content: <PAGE>
     
                                                                   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): May 26, 1998
                                                             ------------   
      
                                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) 987-8200
                                  
  
  <PAGE>
   
  Item 5.  Other Events.
           -------------
  
       On May 26, 1998, CYTOGEN Corporation issued the attached press release.
  
  Item 7.  Exhibits.
           ---------
  
  99.1     Press release issued by CYTOGEN Corporation on May 26, 1998
  
  
  
  
  
  
                                     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/ John E. Bagalay, Jr.       
                                 ----------------------------                 
                                 Name:   John E. Bagalay, Jr.
                                 Title:  President and Chief Executive Officer
  
       
  Date: May 27, 1998 
  
  
  
  
                                    3
  
  <PAGE>
  
  
                               EXHIBIT INDEX
                                  
                                  
  Number                       Description                            Page
  
  99.1         Press Release issued by CYTOGEN Corporation on 
               May 26, 1998                                             5
  
  
  
                                    4
metadata_documents: [{"type": "8-K", "sequence": "1", "secsgml_size_bytes": 3208}]
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": "333-02015", "film-number": "98632276"}, "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): May 26, 1998
                                                             ------------   
      
                                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) 987-8200
  Item 5.  Other Events.
           -------------
  
       On May 26, 1998, CYTOGEN Corporation issued the attached press release.
  
  Item 7.  Exhibits.
           ---------
  
  99.1     Press release issued by CYTOGEN Corporation on May 26, 1998
  
                                     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/ John E. Bagalay, Jr.       
                                 ----------------------------                 
                                 Name:   John E. Bagalay, Jr.
                                 Title:  President and Chief Executive Officer
  
       
  Date: May 27, 1998 
  
                                    3
  EXHIBIT INDEX
                                  
                                  
  Number                       Description                            Page
  
  99.1         Press Release issued by CYTOGEN Corporation on 
               May 26, 1998                                             5
  
                                    4