sc13gza


	OMB APPROVAL
	OMB Number: 3235-0145
	Expires: February 28, 2009
	Estimated average burden hours per response...10.4

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 1)*

ASPREVA PHARMACEUTICALS CORPORATION

(Name of Issuer)

Common Stock

(Title of Class of Securities)

04538T 10 9

(CUSIP Number)

December 31, 2006

(Date of Event Which Requires Filing of this Statement)

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

o Rule 13d-1(b)

o Rule 13d-1(c)

þ 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 the disclosures provided in a prior cover page.

The information required in 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.		04538T 10 9


1	NAMES OF REPORTING PERSONS: InterWest Partners VII, LP

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	California

		5	SOLE VOTING POWER:

NUMBER OF			1,336,025

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			0

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			1,336,025

WITH:		8	SHARED DISPOSITIVE POWER:

			0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	1,336,025

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	3.8%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	PN

Page 2 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: InterWest Investors VII, LP

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	California

		5	SOLE VOTING POWER:

NUMBER OF			64,048

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			0

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			64,048

WITH:		8	SHARED DISPOSITIVE POWER:

			0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	64,048

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	0.2%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	PN

Page 3 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: InterWest Management Partners VII, LLC (the General Partner of InterWest Partners VII, LP and InterWest Investors VII, LP)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	California

		5	SOLE VOTING POWER:

NUMBER OF			1,400,073

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			0

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			1,400,073

WITH:		8	SHARED DISPOSITIVE POWER:

			0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	1,400,073

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	4.0%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	OO

Page 4 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: InterWest Partners VIII, LP

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	California

		5	SOLE VOTING POWER:

NUMBER OF			578,780

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			0

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			578,780

WITH:		8	SHARED DISPOSITIVE POWER:

			0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	578,780

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	1.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	PN

Page 5 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: InterWest Investors VIII, LP

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	California

		5	SOLE VOTING POWER:

NUMBER OF			4,610

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			0

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			4,610

WITH:		8	SHARED DISPOSITIVE POWER:

			0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	4,610

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	Less than 0.1%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	PN

Page 6 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: InterWest Investors Q VIII, LP

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	California

		5	SOLE VOTING POWER:

NUMBER OF			16,537

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			0

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			16,537

WITH:		8	SHARED DISPOSITIVE POWER:

			0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	16,537

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	Less than 0.1%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	PN

Page 7 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: InterWest Management Partners VIII, LLC (the General Partner of InterWest Partners VIII, LP, InterWest Investors VIII, LP, and InterWest Investors Q VIII, LP)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	California

		5	SOLE VOTING POWER:

NUMBER OF			599,927

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			0

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			599,927

WITH:		8	SHARED DISPOSITIVE POWER:

			0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	599,927

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	1.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	OO

Page 8 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: John C. Adler (a Ventura Member of InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			42

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			599,927

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			42

WITH:		8	SHARED DISPOSITIVE POWER:

			599,927

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	599,969

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	1.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by John C. Adler that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 9 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: Harvey B. Cash (a Managing Director of InterWest Management Partners VII, LLC and InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			641

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			2,000,000

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			641

WITH:		8	SHARED DISPOSITIVE POWER:

			2,000,000

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	2,000,641

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	5.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by Harvey B. Cash that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 10 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: Christopher B. Ehrlich (a Venture Member of InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			0

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			599,927

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			0

WITH:		8	SHARED DISPOSITIVE POWER:

			599,927

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	599,927

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	1.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by Christopher B. Ehrlich that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 11 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: Philip T. Gianos (a Managing Director of InterWest Management Partners VII, LLC and InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			279

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			2,000,000

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			279

WITH:		8	SHARED DISPOSITIVE POWER:

			2,000,000

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	2,000,279

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	5.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by Philip T. Gianos that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 12 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: W. Scott Hedrick (a Managing Director of InterWest Management Partners VII, LLC and InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			0

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			2,000,000

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			0

WITH:		8	SHARED DISPOSITIVE POWER:

			2,000,000

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	2,000,000

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	5.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by W. Scott Hedrick that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 13 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: W. Stephen Holmes III (a Managing Director of InterWest Management Partners VII, LLC and InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			387

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			2,000,000

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			387

WITH:		8	SHARED DISPOSITIVE POWER:

			2,000,000

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	2,000,387

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	5.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by W. Stephen Holmes III that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 14 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: Gilbert H. Kliman (a Managing Director of InterWest Management Partners VII, LLC and InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			888

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			2,000,000

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			888

WITH:		8	SHARED DISPOSITIVE POWER:

			2,000,000

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	2,000,888

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	5.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by Gilbert H. Kliman that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 15 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: H. Ronald Nash (a Venture Member of InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			61

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			599,927

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			61

WITH:		8	SHARED DISPOSITIVE POWER:

			599,927

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	599,988

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	1.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by H. Ronald Nash that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 16 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: Arnold L. Oronsky (a Managing Director of InterWest Management Partners VII, LLC and InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			21,419

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			2,000,000

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			21,419

WITH:		8	SHARED DISPOSITIVE POWER:

			2,000,000

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	2,021,419

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	5.8%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by Arnold L. Oronsky that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 17 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: Thomas L. Rosch (a Managing Director of InterWest Management Partners VII, LLC and InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			0

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			2,000,000

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			0

WITH:		8	SHARED DISPOSITIVE POWER:

			2,000,000

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	2,000,000

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	5.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by Thomas L. Rosch that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 18 of 24 Pages


CUSIP No.		04538T 10 9


1	NAMES OF REPORTING PERSONS: Michael B. Sweeney (a Managing Director of InterWest Management Partners VIII, LLC)

	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY):


2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
	(a) o
	(b) o

3	SEC USE ONLY:



4	CITIZENSHIP OR PLACE OF ORGANIZATION:

	United States

		5	SOLE VOTING POWER:

NUMBER OF			178

SHARES		6	SHARED VOTING POWER:
BENEFICIALLY
OWNED BY			599,927

EACH		7	SOLE DISPOSITIVE POWER:
REPORTING
PERSON			178

WITH:		8	SHARED DISPOSITIVE POWER:

			599,927

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

	600,105

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):

	o

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):

	1.7%

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

	IN

Neither the filing of this statement on Schedule 13G nor any of its contents shall be deemed to constitute an admission by Michael B. Sweeney that he is the beneficial owner of any of the Common Stock referred to herein for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed, except to the extent of his pecuniary interest.

Page 19 of 24 Pages


ITEM 1.

(a)		NAME OF ISSUER: Aspreva Pharmaceuticals Corporation

(b)		ADDRESS OF ISSUER’S PRINCIPAL EXECUTIVE OFFICE:

		4464 Markham Street, Suite 1203, Victoria, BC V8Z 7X8

ITEM 2.

(a)		NAME OF PERSON(S) FILING:

		InterWest Partners VII, LP (“IWP VII”)
		InterWest Investors VII, LP (“II VII”)
		InterWest Management Partners VII, LLC (“IMP VII”)
		InterWest Partners VIII, LP (“IWP VIII”)
		InterWest Investors VIII, LP (“II VIII”)
		InterWest Investors Q VIII, LP (“IIQ VIII”)
		InterWest Management Partners VIII, LLC (“IMP VIII”)
		John C. Adler (“Adler”)
		Harvey B. Cash (“Cash”)
		Christopher B. Ehrlich (“Ehrlich”)
		Philip T. Gianos (“Gianos”)
		W. Scott Hedrick (“Hedrick”)
		W. Stephen Holmes III (“Holmes”)
		Gilbert H. Kliman (“Kliman”)
		H. Ronald Nash (“Nash”)
		Arnold L. Oronsky (“Oronsky”)
		Thomas L. Rosch (“Rosch”)
		Michael B. Sweeney (“Sweeney”)

(b)		ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:

		2710 Sand Hill Road, Second Floor, Menlo Park, CA 94025

(c)		CITIZENSHIP/PLACE OF ORGANIZATION:


IWP VII:		California
II VII:		California
IMP VII:		California
IWP VIII:		California
II VIII:		California
IIQ VIII:		California
IMP VIII:		California
Adler:		United States
Cash:		United States
Ehrlich:		United States
Gianos:		United States
Hedrick:		United States
Holmes:		United States
Kliman:		United States
Nash:		United States
Oronsky:		United States
Rosch:		United States
Sweeney:		United States

Page 20 of 24 Pages


(d)		TITLE OF CLASS OF SECURITIES: Common Stock

(e)		CUSIP NUMBER: 04538T 10 9

ITEM 3. NOT APPLICABLE.

ITEM 4. OWNERSHIP.


	IWP VII			II VII			IMP VII (1)
Beneficial Ownership		1,336,025			64,048			1,400,073
Percentage of Class		3.8	%		0.2	%		4.0	%
Sole Voting Power		1,336,025			64,048			1,400,073
Shared Voting Power		0			0			0
Sole Dispositive Power		1,336,025			64,048			1,400,073
Shared Dispositive Power		0			0			0


	IWP VIII			II VIII		IIQ VIII		IMP VIII (2)
Beneficial Ownership		578,780			4,610		16,537		599,927
Percentage of Class		1.7	%	Less than 0.1%		Less than 0.1%			1.7	%
Sole Voting Power		578,780			4,610		16,537		599,927
Shared Voting Power		0			0		0		0
Sole Dispositive Power		578,780			4,610		16,537		599,927
Shared Dispositive Power		0			0		0		0


	Adler (3)			Cash (4)			Ehrlich (3)
Beneficial Ownership		599,969			2,000,641			599,927
Percentage of Class		1.7	%		5.7	%		1.7	%
Sole Voting Power		42			641			0
Shared Voting Power		599,927			2,000,000			599,927
Sole Dispositive Power		42			641			0
Shared Dispositive Power		599,927			2,000,000			599,927


	Gianos (4)			Hedrick (4)			Holmes (4)			Kliman (4)
Beneficial Ownership		2,000,279			2,000,000			2,000,387			2,000,888
Percentage of Class		5.7	%		5.7	%		5.7	%		5.7	%
Sole Voting Power		279			0			387			888
Shared Voting Power		2,000,000			2,000,000			2,000,000			2,000,000
Sole Dispositive Power		279			0			387			888
Shared Dispositive Power		2,000,000			2,000,000			2,000,000			2,000,000


	Nash (3)			Oronsky (4)(5)			Rosch (4)			Sweeney (3)
Beneficial Ownership		599,988			2,021,419			2,000,000			600,105
Percentage of Class		1.7	%		5.8	%		5.7	%		1.7	%
Sole Voting Power		61			21,419			0			178
Shared Voting Power		599,927			2,000,000			2,000,000			599,927
Sole Dispositive Power		61			21,419			0			178
Shared Dispositive Power		599,927			2,000,000			2,000,000			599,927

Page 21 of 24 Pages

ITEM 4. OWNERSHIP—Continued from prior page.

	(1)		IMP VII is the general partner of IWP VII and II VII.

	(2)		IMP VIII is the general partner of IWP VIII, II VIII and IIQ VIII.

	(3)		Sweeney is a Managing Director of IMP VIII. Adler, Ehrlich and Nash are Venture Members of IMP VIII.

	(4)		Cash, Gianos, Hedrick, Holmes, Kliman, Oronsky, and Rosch are Managing Directors of IMP VII and IMP VIII.

	(5)		Includes 19,999 shares issuable to Oronsky pursuant to outstanding options exercisable within 60 days of December 31, 2006

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.

Under certain circumstances set forth in the limited liability company operating agreements of IMP VII and IMP VIII, the members of such limited liability companies have the right to receive dividends from, or the proceeds from the sale of, the common stock of Issuer beneficially owned by such limited liability companies.

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.

No reporting person is a member of a group as defined in section 240.13d-1(b)(1)(iii)(H) of the Act.

ITEM 9. NOTICE OF DISSOLUTION OF THE GROUP.

Not applicable.

ITEM 10. CERTIFICATION.

Not applicable.

EXHIBITS

Joint Filing Statement attached as Exhibit A.

Page 22 of 24 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 14, 2007

INTERWEST PARTNERS VII, LP

By:

InterWest Management Partners VII, LLC

By:

/s/ John C. Adler

its General Partner

Name: John C. Adler

By:

/s/ W. Stephen Holmes

By:

/s/ Harvey B. Cash

Managing Director

Name: Harvey B. Cash

INTERWEST INVESTORS VII, LP

By:

/s/ Christopher B. Ehrlich

Name: Christopher B. Ehrlich

By:

InterWest Management Partners VII, LLC
its General Partner

By:

/s/ Philip T. Gianos

Name: Philip T. Gianos

By:

/s/ W. Stephen Holmes

Managing Director

By:

/s/ W. Scott Hedrick

Name: W. Scott Hedrick

INTERWEST PARTNERS VIII, LP

By:

/s/ W. Stephen Holmes

Name: W. Stephen Holmes

By:

InterWest Management Partners VIII, LLC
its General Partner

By:

/s/ Gilbert H. Kliman

Name: Gilbert H. Kliman

By:

/s/ W. Stephen Holmes

Managing Director

By:

/s/ H. Ronald Nash

Name: H. Ronald Nash

INTERWEST INVESTORS VIII, LP

By:

/s/ Arnold L. Oronsky

Name: Arnold L. Oronsky

By:

InterWest Management Partners VIII, LLC
Its General Partner

By:

/s/ Thomas L. Rosch

Name: Thomas L. Rosch

By:

/s/ W. Stephen Holmes

Managing Director

By:

/s/ Michael B. Sweeney

Name: Michael B. Sweeney

INTERWEST INVESTORS Q VIII, LP

INTERWEST MANAGEMENT PARTNERS VII, LLC

InterWest Management Partners VIII, LLC
Its General Partner

By:

/s/ W. Stephen Holmes

Managing Director

By:

/s/ W. Stephen Holmes

Managing Director

INTERWEST MANAGEMENT PARTNERS VIII, LLC

By:

/s/ W. Stephen Holmes

Managing Director

Page 23 of 24 Pages

EXHIBIT A

Joint Filing Statement

We, the undersigned, hereby express our agreement that the attached Schedule 13G is filed on behalf of each of us.

Date: February 14, 2007

INTERWEST PARTNERS VII, LP

By:

InterWest Management Partners VII, LLC

By:

/s/ John C. Adler

its General Partner

Name: John C. Adler

By:

/s/ W. Stephen Holmes

By:

/s/ Harvey B. Cash

Managing Director

Name: Harvey B. Cash

INTERWEST INVESTORS VII, LP

By:

/s/ Christopher B. Ehrlich

Name: Christopher B. Ehrlich

By:

InterWest Management Partners VII, LLC
its General Partner

By:

/s/ Philip T. Gianos

Name: Philip T. Gianos

By:

/s/ W. Stephen Holmes

Managing Director

By:

/s/ W. Scott Hedrick

Name: W. Scott Hedrick

INTERWEST PARTNERS VIII, LP

By:

/s/ W. Stephen Holmes

Name: W. Stephen Holmes

By:

InterWest Management Partners VIII, LLC
its General Partner

By:

/s/ Gilbert H. Kliman

Name: Gilbert H. Kliman

By:

/s/ W. Stephen Holmes

Managing Director

By:

/s/ H. Ronald Nash

Name: H. Ronald Nash

INTERWEST INVESTORS VIII, LP

By:

/s/ Arnold L. Oronsky

Name: Arnold L. Oronsky

By:

InterWest Management Partners VIII, LLC
Its General Partner

By:

/s/ Thomas L. Rosch

Name: Thomas L. Rosch

By:

/s/ W. Stephen Holmes

Managing Director

By:

/s/ Michael B. Sweeney

Name: Michael B. Sweeney

INTERWEST INVESTORS Q VIII, LP

INTERWEST MANAGEMENT PARTNERS VII, LLC

By:

InterWest Management Partners VIII, LLC
Its General Partner

By:

/s/ W. Stephen Holmes

Managing Director

By:

/s/ W. Stephen Holmes

Managing Director

INTERWEST MANAGEMENT PARTNERS VIII, LLC

By:

/s/ W. Stephen Holmes

Managing Director

Page 24 of 24 Pages