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): June 8, 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 June 8, 1998, CYTOGEN Corporation issued the attached press release.
  
  Item 7.  Exhibits.
           ---------
  99.1 Press release issued by CYTOGEN Corporation on June 8, 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/ Donald F. Crane, Jr.       
                                     --------------------------------            
                                     Name:  Donald F. Crane, Jr.
                                     Title: Vice President General Counsel and
                                            Corporate Secretary
       
  Date: June 8, 1998 
  
  
  
  
  
                                     3
  
  <PAGE>
  
                                 EXHIBIT INDEX
                                  
                                  
  Number                           Description                          Page
  
   99.1           Press Release issued by CYTOGEN Corporation on 
                  June 8, 1998                                            5
  
  
  
  
  
                                         4
metadata_documents: [{"type": "8-K", "sequence": "1", "secsgml_size_bytes": 3263}]
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": "033-10512", "film-number": "98643926"}, "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): June 8, 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 June 8, 1998, CYTOGEN Corporation issued the attached press release.
  
  Item 7.  Exhibits.
           ---------
  99.1 Press release issued by CYTOGEN Corporation on June 8, 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/ Donald F. Crane, Jr.       
                                     --------------------------------            
                                     Name:  Donald F. Crane, Jr.
                                     Title: Vice President General Counsel and
                                            Corporate Secretary
       
  Date: June 8, 1998 
  
                                     3
  EXHIBIT INDEX
                                  
                                  
  Number                           Description                          Page
  
   99.1           Press Release issued by CYTOGEN Corporation on 
                  June 8, 1998                                            5
  
                                         4