EXHIBIT 23.1


            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM



The Board of Directors
Celgene Corporation:

We consent to the  incorporation by reference in the registration  statements on
Form  S-8  (Nos.  333-70083,   333-91977,   333-39716  and  333-65908),  in  the
registration  statements  on Form S-3  (Nos.  333-02517,  333-32115,  333-38861,
333-52963,   333-87197,   333-93759,   333-94915  and   333-75636)  and  in  the
registration  statement on Form S-4 (No.  333-101196) of Celgene  Corporation of
our report dated March 15, 2005, with respect to the consolidated balance sheets
of Celgene  Corporation  and  subsidiaries as of December 31, 2004 and 2003, and
the related consolidated statements of operations, stockholders' equity and cash
flows for each of the years in the  three-year  period ended  December 31, 2004,
and the related financial  statement  schedule,  management's  assessment of the
effectiveness  of internal  control over financial  reporting as of December 31,
2004 and the  effectiveness of internal  control over financial  reporting as of
December 31, 2004,  which reports  appear in the December 31, 2004 annual report
on Form 10-K of Celgene Corporation.

As further  discussed in Note 2 of the consolidated  financial  statements,  the
consolidated financial statements for 2003 and 2002 have been restated.



Short Hills, NJ
March 15, 2004



/s/ KPMG
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