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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>UNITED
        STATES</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>SECURITIES
        AND EXCHANGE COMMISSION</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>WASHINGTON,
        D.C. 20549</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>________________________________________</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>FORM
        8-K</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>CURRENT
        REPORT</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>PURSUANT
        TO SECTION 13 OR 15(d) OF THE</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>SECURITIES
        EXCHANGE ACT OF 1934</strong></font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Date
        of
        report (Date of earliest event reported): <u>November 5, 2007</u></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">CYTOGEN
        CORPORATION</font></div>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">(Exact
        Name of Registrant as Specified in Charter)</font></div>
      <div><br></div>
      <div>
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              <td valign="top" width="29%" style="BORDER-BOTTOM: black 2px solid">
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                </div>
              </td>
              <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
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                </div>
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              <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="25%" style="BORDER-BOTTOM: black 2px solid">
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            <tr>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(State
                  or Other Jurisdiction of Incorporation)</font></div>
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              <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="25%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Commission
                  File Number)</font></div>
              </td>
              <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="25%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(I.R.S.
                  Employer Identification No.)</font></div>
              </td>
            </tr>
  
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      </div>
      <div><br></div>
      <div>
        <table cellpadding="0" cellspacing="0" width="100%">
  
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              <td valign="top" width="56%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">650
                    College Road East, CN 5308, Suite 3100, Princeton,
                    NJ</font></div>
                </div>
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              <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="25%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">08540</font></div>
                </div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="56%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Address
                  of Principal Executive Offices)</font></div>
              </td>
              <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="25%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">(Zip
                  Code)</font></div>
              </td>
            </tr>
  
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      </div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Registrant&#8217;s
        telephone number, including area code: <u>(609) 750-8200</u></font></div>
      <div><br></div>
      <div>
        <table cellpadding="0" cellspacing="0" width="100%">
  
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              <td valign="top" width="83%" style="BORDER-BOTTOM: black 2px solid"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
            </tr>
  
        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">(Former
        Name or Former Address, if Changed Since Last Report)</font></div>
      <div><br></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Check
        the
        appropriate box below if the Form 8-K filing is intended to simultaneously
        satisfy the filing obligation of the registrant under any of the following
        provisions (<em>see </em>General Instruction A.2. below):</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">
  
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              <td style="WIDTH: 36pt">
                <div>&#160;</div>
              </td>
              <td style="WIDTH: 27pt">
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><font style="DISPLAY: inline;" face="Wingdings">&#168;</font></font></div>
              </td>
              <td>
                <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Written
                  communications pursuant to Rule 425 under the Securities Act (17
                  CFR
                  230.425)</font></div>
              </td>
            </tr>
  
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      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">
  
            <tr valign="top">
              <td style="WIDTH: 36pt">
                <div>&#160;</div>
              </td>
              <td style="WIDTH: 27pt">
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><font style="DISPLAY: inline;" face="Wingdings">&#168;</font></font></div>
              </td>
              <td>
                <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Soliciting
                  material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                  240.14a-12)</font></div>
              </td>
            </tr>
  
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      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">
  
            <tr valign="top">
              <td style="WIDTH: 36pt">
                <div>&#160;</div>
              </td>
              <td style="WIDTH: 27pt">
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><font style="DISPLAY: inline;" face="Wingdings">&#168;</font></font></div>
              </td>
              <td>
                <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Pre-commencement
                  communications pursuant to Rule 14d-2(b) under the Exchange Act (17
                  CFR
                  240.14d-2(b))</font></div>
              </td>
            </tr>
  
        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div>
        <table cellpadding="0" cellspacing="0" id="list" width="100%">
  
            <tr valign="top">
              <td align="right" style="WIDTH: 63pt">
                <div><font style="DISPLAY: inline; FONT-SIZE: 10pt;" face="Wingdings">&#168;&#160;&#160;</font></div>
              </td>
              <td>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">Pre-commencement
                  communications pursuant to Rule 13e-4(c) under the Exchange Act (17
                  CFR
                  240.13e-4(c))</font></div>
              </td>
            </tr>
  
        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
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        <div id="PN" style="PAGE-BREAK-AFTER: always">
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          </div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">
          </div>
        </div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Item
        8.01&#160;&#160;&#160;&#160;&#160;Other Events.</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">On
        November 5, 2007, Cytogen Corporation (the &#8220;Company&#8221;) announced that it has
        engaged ThinkEquity Partners LLC to assist the Company in identifying and
        evaluating strategic alternatives intended to enhance the future growth
        potential of the Company&#8217;s pipeline and maximize shareholder
        value.&#160;&#160;No assurances can be given that this evaluation will lead to
        any specific action or transaction.&#160;&#160;The Company does not plan to make
        future comments about the status of the evaluation of strategic alternatives
        unless there are material developments.&#160;The full text of the November 5,
        2007 press release issued in connection with the announcement is attached as
        Exhibit 99.1 to this Current Report on Form 8-K.</font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>Item
        9.01&#160;&#160;&#160;&#160;&#160;Financial Statements and
        Exhibits.</strong></font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">(c)&#160;&#160;Exhibits.</font></div>
      <div><br></div>
      <div>
        <table cellpadding="0" cellspacing="0" width="100%">
  
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              <td valign="top" width="12%" style="BORDER-BOTTOM: black 2px solid">
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                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Exhibit
                    No.</font></div>
                </div>
              </td>
              <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="50%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Description</font></div>
                </div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="12%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">99.1</font></div>
              </td>
              <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="justify" valign="top" width="50%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Press
                  Release of Cytogen Corporation dated November 5,
                  2007</font></div>
              </td>
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      </div>
      <div><br></div>
      <div>&#160;</div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">
          </div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always">
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
          </div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">
          </div>
        </div>
      </div>
      <div>&#160;</div>
      <div>&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>SIGNATURES</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">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 hereunto
        duly authorized.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div><br></div>
      <div>
        <table cellpadding="0" cellspacing="0" width="100%">
  
            <tr>
              <td valign="top" width="48%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" colspan="2" valign="top" width="41%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">CYTOGEN
                  CORPORATION</font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="48%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="48%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="2%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">By:</font></div>
              </td>
              <td valign="top" width="50%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">/s/&#160;&#160;Michael
                    D. Becker</font></div>
                </div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="48%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="50%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Michael
                  D. Becker</font></div>
              </td>
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            <tr>
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        &#160;November 5, 2007</font></div>
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                    No.</font></div>
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                  Release of Cytogen Corporation dated November 5,
                  2007</font></div>
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text: form8-k_110507.htm
  UNITED
        STATES
  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):
  November 5, 2007
  CYTOGEN
        CORPORATION
  ________________________________________
  (Exact
        Name of Registrant as Specified in Charter)
  Delaware
  000-14879
  22-2322400
  (State
                  or Other Jurisdiction of Incorporation)
  (Commission
                  File Number)
  (I.R.S.
                  Employer Identification No.)
  650
                    College Road East, CN 5308, Suite 3100, Princeton,
                    NJ
  08540
  (Address
                  of Principal Executive Offices)
  (Zip
                  Code)
  Registrant's
        telephone number, including area code:
  (609) 750-8200
  (Former
        Name or Former Address, if Changed Since Last Report)
  Check
        the
        appropriate box below if the Form 8-K filing is intended to simultaneously
        satisfy the filing obligation of the registrant under any of the following
        provisions (
  see
  General Instruction A.2. below):
  ¨
  Written
                  communications pursuant to Rule 425 under the Securities Act (17
                  CFR
                  230.425)
  ¨
  Soliciting
                  material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                  240.14a-12)
  ¨
  Pre-commencement
                  communications pursuant to Rule 14d-2(b) under the Exchange Act (17
                  CFR
                  240.14d-2(b))
  ¨
  Pre-commencement
                  communications pursuant to Rule 13e-4(c) under the Exchange Act (17
                  CFR
                  240.13e-4(c))
  Item
        8.01     Other Events.
  On
        November 5, 2007, Cytogen Corporation (the "Company") announced that it has
        engaged ThinkEquity Partners LLC to assist the Company in identifying and
        evaluating strategic alternatives intended to enhance the future growth
        potential of the Company's pipeline and maximize shareholder
        value.  No assurances can be given that this evaluation will lead to
        any specific action or transaction.  The Company does not plan to make
        future comments about the status of the evaluation of strategic alternatives
        unless there are material developments. The full text of the November 5,
        2007 press release issued in connection with the announcement is attached as
        Exhibit 99.1 to this Current Report on Form 8-K.
  Item
        9.01     Financial Statements and
        Exhibits.
  (c)  Exhibits.
  Exhibit
                    No.
  Description
  99.1
  Press
                  Release of Cytogen Corporation dated November 5,
                  2007
  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 hereunto
        duly authorized.
  CYTOGEN
                  CORPORATION
  By:
  /s/  Michael
                    D. Becker
  Michael
                  D. Becker
  President
                  and Chief Executive Officer
  Dated:      
         November 5, 2007
  EXHIBIT
        INDEX
  Exhibit
                    No.
  Description
  99.1
  Press
                  Release of Cytogen Corporation dated November 5,
                  2007