percent of Class:
		.21%

Page 9 of 14 Pages

(c)	Number of Shares as to which person has:
	(i)	sole power to vote or to direct vote:
		None
	(ii)	shared power to vote or to direct vote:
		67,487 shares
	(iii)	sole power to dispose or direct disposition of:
		None
	(iv)	shared power to dispose or to direct disposition of:
		67,487 shares
AGI1
(a)	Amount Beneficially Owned:
	By virtue of its ownership of 80.60% of the equity interest in AMF, AGI1 may be deemed to beneficially own the 67,487 shares of the Company’s Common Stock beneficially owned by AMF.
(b)	Percent of Class:
	.21%
(c)	Number of Shares as to which person has:
	(i)	sole power to vote or to direct vote:
		None
	(ii)	shared power to vote or to direct vote:
		67,487 shares
	(iii)	sole power to dispose or direct disposition of:
		None

Page 10 of 14 Pages

	(iv)	shared power to dispose or to direct disposition of:
		67,487 shares
AGI2
(a)	Amount Beneficially Owned:
	By virtue of its ownership of 7.29% of the equity interest in AMF, AGI2 may be deemed to beneficially own the 67,487 shares of the Company’s Common Stock beneficially owned by AMF.
(b)	Percent of Class:
	.21%
(c)	Number of Shares as to which person has:
	(i)	sole power to vote or to direct vote:
		None
	(ii)	shared power to vote or to direct vote:
		67,487 shares
	(iii)	sole power to dispose or direct disposition of:
		None
	(iv)	shared power to dispose or to direct disposition of:
		67,487 shares
BAM
(a)	Amount Beneficially Owned:
	By virtue of its position as investment advisor to each of AG, AGI1 and AGI2 and its role as sole managing member of AG, BAM may be deemed to beneficially own the 67,487 shares of the Company’s Common Stock beneficially owned by AG, AGI1 and AGI2.
(b)	Percent of Class:
	.21%

Page 11 of 14 Pages

(c)	Number of Shares as to which person has:
	(i)	sole power to vote or to direct vote:
		67,487 shares
	(ii)	shared power to vote or to direct vote:
		None
	(iii)	sole power to dispose or direct disposition of:
		67,487 shares
	(iv)	shared power to dispose or to direct disposition of:
		None
Dmitry Balyasny
(a)	Amount Beneficially Owned:
	By virtue of his position as the sole managing member of the general partner of BAM, Mr. Balyasny may be deemed to beneficially own the 67,487 shares of the Company’s Common Stock beneficially owned by BAM.
(b)	Percent of Class:
	.21%
(c)	Number of Shares as to which person has:
	(i)	sole power to vote or to direct vote:
		67,487 shares
	(ii)	shared power to vote or to direct vote:
		None
	(iii)	sole power to dispose or direct disposition of:
		67,487 shares

Page 12 of 14 Pages

	(iv)	shared power to dispose or to direct disposition of:
		None
Item 5	Ownership of Five Percent or Less of a Class:
	Not Applicable
Item 6	Ownership of More than Five Percent on Behalf of Another Person:
	Not Applicable
Item 7	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company:
	Not Applicable
Item 8	Identification and Classification of Members of the Group:
	Not Applicable
Item 9	Notice of Dissolution of Group:
	Not Applicable
Item 10	Certification:
	By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

Page 13 of 14 Pages

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: February 5, 2007

ATLAS MASTER FUND, LTD.
By:	/s/ Scott Schroeder
	Scott Schroeder
	Authorized Signatory
ATLAS GLOBAL, LLC
By:	/s/ Scott Schroeder
	Scott Schroeder
	Authorized Signatory
ATLAS GLOBAL INVESTMENTS, LTD.
By:	/s/ Scott Schroeder
	Scott Schroeder
	Authorized Signatory
ATLAS GLOBAL INVESTMENTS II, LTD.
By:	/s/ Scott Schroeder
	Scott Schroeder
	Authorized Signatory
BALYASNY ASSET MANAGEMENT L.P.
By:	/s/ Scott Schroeder
	Scott Schroeder
	Authorized Signatory
DMITRY BALYASNY
By:	/s/ Scott Schroeder
	Scott Schroeder
	Authorized Representative and Executive Officer
	Managing Director of Finance and General Counsel

Page 14 of 14 Pages