content: Conformed
                                                                         Copy
  
  
  
  
  
                         SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C. 20549
  
  
                                      FORM 8-K
  
                                   CURRENT REPORT
  
                           Pursuant to Section 13 or 15(d)
                       of the Securities Exchange Act of 1934
  
  
         Date of Report (Date of earliest event reported): February 1, 1999
                                                           ----------------
  
                                CYTOGEN CORPORATION 
               ------------------------------------------------------
               (Exact name of registrant as specified in its charter)
  
  
           Delaware                   333-02015                   22-2322400 
        (State or other             (Commission                 (IRS Employer
        jurisdiction of                File No.)              Identification No.)
        Incorporation or
          Organization)
  
  
          600 College Road East, CN 5308, Princeton, New Jersey 08540-5308 
          -----------------------------------------------------------------
             (Address of principal executive offices)            (Zip Code)
  
  
         Registrant's telephone number, including area code: (609) 750-8200
  
  
  
  
  <PAGE>
  
  
  
  
  Item 5.  Other Events.
  
           On February 1, 1999,  CYTOGEN  Corporation  issued the  attached  press
  release.
  
  Item 7.  Exhibits.
  
  99.1 Press release issued by CYTOGEN Corporation on February 1, 1999.
  
  
  
  
                                         2
  <PAGE>
  
  
  
                                     SIGNATURES
  
           Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
  the  Registrant  has duly  caused  this report to be signed on its behalf by the
  undersigned, thereunto duly authorized.
  
                                          CYTOGEN CORPORATION
  
  
  
                                  By     /s/ Donald F. Crane, Jr.      
                                         Name:  Donald F. Crane, Jr.
                                                --------------------
                                         Title: Vice President General Counsel and
                                                Corporate Secretary
  
  Date: February 1, 1999
  
  
                                         3
  
  
  <PAGE>
  
  
                                    EXHIBIT INDEX
  
  
    Number                              Description                         Page
  
     99.1              Press Release issued by CYTOGEN Corporation on
                       February 1, 1999                                       5
  
  
  
  
  
  
  
  
  
                                        4
metadata_documents: [{"type": "8-K", "sequence": "1", "description": "FORM 8-K", "secsgml_size_bytes": 2673}]
metadata_filer: {"company-data": {"conformed-name": "CYTOGEN CORP", "cik": "0000725058", "assigned-sic": "2835", "irs-number": "222322400", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-14879", "film-number": "99518099"}, "business-address": {"street1": "600 COLLEGE RD EAST CN 5308", "city": "PRINCETON", "state": "NJ", "zip": "08540", "phone": "6099878200"}, "mail-address": {"street1": "600 COLLEGE RD EAST CN 5308", "street2": "600 COLLEGE RD EAST CN 5308", "city": "PRINCETON", "state": "NJ", "zip": "08540"}}
text: Conformed
                                                                         Copy
  
                         SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C. 20549
  
                                      FORM 8-K
  
                                   CURRENT REPORT
  
                           Pursuant to Section 13 or 15(d)
                       of the Securities Exchange Act of 1934
  
         Date of Report (Date of earliest event reported): February 1, 1999
                                                           ----------------
  
                                CYTOGEN CORPORATION 
               ------------------------------------------------------
               (Exact name of registrant as specified in its charter)
  
           Delaware                   333-02015                   22-2322400 
        (State or other             (Commission                 (IRS Employer
        jurisdiction of                File No.)              Identification No.)
        Incorporation or
          Organization)
  
          600 College Road East, CN 5308, Princeton, New Jersey 08540-5308 
          -----------------------------------------------------------------
             (Address of principal executive offices)            (Zip Code)
  
         Registrant's telephone number, including area code: (609) 750-8200
  Item 5.  Other Events.
  
           On February 1, 1999,  CYTOGEN  Corporation  issued the  attached  press
  release.
  
  Item 7.  Exhibits.
  
  99.1 Press release issued by CYTOGEN Corporation on February 1, 1999.
  
                                         2
  SIGNATURES
  
           Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
  the  Registrant  has duly  caused  this report to be signed on its behalf by the
  undersigned, thereunto duly authorized.
  
                                          CYTOGEN CORPORATION
  
                                  By     /s/ Donald F. Crane, Jr.      
                                         Name:  Donald F. Crane, Jr.
                                                --------------------
                                         Title: Vice President General Counsel and
                                                Corporate Secretary
  
  Date: February 1, 1999
  
                                         3
  EXHIBIT INDEX
  
    Number                              Description                         Page
  
     99.1              Press Release issued by CYTOGEN Corporation on
                       February 1, 1999                                       5
  
                                        4