EXHIBIT 23.1




                          Independent Auditors' Consent


The Board of Directors
Cytogen Corporation:


We consent to the  incorporation  by  reference in the  registration  statements
(Nos. 33-30595, 33-52574, 33-57004, 33-63321, 333-00431,  333-04679,  333-27673,
333-48454,  333-58384,  333-59718,  333-75304) on Form S-8 and the  registration
statements (Nos. 33-35140, 33-77396, 333-43809, 333-83215, 333-34550, 333-33436,
333-72226,  333-100315)  on  Form  S-3  and the  registration  statements  (Nos.
333-68759,  333-67947)  on Form S-1 of Cytogen  Corporation  of our report dated
January 31, 2003,  which report is based in part on a report of other auditiors,
with  respect  to the  consolidated  balance  sheet of Cytogen  Corporation  and
subsidiaries as of December 31, 2002, and the related consolidated statements of
operations,  stockholders'  equity and cash flows for the year then ended, which
report appears in the December 31, 2002 annual report on Form 10-K/A  (Amendment
No. 2) of Cytogen Corporation.


Our report refers to our audit of the  adjustments  that were applied to restate
the 2001 and 2000 consolidated financial statements,  as more fully described in
Note 1 to the consolidated financial statements. However, we were not engaged to
audit,  review,  or apply  any  procedures  to the  2001  and 2000  consolidated
financial statements other than with respect to such adjustments.




                                         /s/ KPMG LLP
Princeton, New Jersey
September 19, 2003