SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                ----------------

                                  SCHEDULE 13G
                                 (Rule 13d-102)

                                ----------------

    INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d-1(b), (c)
        AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE
                         SECURITIES EXCHANGE ACT OF 1934

                                  AFFYMAX, INC.
                                (Name of Issuer)

                         COMMON STOCK, $0.001 PAR VALUE
                         (Title of Class of Securities)

                                    00826A109
                                 (CUSIP Number)

                                  March 5, 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 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 (the "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).





Schedule 13G
CUSIP No. 00826A109                                                PAGE 2 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Davidson Kempner Partners
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          New York
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    16,127
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    16,127
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    16,127
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    0.1%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    PN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 3 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Davidson Kempner Institutional Partners, L.P.
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          Delaware
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    56,389
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    56,389
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    56,389
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    0.4%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    PN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 4 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         M. H. Davidson & Co.
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          New York
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    4,537
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    4,537
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    4,537
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    0.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    PN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 5 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Davidson Kempner International, Ltd.
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          British Virgin Islands
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    94,683
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    94,683
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    94,683
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    0.7%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    CO
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 6 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Serena Limited
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          Cayman Islands
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    2,131
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    2,131
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    2,131
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    0.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    CO
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 7 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Davidson Kempner Healthcare Fund LP
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          Delaware
--------------------------------------------------------------------------------

NUMBER OF         (5)     SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY      (6)     SHARED VOTING POWER
                                    240,590
OWNED BY             -----------------------------------------------------------

EACH              (7)     SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH       (8)     SHARED DISPOSITIVE POWER
                                    240,590
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    240,590
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    1.7%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    PN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 8 OF 42

--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Davidson Kempner Healthcare International Ltd.
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          Cayman Islands
--------------------------------------------------------------------------------

NUMBER OF         (5)     SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY      (6)     SHARED VOTING POWER
                                    305,910
OWNED BY             -----------------------------------------------------------

EACH              (7)     SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH       (8)     SHARED DISPOSITIVE POWER
                                    305,910
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    305,910
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    2.1%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    CO
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 9 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         MHD Management Co.
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          New York
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    16,127
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    16,127
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    16,127
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    0.1%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    PN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 10 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Davidson Kempner Advisers Inc.
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          New York
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    56,389
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    56,389
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    56,389
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    0.4%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    IA
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 11 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Davidson Kempner International Advisors, L.L.C.
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                            (a) [ ]
                                                            (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          Delaware
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    96,814
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    96,814
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    96,814
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    0.7%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    OO
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 12 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         DK Group LLC
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          Delaware
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    240,590
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    240,590
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    240,590
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    1.7%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    OO
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 13 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         DK Management Partners LP
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                            (a) [ ]
                                                            (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          Delaware
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    305,910
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    305,910
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    305,910
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    2.1%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    PN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 14 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         DK Stillwater GP LLC
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          Delaware
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    305,910
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    305,910
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    305,910
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    2.1%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    OO
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 15 OF 42

--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Thomas L. Kempner, Jr.
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          United States
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    720,367
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    720,367
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    720,367
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    5.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    IN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 16 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Marvin H. Davidson
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          United States
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    720,367
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    720,367
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    720,367
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    5.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                          IN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 17 OF 42

--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Stephen M. Dowicz
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          United States
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    720,367
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    720,367
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    720,367
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    5.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    IN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 18 OF 42

--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Scott E. Davidson
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          United States
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    720,367
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    720,367
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    720,367
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    5.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    IN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 19 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Michael J. Leffell
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          United States
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    720,367
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    720,367
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    720,367
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    5.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    IN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 20 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Timothy I. Levart
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                         United Kingdom & United States
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    720,367
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    720,367
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    720,367
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    5.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    IN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 21 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Robert J. Brivio, Jr.
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          United States
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    720,367
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    720,367
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    720,367
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    5.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    IN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 22 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Eric P. Epstein
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                            (a) [ ]
                                                            (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          United States
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    720,367
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    720,367
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    720,367
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    5.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    IN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 23 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Anthony A. Yoseloff
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                            (a) [ ]
                                                            (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          United States
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    720,367
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    720,367
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    720,367
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    5.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    IN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 24 OF 42


--------------------------------------------------------------------------------
(1)      NAME OF REPORTING PERSON
         S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
         Avram Z. Friedman
--------------------------------------------------------------------------------
(2)      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                           (a) [ ]
                                                           (b) [X]
--------------------------------------------------------------------------------
(3)      SEC USE ONLY
--------------------------------------------------------------------------------
(4)      CITIZENSHIP OR PLACE OF ORGANIZATION
                          United States
--------------------------------------------------------------------------------

NUMBER OF            (5)  SOLE VOTING POWER
                                    0
SHARES               -----------------------------------------------------------

BENEFICIALLY         (6)  SHARED VOTING POWER
                                    720,367
OWNED BY             -----------------------------------------------------------

EACH                 (7)  SOLE DISPOSITIVE POWER
                                    0
REPORTING            -----------------------------------------------------------

PERSON WITH          (8)  SHARED DISPOSITIVE POWER
                                    720,367
--------------------------------------------------------------------------------
         (9)      AGGREGATE AMOUNT BENEFICIALLY OWNED
                  BY EACH REPORTING PERSON
                                    720,367
--------------------------------------------------------------------------------
         (10)     CHECK BOX IF THE AGGREGATE AMOUNT
                  IN ROW (9) EXCLUDES CERTAIN SHARES                         [ ]
--------------------------------------------------------------------------------
         (11)     PERCENT OF CLASS REPRESENTED
                  BY AMOUNT IN ROW (9)
                                    5.0%
--------------------------------------------------------------------------------
         (12)     TYPE OF REPORTING PERSON
                                    IN
--------------------------------------------------------------------------------




Schedule 13G
CUSIP No. 00826A109                                                PAGE 25 OF 42


------------------------------------------------------------------------------


ITEM 1(a).        NAME OF ISSUER:

                  Affymax, Inc. (the "Company")

ITEM 1(b).        ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

                  4001 Miranda Avenue
                  Palo Alto, CA 94304

ITEM 2(a).        NAME OF PERSON FILING:

         This Statement is filed by each of the entities and persons listed
below, all of whom together are referred to herein as the "Reporting Persons":

                  (i)     Davidson Kempner Partners, a New York limited
                          partnership ("DKP");

                  (ii)    Davidson Kempner Institutional Partners, L.P., a
                          Delaware limited partnership ("DKIP");

                  (iii)   M. H. Davidson & Co., a New York limited partnership
                          ("CO");

                  (iv)    Davidson Kempner International, Ltd., a British Virgin
                          Islands corporation ("DKIL");

                  (v)     Serena Limited, a Cayman Islands corporation
                          ("Serena");

                  (vi)    Davidson Kempner Healthcare Fund LP, a Delaware
                          limited partnership ("DKHF");

                  (vii)   Davidson Kempner Healthcare International Ltd., a
                          Cayman Islands corporation ("DKHI");

                  (viii)  MHD Management Co., a New York limited partnership and
                          the general partner of DKP ("MHD");

                  (ix)    Davidson Kempner Advisers Inc., a New York corporation
                          and the general partner of DKIP ("DKAI"), which is
                          registered as an investment adviser with the U.S.
                          Securities and Exchange Commission;

                  (x)     Davidson Kempner International Advisors, L.L.C., a
                          Delaware limited liability company and the manager of
                          DKIL and Serena ("DKIA");

                  (xi)    DK Group LLC, a Delaware limited liability company and
                          the general partner of DKHF ("DKG");

                  (xii)   DK Management Partners LP, a Delaware limited
                          partnership and the investment manager of DKHI
                          ("DKMP");


Schedule 13G
CUSIP No. 00826A109                                                PAGE 26 OF 42


                  (xiii)  DK Stillwater GP LLC, a Delaware limited liability
                          company and the general partner of DKMP ("DKS"); and

                  (xiv)   Messrs. Thomas L. Kempner, Jr., Marvin H. Davidson,
                          Stephen M. Dowicz, Scott E. Davidson, Michael J.
                          Leffell, Timothy I. Levart, Robert J. Brivio, Jr.,
                          Anthony A. Yoseloff, Eric P. Epstein and Avram Z.
                          Friedman (collectively, the "Principals"), who are the
                          general partners of CO and MHD, the sole managing
                          members of DKIA and DKG and the sole stockholders of
                          DKAI. Messrs. Thomas L. Kempner, Jr. and Timothy I.
                          Levart are Executive Managing Member and Deputy
                          Executive Managing Member, respectively, of DKS. Each
                          of Messrs. Kempner and Levart, together with Messrs.
                          Marvin H. Davidson, Stephen M. Dowicz, Scott E.
                          Davidson, Michael J. Leffell, Robert J. Brivio, Jr.,
                          Anthony A. Yoseloff, Eric P. Epstein and Avram Z.
                          Friedman are limited partners of DKMP.

ITEM 2(b).        ADDRESS OF PRINCIPAL BUSINESS OFFICE:

         The address of the principal business office of each of the Reporting
Persons is c/o Davidson Kempner Partners, 65 East 55th Street, 19th Floor, New
York, New York 10022.

ITEM 2(c).        CITIZENSHIP:

                  (i) DKP - a New York limited partnership

                  (ii) DKIP - a Delaware limited partnership

                  (iii) CO - a New York limited partnership

                  (iv) DKIL - a British Virgin Islands corporation

                  (v) Serena - a Cayman Islands corporation

                  (vi) DKHF - a Delaware limited partnership

                  (vii) DKHI - a Cayman Islands corporation

                  (viii) MHD - a New York limited partnership

                  (ix) DKAI - a New York corporation

                  (x) DKIA - a Delaware limited liability company

                  (xi) DKG - a Delaware limited liability company

                  (xii) DKMP - a Delaware limited partnership

                  (xiii) DKS - a Delaware limited liability company

                  (xiv) Thomas L. Kempner, Jr. - United States



Schedule 13G
CUSIP No. 00826A109                                                PAGE 27 OF 42


                  (xv) Marvin H. Davidson - United States

                  (xvi) Stephen M. Dowicz - United States

                  (xvii) Scott E. Davidson - United States

                  (xviii) Michael J. Leffell - United States

                  (xix) Timothy I. Levart - United Kingdom & United States

                  (xx) Robert J. Brivio, Jr. - United States

                  (xxi) Eric P. Epstein - United States

                  (xxii) Anthony A. Yoseloff - United States

                  (xxiii) Avram Z. Friedman - United States

ITEM 2(d).  TITLE OF CLASS OF SECURITIES:

         COMMON STOCK, $0.001 PAR VALUE

ITEM 2(e).  CUSIP NUMBER:

         00826A109

ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO 13d-1(b) OR 13d-2(b) OR (c),
CHECK WHETHER THE PERSON FILING IS A:

                  (a) [ ]   Broker or dealer registered under Section 15 of the
                            Act;

                  (b) [ ]   Bank as defined in Section 3(a)(6) of the Act;

                  (c) [ ]   Insurance Company as defined in Section 3(a)(19) of
                            the Act;

                  (d) [ ]   Investment Company registered under Section 8 of the
                            Investment Company Act of 1940;

                  (e) [ ]   Investment Adviser registered under Section 203 of
                            the Investment Advisers Act of 1940:  see Rule
                            13d-1(b)(1)(ii)(E);

                  (f) [ ]   Employee Benefit Plan, Pension Fund which is
                            subject to the provisions of the Employee Retirement
                            Income Security Act of 1974 or Endowment Fund; see
                            Rule 13d-1(b)(1)(ii)(F);

                  (g) [ ]   Parent Holding Company, in accordance with Rule
                            13d-1(b)(ii)(G);

                  (h) [ ]   Savings Associations as defined in Section 3(b) of
                            the Federal Deposit Insurance Act;



Schedule 13G
CUSIP No. 00826A109                                                PAGE 28 OF 42


                  (i) [ ]   Church Plan that is excluded from the definition of
                            an investment company under Section 3(c)(14) of the
                            Investment Company Act of 1940;

                  (j) [ ]   Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

ITEM 4.     OWNERSHIP.

         The Principals may be deemed to beneficially own an aggregate of
720,367 shares as a result of their voting and dispositive power over the
720,367 shares beneficially owned by DKP, DKIP, DKIL, Serena, CO, DKHF and DKHI.

         DKIA may be deemed to beneficially own the 94,683 shares beneficially
owned by DKIL and the 2,131 shares beneficially owned by Serena as a result of
its voting and dispositive power over those shares. DKAI may be deemed to
beneficially own the 56,389 shares beneficially owned by DKIP as a result of its
voting and dispositive power over those shares. MHD may be deemed to
beneficially own the 16,127 shares beneficially owned by DKP as a result of its
voting and dispositive power over those shares. DKG may be deemed to
beneficially own the 240,590 shares beneficially owned by DKHF as a result of
its voting and dispositive power over those shares. DKMP and DKS may be deemed
to beneficially own the 305,910 shares beneficially owned by DKHI as a result of
their voting and dispositive power over those shares.

         A. DKP

              (a) Amount beneficially owned: 16,127

              (b) Percent of class: 0.1%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 16,127

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          16,127

         B. DKIP

              (a) Amount beneficially owned: 56,389

              (b) Percent of class: 0.4%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 56,389




Schedule 13G
CUSIP No. 00826A109                                                PAGE 29 OF 42


                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          56,389

         C. CO

              (a) Amount beneficially owned: 4,537

              (b) Percent of class: 0.0%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 4,537

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          4,537

         D. DKIL

              (a) Amount beneficially owned: 94,683

              (b) Percent of class: 0.7%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 94,683

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          94,683

         E. Serena

              (a) Amount beneficially owned: 2,131

              (b) Percent of class: 0.0%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 2,131

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          2,131



Schedule 13G
CUSIP No. 00826A109                                                PAGE 30 OF 42


         F. DKHF

              (a) Amount beneficially owned: 240,590

              (b) Percent of class: 1.7%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 240,590

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          240,590

         G. DKHI

              (a) Amount beneficially owned: 305,910

              (b) Percent of class: 2.1%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 305,910

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          305,910

         H. MHD

              (a) Amount beneficially owned: 16,127

              (b) Percent of class: 0.1%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 16,127

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          16,127



Schedule 13G
CUSIP No. 00826A109                                                PAGE 31 OF 42


         I. DKAI

              (a) Amount beneficially owned: 56,389

              (b) Percent of class: 0.4%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 56,389

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          56,389

         J. DKIA

              (a) Amount beneficially owned: 96,814

              (b) Percent of class: 0.7%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 96,814

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          96,814

         K. DKG

              (a) Amount beneficially owned: 240,590

              (b) Percent of class: 1.7%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 240,590

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          240,590



Schedule 13G
CUSIP No. 00826A109                                                PAGE 32 OF 42


         L. DKMP

              (a) Amount beneficially owned: 305,910

              (b) Percent of class: 2.1%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 305,910

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          305,910

         M. DKS

              (a) Amount beneficially owned: 305,910

              (b) Percent of class: 2.1%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 305,910

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          305,910

         N. Thomas L. Kempner, Jr.

              (a) Amount beneficially owned: 720,367

              (b) Percent of class: 5.0%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 720,367

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          720,367



Schedule 13G
CUSIP No. 00826A109                                                PAGE 33 OF 42


         O. Marvin H. Davidson

              (a) Amount beneficially owned: 720,367

              (b) Percent of class: 5.0%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 720,367

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          720,367

         P. Stephen M. Dowicz

              (a) Amount beneficially owned: 720,367

              (b) Percent of class: 5.0%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 720,367

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          720,367

         Q. Scott E. Davidson

              (a) Amount beneficially owned: 720,367

              (b) Percent of class: 5.0%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 720,367

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          720,367



Schedule 13G
CUSIP No. 00826A109                                                PAGE 34 OF 42


         R. Michael J. Leffell

              (a) Amount beneficially owned. 720,367

              (b) Percent of class: 5.0%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 720,367

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          720,367

         S. Timothy I. Levart

              (a) Amount beneficially owned: 720,367

              (b) Percent of class: 5.0%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 720,367

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          720,367

         T. Robert J. Brivio, Jr.

              (a) Amount beneficially owned: 720,367

              (b) Percent of class: 5.0%

              (c) Number of shares as to which such person has:

                  (i)   sole power to vote or to direct the vote: 0

                  (ii)  shared power to vote or to direct the vote: 720,367

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv)  shared power to dispose or to direct the disposition:
                          720,367



Schedule 13G
CUSIP No. 00826A109                                                PAGE 35 OF 42


         U. Eric P. Epstein

              (a) Amount beneficially owned: 720,367

              (b) Percent of class: 5.0%

              (c) Number of shares as to which such person has:

                  (i) sole power to vote or to direct the vote: 0

                  (ii) shared power to vote or to direct the vote: 720,367

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv) shared power to dispose or to direct the disposition:
                         720,367

         V. Anthony A. Yoseloff

              (a) Amount beneficially owned: 720,367

              (b) Percent of class: 5.0%

              (c) Number of shares as to which such person has:

                  (i) sole power to vote or to direct the vote: 0

                  (ii) shared power to vote or to direct the vote: 720,367

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv) shared power to dispose or to direct the disposition:
                         720,367

         W. Avram Z. Friedman

              (a) Amount beneficially owned: 720,367

              (b) Percent of class: 5.0%

              (c) Number of shares as to which such person has:

                  (i) sole power to vote or to direct the vote: 0

                  (ii) shared power to vote or to direct the vote: 720,367

                  (iii) sole power to dispose or to direct the disposition: 0

                  (iv) shared power to dispose or to direct the disposition:
                         720,367



Schedule 13G
CUSIP No. 00826A109                                                PAGE 36 OF 42


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.

      The partners, members or stockholders of each of the Reporting Persons,
including the Principals, have the right to participate in the receipt of
dividends from, or proceeds from the sale of, the securities held for the
account of such Reporting Person in accordance with their ownership interests in
such Reporting Person. The Reporting Persons disclaim all beneficial ownership
as affiliates of a registered investment adviser, and, in any case, disclaim
beneficial ownership except as to the extent of their pecuniary interest in the
shares. The Reporting Persons have elected to file Schedule 13G although such
filing may not be required under the Act.

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.

         See Item 4.

ITEM 9.  NOTICE OF DISSOLUTION OF GROUP.

         Not applicable.

ITEM 10. CERTIFICATION.  (if filing pursuant to Rule 13d-1(c))

      Each of the Reporting Persons hereby makes the following certification:

      By signing below we certify that, to the best of our 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.




Schedule 13G
CUSIP No. 00826A109                                                PAGE 37 OF 42


                                   SIGNATURES

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

DATED:  March 14, 2007                  DAVIDSON KEMPNER PARTNERS
                                        By: MHD Management Co.,
                                        its General Partner

                                        /s/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Managing Partner

                                        DAVIDSON KEMPNER INSTITUTIONAL PARTNERS,
                                        L.P.
                                        By: Davidson Kempner Advisers Inc.,
                                        its General Partner

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: President

                                        M.H. DAVIDSON & CO.

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Managing Partner

                                        DAVIDSON KEMPNER INTERNATIONAL, LTD.
                                        By: Davidson Kempner International
                                        Advisors, L.L.C.,
                                        its Investment Manager

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        SERENA LIMITED
                                        By: Davidson Kempner International
                                        Advisors, L.L.C.,
                                        its Investment Manager

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member



Schedule 13G
CUSIP No. 00826A109                                                PAGE 38 OF 42


                                        DAVIDSON KEMPNER HEALTHCARE FUND LP
                                        By:  DK Group LLC,
                                        its General Partner

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        DAVIDSON KEMPNER HEALTHCARE
                                        INTERNATIONAL LTD.
                                        By:  DK Management Partners LP,
                                        its Investment Manager
                                        By:  DK Stillwater GP LLC, its general
                                        partner

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        MHD MANAGEMENT CO.

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Managing Partner

                                        DAVIDSON KEMPNER ADVISERS INC.

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: President

                                        DAVIDSON KEMPNER INTERNATIONAL ADVISORS,
                                        L.L.C.

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        DK GROUP LLC

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member



Schedule 13G
CUSIP No. 00826A109                                                PAGE 39 OF 42


                                        DK MANAGEMENT PARTNERS LP
                                        By:  DK Stillwater GP LLC, its general
                                        partner

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        DK STILLWATER GP LLC

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Thomas L. Kempner, Jr.

                                        /S/ MARVIN H. DAVIDSON
                                        ---------------------------------
                                        Marvin H. Davidson

                                        /S/ STEPHEN M. DOWICZ
                                        ---------------------------------
                                        Stephen M. Dowicz

                                        /S/ SCOTT E. DAVIDSON
                                        ---------------------------------
                                        Scott E. Davidson

                                        /S/ MICHAEL J. LEFFELL
                                        Michael J. Leffell

                                        /S/ TIMOTHY I. LEVART
                                        ---------------------------------
                                        Timothy I. Levart

                                        /S/ ROBERT J. BRIVIO, JR.
                                        -------------------------
                                        Robert J. Brivio, Jr.

                                        /S/ ERIC P. EPSTEIN
                                        ---------------------------------
                                        Eric P. Epstein

                                        /S/ ANTHONY A. YOSELOFF
                                        ---------------------------------
                                        Anthony A. Yoseloff

                                        /S/ AVRAM Z. FRIEDMAN
                                        ---------------------------------
                                        Avram Z. Friedman



Schedule 13G
CUSIP No. 00826A109                                                PAGE 40 OF 42

                                    EXHIBIT 1

                           JOINT ACQUISITION STATEMENT

                            PURSUANT TO RULE 13d-1(k)

     The  undersigned  acknowledge  and agree that the  foregoing  statement  on
Schedule  13G is  filed  on  behalf  of each of the  undersigned  and  that  all
subsequent  amendments  to this  statement  on Schedule  13G,  shall be filed on
behalf of each of the  undersigned  without the  necessity of filing  additional
joint  acquisition  statements.  The undersigned  acknowledge that each shall be
responsible for the timely filing of such  amendments,  and for the completeness
and accuracy of the  information  concerning  him or it contained  therein,  but
shall not be responsible  for the  completeness  and accuracy of the information
concerning the others,  except to the extent that he or it knows or has reason
to believe that such information is inaccurate.

DATED:  March 14, 2007                  DAVIDSON KEMPNER PARTNERS
                                        By: MHD Management Co.,
                                        its General Partner

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Managing Partner

                                        DAVIDSON KEMPNER INSTITUTIONAL PARTNERS,
                                        L.P.
                                        By: Davidson Kempner Advisers Inc.,
                                        its General Partner

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: President

                                        M.H. DAVIDSON & CO.

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Managing Partner

                                        DAVIDSON KEMPNER INTERNATIONAL, LTD.
                                        By: Davidson Kempner International
                                        Advisors, L.L.C.,
                                        its Investment Manager

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member



Schedule 13G
CUSIP No. 00826A109                                                PAGE 41 OF 42


                                        SERENA LIMITED
                                        By: Davidson Kempner International
                                        Advisors, L.L.C.,
                                        its Investment Manager

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        DAVIDSON KEMPNER HEALTHCARE FUND LP
                                        By:  DK Group LLC,
                                        its General Partner

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        DAVIDSON KEMPNER HEALTHCARE
                                        INTERNATIONAL LTD.
                                        By:  DK Management Partners LP,
                                        its Investment Manager
                                        By:  DK Stillwater GP LLC, its general
                                        partner

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        MHD MANAGEMENT CO.

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Managing Partner

                                        DAVIDSON KEMPNER ADVISERS INC.

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: President

                                        DAVIDSON KEMPNER INTERNATIONAL ADVISORS,
                                        L.L.C.

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member



Schedule 13G
CUSIP No. 00826A109                                                PAGE 42 OF 42

                                        DK GROUP LLC

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        DK MANAGEMENT PARTNERS LP
                                        By:  DK Stillwater GP LLC, its general
                                        partner

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        DK STILLWATER GP LLC

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Name:  Thomas L. Kempner, Jr.
                                        Title: Executive Managing Member

                                        /S/ THOMAS L. KEMPNER, JR.
                                        ---------------------------------
                                        Thomas L. Kempner, Jr.

                                        /S/ MARVIN H. DAVIDSON
                                        ---------------------------------
                                        Marvin H. Davidson

                                        /S/ STEPHEN M. DOWICZ
                                        ---------------------------------
                                        Stephen M. Dowicz

                                        /S/ SCOTT E. DAVIDSON
                                        ---------------------------------
                                        Scott E. Davidson

                                        /S/ MICHAEL J. LEFFELL
                                        ---------------------------------
                                        Michael J. Leffell

                                        /S/ TIMOTHY I. LEVART
                                        ---------------------------------
                                        Timothy I. Levart

                                        /S/ ROBERT J. BRIVIO, JR.
                                        -------------------------
                                        Robert J. Brivio, Jr.

                                        /S/ ERIC P. EPSTEIN
                                        ---------------------------------
                                        Eric P. Epstein

                                        /S/ ANTHONY A. YOSELOFF
                                        ---------------------------------
                                        Anthony A. Yoseloff

                                        /S/ AVRAM Z. FRIEDMAN
                                        ---------------------------------
                                        Avram Z. Friedman