<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-10-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000725058</issuerCik>
        <issuerName>CYTOGEN CORP</issuerName>
        <issuerTradingSymbol>CYTO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001211252</rptOwnerCik>
            <rptOwnerName>BECKER MICHAEL D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>650 COLLEGE ROAD EAST</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3100</rptOwnerStreet2>
            <rptOwnerCity>PRINCETON</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08540-5308</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-10-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>15000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>74298</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Such shares of restricted common stock were issued as a long-term incentive pursuant to the terms of the Company's 2004 Stock
 Incentive Plan and vest after three years.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Michael D. Becker</signatureName>
        <signatureDate>2006-10-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0202
4
2006-10-17
0
0000725058
CYTOGEN CORP
CYTO
0001211252
BECKER MICHAEL D
650 COLLEGE ROAD EAST
SUITE 3100
PRINCETON
NJ
08540-5308
0
1
0
0
President and CEO
Common Stock
2006-10-17
4
A
0
15000
0
A
74298
D
Such shares of restricted common stock were issued as a long-term incentive pursuant to the terms of the Company's 2004 Stock
 Incentive Plan and vest after three years.
/s/ Michael D. Becker
2006-10-19