SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

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

                                  SCHEDULE 13G
                                 (Rule 13d-102)

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

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

                          CADENCE PHARMACEUTICALS, INC.
                                (Name of Issuer)

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

                                    12738T100
                                 (CUSIP Number)

                                  April 5, 2007
             (Date of Event Which Requires Filing of this Statement)

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

         [ ] Rule 13d-1(b)

         [X] Rule 13d-1(c)

         [ ] Rule 13d-1(d)

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

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

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





Schedule 13G
CUSIP No. 12738T100                                              PAGE 2 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               44,847
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               44,847
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               44,847
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               0.2%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               PN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 3 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               105,300
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               105,300
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               105,300
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               0.4%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               PN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 4 OF 42

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

NUMBER OF      (5)      SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)      SHARED VOTING POWER
                               9,926
OWNED BY       _______________________________________________________________

EACH           (7)      SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)      SHARED DISPOSITIVE POWER
                               9,926
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               9,926
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               0.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               PN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 5 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               184,748
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               184,748
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               184,748
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               0.6%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               CO
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 6 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               3,850
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               3,850
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               3,850
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               0.0%
- ------------------------------------------------------------------------------
    (12)   TYPE OF REPORTING PERSON
                               CO
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 7 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               455,855
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               455,855
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               455,855
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               1.6%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               PN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 8 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               652,074
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               652,074
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               652,074
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               2.2%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               CO
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 9 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               44,847
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               44,847
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               44,847
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               0.2%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               PN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 10 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               105,300
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               105,300
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               105,300
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               0.4%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IA
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 11 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               188,598
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               188,598
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               188,598
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               0.6%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               OO
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 12 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               455,855
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               455,855
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               455,855
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               1.6%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               OO
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 13 OF 42

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

NUMBER OF       (5)  SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               652,074
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               652,074
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               652,074
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               2.2%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               PN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 14 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               652,074
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               652,074
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               652,074
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               2.2%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               OO
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 15 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               1,456,600
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               1,456,600
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               1,456,600
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               5.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 16 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               1,456,600
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               1,456,600
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               1,456,600
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               5.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 17 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               1,456,600
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               1,456,600
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               1,456,600
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               5.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 18 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               1,456,600
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               1,456,600
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               1,456,600
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               5.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 19 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               1,456,600
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               1,456,600
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               1,456,600
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               5.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 20 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               1,456,600
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               1,456,600
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               1,456,600
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               5.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 21 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               1,456,600
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               1,456,600
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               1,456,600
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               5.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IN
- ------------------------------------------------------------------------------







Schedule 13G
CUSIP No. 12738T100                                              PAGE 22 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               1,456,600
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               1,456,600
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               1,456,600
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               5.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 23 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               1,456,600
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               1,456,600
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               1,456,600
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               5.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 24 OF 42

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

NUMBER OF      (5)   SOLE VOTING POWER
                               0
SHARES         _______________________________________________________________

BENEFICIALLY   (6)   SHARED VOTING POWER
                               1,456,600
OWNED BY       _______________________________________________________________

EACH           (7)   SOLE DISPOSITIVE POWER
                               0
REPORTING      _______________________________________________________________

PERSON WITH    (8)   SHARED DISPOSITIVE POWER
                               1,456,600
- ------------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
                               1,456,600
- ------------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES                            [ ]
- ------------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
                               5.0%
- ------------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON
                               IN
- ------------------------------------------------------------------------------





Schedule 13G
CUSIP No. 12738T100                                              PAGE 25 OF 42

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


ITEM 1(a).   NAME OF ISSUER:

             Cadence Pharmaceuticals, Inc. (the "Company")

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

             12481 HIGH BLUFF DRIVE, SUITE 200
             SAN DIEGO, CA 92130

ITEM 2(a).   NAME OF PERSON FILING:

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

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

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

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

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

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

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

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

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

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

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

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

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




Schedule 13G
CUSIP No. 12738T100                                              PAGE 26 OF 42

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

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

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

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

ITEM 2(c).   CITIZENSHIP:

             (i)     DKP - a New York limited partnership

             (ii)    DKIP - a Delaware limited partnership

             (iii)   CO - a New York limited partnership

             (iv)    DKIL - a British Virgin Islands corporation

             (v)     Serena - a Cayman Islands corporation

             (vi)    DKHF - a Delaware limited partnership

             (vii)   DKHI - a Cayman Islands corporation

             (viii)  MHD - a New York limited partnership

             (ix)    DKAI - a New York corporation

             (x)     DKIA - a Delaware limited liability company

             (xi)    DKG - a Delaware limited liability company

             (xii)   DKMP - a Delaware limited partnership

             (xiii)  DKS - a Delaware limited liability company

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





Schedule 13G
CUSIP No. 12738T100                                              PAGE 27 OF 42

             (xv)    Marvin H. Davidson - United States

             (xvi)   Stephen M. Dowicz - United States

             (xvii)  Scott E. Davidson -United States

             (xviii) Michael J. Leffell - United States

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

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

             (xxi)   Eric P. Epstein - United States

             (xxii)  Anthony A. Yoseloff - United States

             (xxiii) Avram Z. Friedman - United States

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

     COMMON STOCK, PAR VALUE $0.0001

ITEM 2(e).   CUSIP NUMBER:

     12738T100

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

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

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

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

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

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

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

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

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




Schedule 13G
CUSIP No. 12738T100                                              PAGE 28 OF 42

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

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

ITEM 4.   OWNERSHIP.

     The Principals may be deemed to beneficially own an aggregate of 1,456,600
shares as a result of their voting and dispositive power over the 1,456,600
shares beneficially owned by DKP, DKIP, DKIL, Serena, CO, DKHF and DKHI.

     DKIA may be deemed to beneficially own the 184,748 shares beneficially
owned by DKIL and the 3,850 shares beneficially owned by Serena as a result of
its voting and dispositive power over those shares. DKAI may be deemed to
beneficially own the 105,300 shares beneficially owned by DKIP as a result of
its voting and dispositive power over those shares. MHD may be deemed to
beneficially own the 44,847 shares beneficially owned by DKP as a result of its
voting and dispositive power over those shares. DKG may be deemed to
beneficially own the 455,855 shares beneficially owned by DKHF as a result of
its voting and dispositive power over those shares. DKMP and DKS may be deemed
to beneficially own the 652,074 shares beneficially owned by DKHI as a result of
their voting and dispositive power over those shares.

     A. DKP

       (a) Amount beneficially owned: 44,847

       (b) Percent of class: 0.2%

       (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: 44,847

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

           (iv)  shared power to dispose or to direct the disposition: 44,847

     B. DKIP

       (a) Amount beneficially owned: 105,300

       (b) Percent of class: 0.4%

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

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

           (ii)  shared power to vote or to direct the vote: 105,300




Schedule 13G
CUSIP No. 12738T100                                              PAGE 29 OF 42

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

           (iv)  shared power to dispose or to direct the disposition: 105,300

     C. CO

       (a) Amount beneficially owned: 9,926

       (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: 9,926

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

           (iv)  shared power to dispose or to direct the disposition: 9,926

     D. DKIL

       (a) Amount beneficially owned: 184,748

       (b) Percent of class: 0.6%

       (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: 184,748

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

           (iv)  shared power to dispose or to direct the disposition: 184,748

     E. Serena

       (a) Amount beneficially owned: 3,850

       (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: 3,850

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

           (iv)  shared power to dispose or to direct the disposition: 3,850




Schedule 13G
CUSIP No. 12738T100                                              PAGE 30 OF 42

     F. DKHF

       (a) Amount beneficially owned: 455,855

       (b) Percent of class: 1.6%

       (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: 455,855

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

           (iv)  shared power to dispose or to direct the disposition: 455,855

     G. DKHI

       (a) Amount beneficially owned: 652,074

       (b) Percent of class: 2.2%

       (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: 652,074

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

           (iv)  shared power to dispose or to direct the disposition: 652,074

     H. MHD

       (a) Amount beneficially owned: 44,847

       (b) Percent of class: 0.2%

       (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: 44,847

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

           (iv)  shared power to dispose or to direct the disposition: 44,847




Schedule 13G
CUSIP No. 12738T100                                              PAGE 31 OF 42

     I. DKAI

       (a) Amount beneficially owned: 105,300

       (b) Percent of class: 0.4%

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

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

           (ii)  shared power to vote or to direct the vote: 105,300

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

           (iv)  shared power to dispose or to direct the disposition: 105,300

     J. DKIA

       (a) Amount beneficially owned: 188,598

       (b) Percent of class: 0.6%

       (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: 188,598

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

           (iv)  shared power to dispose or to direct the disposition: 188,598

     K. DKG

       (a) Amount beneficially owned: 455,855

       (b) Percent of class: 1.6%

       (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: 455,855

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

           (iv)  shared power to dispose or to direct the disposition: 455,855




Schedule 13G
CUSIP No. 12738T100                                              PAGE 32 OF 42

     L. DKMP

       (a) Amount beneficially owned: 652,074

       (b) Percent of class: 2.2%

       (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: 652,074

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

           (iv)  shared power to dispose or to direct the disposition: 652,074

     M. DKS

       (a) Amount beneficially owned: 652,074

       (b) Percent of class: 2.2%

       (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: 652,074

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

           (iv)  shared power to dispose or to direct the disposition: 652,074

     N. Thomas L. Kempner, Jr.

       (a) Amount beneficially owned: 1,456,600

       (b) Percent of class: 5.0%

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

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

           (ii)  shared power to vote or to direct the vote: 1,456,600

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

           (iv)  shared power to dispose or to direct the disposition: 1,456,600




Schedule 13G
CUSIP No. 12738T100                                              PAGE 33 OF 42

     O. Marvin H. Davidson

       (a) Amount beneficially owned: 1,456,600

       (b) Percent of class: 5.0%

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

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

           (ii)  shared power to vote or to direct the vote: 1,456,600

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

           (iv)  shared power to dispose or to direct the disposition: 1,456,600

     P. Stephen M. Dowicz

       (a) Amount beneficially owned: 1,456,600

       (b) Percent of class: 5.0%

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

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

           (ii)  shared power to vote or to direct the vote: 1,456,600

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

           (iv)  shared power to dispose or to direct the disposition: 1,456,600

     Q. Scott E. Davidson

       (a) Amount beneficially owned: 1,456,600

       (b) Percent of class: 5.0%

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

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

           (ii)  shared power to vote or to direct the vote: 1,456,600

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

           (iv)  shared power to dispose or to direct the disposition: 1,456,600




Schedule 13G
CUSIP No. 12738T100                                              PAGE 34 OF 42

     R. Michael J. Leffell

       (a) Amount beneficially owned. 1,456,600

       (b) Percent of class: 5.0%

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

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

           (ii)  shared power to vote or to direct the vote: 1,456,600

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

           (iv)  shared power to dispose or to direct the disposition: 1,456,600

     S. Timothy I. Levart

       (a) Amount beneficially owned: 1,456,600

       (b) Percent of class: 5.0%

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

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

           (ii)  shared power to vote or to direct the vote: 1,456,600

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

           (iv)  shared power to dispose or to direct the disposition: 1,456,600

     T. Robert J. Brivio, Jr.

       (a) Amount beneficially owned: 1,456,600

       (b) Percent of class: 5.0%

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

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

           (ii)  shared power to vote or to direct the vote: 1,456,600

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

           (iv)  shared power to dispose or to direct the disposition: 1,456,600




Schedule 13G
CUSIP No. 12738T100                                              PAGE 35 OF 42

     U. Eric P. Epstein

       (a) Amount beneficially owned: 1,456,600

       (b) Percent of class: 5.0%

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

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

           (ii)  shared power to vote or to direct the vote: 1,456,600

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

           (iv)  shared power to dispose or to direct the disposition: 1,456,600

     V. Anthony A. Yoseloff

       (a) Amount beneficially owned: 1,456,600

       (b) Percent of class: 5.0%

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

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

           (ii)  shared power to vote or to direct the vote: 1,456,600

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

           (iv)  shared power to dispose or to direct the disposition: 1,456,600

     W. Avram Z. Friedman

       (a) Amount beneficially owned: 1,456,600

       (b) Percent of class: 5.0%

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

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

           (ii)  shared power to vote or to direct the vote: 1,456,600

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

           (iv)  shared power to dispose or to direct the disposition: 1,456,600





Schedule 13G
CUSIP No. 12738T100                                              PAGE 36 OF 42

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

          Not applicable.

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

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

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

          Not applicable.

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

          See Item 4.

ITEM 9.   NOTICE OF DISSOLUTION OF GROUP.

          Not applicable.

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

     Each of the Reporting Persons hereby makes the following certification:

     By signing below we certify that, to the best of our knowledge and belief,
the securities referred to above were not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.





Schedule 13G
CUSIP No. 12738T100                                              PAGE 37 OF 42

                                   SIGNATURES

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

DATED:  April 16, 2007                DAVIDSON KEMPNER PARTNERS
                                      By: MHD Management Co.,
                                      its General Partner

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

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: President

                                      M.H. DAVIDSON & CO.

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

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member





Schedule 13G
CUSIP No. 12738T100                                              PAGE 38 OF 42

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

                                      MHD MANAGEMENT CO.

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

                                      DAVIDSON KEMPNER ADVISERS INC.

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: President

                                      DAVIDSON KEMPNER INTERNATIONAL
                                      ADVISORS, L.L.C.

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

                                      DK GROUP LLC

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member





Schedule 13G
CUSIP No. 12738T100                                              PAGE 39 OF 42

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

                                      DK STILLWATER GP LLC

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Thomas L. Kempner, Jr.

                                      /s/ Marvin H. Davidson
                                      ------------------------------------
                                      Marvin H. Davidson

                                      /s/ Stephen M. Dowicz
                                      ------------------------------------
                                      Stephen M. Dowicz

                                      /s/ Scott E. Davidson
                                      ------------------------------------
                                      Scott E. Davidson

                                      /s/ Michael J. Leffell
                                      ------------------------------------
                                      Michael J. Leffell

                                      /s/ Timothy I. Levart
                                      ------------------------------------
                                      Timothy I. Levart

                                      /s/ Robert J. Brivio, Jr.
                                      ------------------------------------
                                      Robert J. Brivio, Jr.

                                      /s/ Eric P. Epstein
                                      ------------------------------------
                                      Eric P. Epstein

                                      /s/ Anthony A. Yoseloff
                                      ------------------------------------
                                      Anthony A. Yoseloff

                                      /s/ Avram Z. Friedman
                                      ------------------------------------
                                      Avram Z. Friedman





Schedule 13G
CUSIP No. 12738T100                                              PAGE 40 OF 42


                                    EXHIBIT 1

                           JOINT ACQUISITION STATEMENT

                            PURSUANT TO RULE 13d-1(k)

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

DATED:  April 16, 2007                DAVIDSON KEMPNER PARTNERS
                                      By: MHD Management Co.,
                                      its General Partner

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

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: President

                                      M.H. DAVIDSON & CO.

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

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member





Schedule 13G
CUSIP No. 12738T100                                              PAGE 41 OF 42

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

                                      MHD MANAGEMENT CO.

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

                                      DAVIDSON KEMPNER ADVISERS INC.

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: President

                                      DAVIDSON KEMPNER INTERNATIONAL
                                      ADVISORS, L.L.C.

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member





Schedule 13G
CUSIP No. 12738T100                                              PAGE 42 OF 42

                                      DK GROUP LLC

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

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

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

                                      DK STILLWATER GP LLC

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Name:  Thomas L. Kempner, Jr.
                                      Title: Executive Managing Member

                                      /s/ Thomas L. Kempner, Jr.
                                      ------------------------------------
                                      Thomas L. Kempner, Jr.

                                      /s/ Marvin H. Davidson
                                      ------------------------------------
                                      Marvin H. Davidson

                                      /s/ Stephen M. Dowicz
                                      ------------------------------------
                                      Stephen M. Dowicz

                                      /s/ Scott E. Davidson
                                      ------------------------------------
                                      Scott E. Davidson

                                      /s/ Michael J. Leffell
                                      ------------------------------------
                                      Michael J. Leffell

                                      /s/ Timothy I. Levart
                                      ------------------------------------
                                      Timothy I. Levart

                                      /s/ Robert J. Brivio, Jr.
                                      ------------------------------------
                                      Robert J. Brivio, Jr.

                                      /s/ Eric P. Epstein
                                      ------------------------------------
                                      Eric P. Epstein

                                      /s/ Anthony A. Yoseloff
                                      ------------------------------------
                                      Anthony A. Yoseloff

                                      /s/ Avram Z. Friedman
                                      ------------------------------------
                                      Avram Z. Friedman