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    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

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        <entityName>CYTIMMUNE SCIENCES INC</entityName>
        <issuerAddress>
            <street1>15010 BROSCHART ROAD</street1>
            <city>ROCKVILLE</city>
            <stateOrCountry>MD</stateOrCountry>
            <stateOrCountryDescription>MARYLAND</stateOrCountryDescription>
            <zipCode>20850</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>301-825-3041</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
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        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
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        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
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            <relatedPersonName>
                <firstName>Lawrence</firstName>
                <lastName>Tamarkin</lastName>
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                <street1>15010 Broschart Road</street1>
                <city>Rockville</city>
                <stateOrCountry>MD</stateOrCountry>
                <stateOrCountryDescription>MARYLAND</stateOrCountryDescription>
                <zipCode>20850</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <middleName>W.</middleName>
                <lastName>Holaday</lastName>
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            <relatedPersonAddress>
                <street1>15010 Broschart Road</street1>
                <city>Rockville</city>
                <stateOrCountry>MD</stateOrCountry>
                <stateOrCountryDescription>MARYLAND</stateOrCountryDescription>
                <zipCode>20850</zipCode>
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            <relatedPersonRelationshipList>
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            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <lastName>Ashton</lastName>
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            <relatedPersonAddress>
                <street1>15010 Broschart Road</street1>
                <city>Rockville</city>
                <stateOrCountry>MD</stateOrCountry>
                <stateOrCountryDescription>MARYLAND</stateOrCountryDescription>
                <zipCode>20850</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Neal</firstName>
                <lastName>Cohen</lastName>
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            <relatedPersonAddress>
                <street1>15010 Broschart Road</street1>
                <city>Rockville</city>
                <stateOrCountry>MD</stateOrCountry>
                <stateOrCountryDescription>MARYLAND</stateOrCountryDescription>
                <zipCode>20850</zipCode>
            </relatedPersonAddress>
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                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Marc</firstName>
                <lastName>Stanley</lastName>
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                <city>Rockville</city>
                <stateOrCountry>MD</stateOrCountry>
                <stateOrCountryDescription>MARYLAND</stateOrCountryDescription>
                <zipCode>20850</zipCode>
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                <relationship>Director</relationship>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Norman</firstName>
                <lastName>Zober</lastName>
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            <relatedPersonAddress>
                <street1>15010 Broschart Road</street1>
                <city>Rockville</city>
                <stateOrCountry>MD</stateOrCountry>
                <stateOrCountryDescription>MARYLAND</stateOrCountryDescription>
                <zipCode>20850</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Hidetaka</firstName>
                <middleName>Kentaro</middleName>
                <lastName>Itani</lastName>
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            <relatedPersonAddress>
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                <city>Rockville</city>
                <stateOrCountry>MD</stateOrCountry>
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                <zipCode>20850</zipCode>
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                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Mitchell</firstName>
                <middleName>S.</middleName>
                <lastName>Marder</lastName>
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            <relatedPersonAddress>
                <street1>15010 Broschart Road</street1>
                <city>Rockville</city>
                <stateOrCountry>MD</stateOrCountry>
                <stateOrCountryDescription>MARYLAND</stateOrCountryDescription>
                <zipCode>20850</zipCode>
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            <relatedPersonRelationshipList>
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        <relatedPersonInfo>
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                <firstName>Giulio</firstName>
                <middleName>F.</middleName>
                <lastName>Paciotti</lastName>
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                <stateOrCountry>MD</stateOrCountry>
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                <zipCode>20850</zipCode>
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            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Gary</firstName>
                <lastName>Rosenfeld</lastName>
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                <relationship>Executive Officer</relationship>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Biotechnology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2014-05-12</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>100000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>1200000</totalOfferingAmount>
            <totalAmountSold>400000</totalAmountSold>
            <totalRemaining>800000</totalRemaining>
            <clarificationOfResponse>Includes aggregate exercise prise of Warrants.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>true</hasNonAccreditedInvestors>
            <numberNonAccreditedInvestors>2</numberNonAccreditedInvestors>
            <totalNumberAlreadyInvested>3</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
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            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>CYTIMMUNE SCIENCES INC</issuerName>
                <signatureName>/s/ Mitchell S. Marder</signatureName>
                <nameOfSigner>Mitchell S. Marder</nameOfSigner>
                <signatureTitle>Executive V.P., Corporate Development &amp; Chief Legal Officer</signatureTitle>
                <signatureDate>2014-05-22</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
