-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 NMDyLZCcWbEJGFvoX5Z/pGOUmt3s+lys8GAxNd19pVD1Mc605Ktcrh7823xFcmS9
 Jrrdm1+EvqjuzFczCG1d0Q==

<SEC-DOCUMENT>0001356923-09-000003.txt : 20090317
<SEC-HEADER>0001356923-09-000003.hdr.sgml : 20090317
<ACCEPTANCE-DATETIME>20090317164925
ACCESSION NUMBER:		0001356923-09-000003
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Investment Company Act Section 3(c)
ITEM INFORMATION:		Section 3(c)(7)
FILED AS OF DATE:		20090317
DATE AS OF CHANGE:		20090317
EFFECTIVENESS DATE:		20090317

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DEUTSCHE IGAP INVESTMENT TRUST
		CENTRAL INDEX KEY:			0001356923
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NH

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-87445
		FILM NUMBER:		09688514

	BUSINESS ADDRESS:	
		STREET 1:		DWS TRUST COMPANY, 11 NORTHEASTERN BLVD
		CITY:			SALEM
		STATE:			NH
		ZIP:			03079
		BUSINESS PHONE:		603-870-2282

	MAIL ADDRESS:	
		STREET 1:		11 NORTHEASTERN BLVD
		CITY:			SALEM
		STATE:			NH
		ZIP:			03079
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0301</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001356923</cik>
        <entityName>DEUTSCHE IGAP INVESTMENT TRUST</entityName>
        <issuerAddress>
            <street1>DWS TRUST COMPANY</street1>
            <street2>11 NORTHEASTERN BLVD</street2>
            <city>SALEM</city>
            <stateOrCountry>NH</stateOrCountry>
            <zipCode>03079</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>212-454-3272</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>NH</jurisdictionOfInc>
        <entityType>Other</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2006</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Roger</firstName>
                <middleName></middleName>
                <lastName>Gray</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jennifer</firstName>
                <middleName></middleName>
                <lastName>Birmingham</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Nancy</firstName>
                <middleName></middleName>
                <lastName>Tanzil</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Sheldon</firstName>
                <middleName></middleName>
                <lastName>Winicour</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Patricia</firstName>
                <middleName></middleName>
                <lastName>Defilippis</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Sheila</firstName>
                <middleName></middleName>
                <lastName>Cadogan</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Sandra</firstName>
                <middleName></middleName>
                <lastName>Jahnke</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Susan</firstName>
                <middleName></middleName>
                <lastName>Hartnett</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Christine</firstName>
                <middleName></middleName>
                <lastName>Rosner</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Paul</firstName>
                <middleName></middleName>
                <lastName>Schubert</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jason</firstName>
                <middleName></middleName>
                <lastName>Vasquez</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>DWS Trust Company</street1>
                <street2>11 Northeastern Boulevard</street2>
                <city>Salem</city>
                <stateOrCountry>NH</stateOrCountry>
                <zipCode>03079</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Other Investment Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Over $100,000,000</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>3C</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>9999999997-06-010283</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2006-02-09</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>10000000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>DeAM Investor Services</recipientName>
                <recipientCRDNumber>754</recipientCRDNumber>
                <associatedBDName>DeAM Investor Services</associatedBDName>
                <associatedBDCRDNumber>754</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>345 Park Avenue</street1>
                    <street2></street2>
                    <city>New York</city>
                    <stateOrCountry>NY</stateOrCountry>
                    <zipCode>10154</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>404283501</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>13</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>2255382</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>DEUTSCHE IGAP INVESTMENT TRUST</issuerName>
                <signatureName>Sheldon Winicour</signatureName>
                <nameOfSigner>Sheldon Winicour</nameOfSigner>
                <signatureTitle>Director of DWS Trust Company, as trustee of the Issuer</signatureTitle>
                <signatureDate>2009-03-17</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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