SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

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

                                 SCHEDULE 13G/A
                                 (Rule 13d-102)

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

                                 Amendment No. 1

    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

                         ALEXION PHARMACEUTICALS, INC.
                                (Name of Issuer)

                         COMMON STOCK, PAR VALUE $0.0001
                         (Title of Class of Securities)

                                    015351109
                                 (CUSIP Number)

                                December 31, 2008
             (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/A
CUSIP No. 015351109                                              PAGE 2 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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/A
CUSIP No. 015351109                                              PAGE 3 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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/A
CUSIP No. 015351109                                              PAGE 4 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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/A
CUSIP No. 015351109                                              PAGE 5 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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/A
CUSIP No. 015351109                                              PAGE 6 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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/A
CUSIP No. 015351109                                              PAGE 7 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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/A
CUSIP No. 015351109                                              PAGE 8 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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/A
CUSIP No. 015351109                                              PAGE 9 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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/A
CUSIP No. 015351109                                              PAGE 10 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IA
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 11 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  OO
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 12 OF 44

-----------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  OO
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 13 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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/A
CUSIP No. 015351109                                              PAGE 14 OF 44

-----------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  OO
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 15 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 16 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 17 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 18 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 19 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 20 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 21 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 22 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 23 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 24 OF 44

------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 25 OF 44

------------------------------------------------------------------------------
(1)    NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
       Conor Bastable
------------------------------------------------------------------------------
(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
                                  0
OWNED BY          ____________________________________________________________

EACH              (7)   SOLE DISPOSITIVE POWER
                                  0
REPORTING         ____________________________________________________________

PERSON WITH       (8)   SHARED DISPOSITIVE POWER
                                  0
------------------------------------------------------------------------------
(9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
       BY EACH REPORTING PERSON
                                  0
------------------------------------------------------------------------------
(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
                                  IN
------------------------------------------------------------------------------





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 26 OF 44

ITEM 1(a).     NAME OF ISSUER:

               Alexion Pharmaceuticals, Inc. (the "Company")

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

               352 Knotter Drive
               Cheshire, CT 06410

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/A
CUSIP No. 015351109                                              PAGE 27 OF 44

               (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, Avram Z. Friedman
                        and Conor Bastable(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, Avram Z. Friedman
                        and Conor Bastable 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/A
CUSIP No. 015351109                                              PAGE 28 OF 44

               (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

               (xxiv) Conor Bastable - United States

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

     COMMON STOCK, PAR VALUE $0.0001

ITEM 2(e).     CUSIP NUMBER:

     015351109

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 15of 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/A
CUSIP No. 015351109                                              PAGE 29 OF 44

               (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.

      A. DKP

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      B. DKIP

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      C. CO

         (a) Amount beneficially owned: 0

         (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: 0

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





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 30 OF 44

             (iv)  shared power to dispose or to direct the disposition: 0

      D. DKIL

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      E. Serena

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      F. DKHF

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      G. DKHI

         (a) Amount beneficially owned: 0





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 31 OF 44

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      H. MHD

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      I. DKAI

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      J. DKIA

         (a) Amount beneficially owned: 0

         (b) Percent of class: 0.0%





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 32 OF 44

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      K. DKG

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      L. DKMP

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      M. DKS

         (a) Amount beneficially owned: 0

         (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





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 33 OF 44

             (ii)  shared power to vote or to direct the vote: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      N. Thomas L. Kempner, Jr.

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      O. Marvin H. Davidson

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      P. Stephen M. Dowicz

         (a) Amount beneficially owned: 0

         (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: 0

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





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 34 OF 44

             (iv)  shared power to dispose or to direct the disposition: 0

      Q. Scott E. Davidson

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      R. Michael J. Leffell

         (a) Amount beneficially owned. 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      S. Timothy I. Levart

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 35 OF 44

      T. Robert J. Brivio, Jr.

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      U. Eric P. Epstein

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      V. Anthony A. Yoseloff

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      W. Avram Z. Friedman

         (a) Amount beneficially owned: 0





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 36 OF 44

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

      X. Conor Bastable

         (a) Amount beneficially owned: 0

         (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: 0

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

             (iv)  shared power to dispose or to direct the disposition: 0

ITEM 5.   OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

          If this statement is being filed to report the fact that as of the
date hereof the reporting person has ceased to be the beneficial owner of more
than five percent of the class of securities, check the following [X].

ITEM 6.   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

          Not applicable.

ITEM 7.   IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
          THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

          Not applicable.

ITEM 8.   IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

          See Item 4.

ITEM 9.   NOTICE OF DISSOLUTION OF GROUP.





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 37 OF 44

          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/A
CUSIP No. 015351109                                              PAGE 38 OF 44

                                   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:  February 17, 2009           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/A
CUSIP No. 015351109                                              PAGE 39 OF 44

                                    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/A
CUSIP No. 015351109                                              PAGE 40 OF 44

                                    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

                                    /s/ Conor Bastable
                                    ---------------------------------
                                    Conor Bastable





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 41 OF 44

                                    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:  February 17, 2009           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/A
CUSIP No. 015351109                                              PAGE 42 OF 44

                                    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/A
CUSIP No. 015351109                                              PAGE 43 OF 44

                                    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





Schedule 13G/A
CUSIP No. 015351109                                              PAGE 44 OF 44

                                    /s/ Conor Bastable
                                    ---------------------------------
                                    Conor Bastable