EXHIBIT 23.1

                          INDEPENDENT AUDITORS' CONSENT
                          -----------------------------

The Board of Directors
Cytogen Corporation:

We consent to the use of our report  dated  January 31,  2003,  which  report is
based in part on a report of other  auditors,  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  incorporated  herein by reference and to the
reference to our firm under the heading "Experts" in the prospectus.

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
and did not  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
October 1, 2003