-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Jr0zp5ll+GNTUljNHQ39jLFnd+wQgnYn9uxf93e2Kp4eZiFlDjZouuAViam+uvYJ
 7Rw/ykqe0z+SoVuKayO3dw==

<SEC-DOCUMENT>0001140361-07-016383.txt : 20070814
<SEC-HEADER>0001140361-07-016383.hdr.sgml : 20070814
<ACCEPTANCE-DATETIME>20070814162749
ACCESSION NUMBER:		0001140361-07-016383
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060829
FILED AS OF DATE:		20070814
DATE AS OF CHANGE:		20070814

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DOR BIOPHARMA INC
		CENTRAL INDEX KEY:			0000812796
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				411505029
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1101 BRICKELL AVENUE
		STREET 2:		SUITE 701 S
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33131
		BUSINESS PHONE:		305-534-3383

	MAIL ADDRESS:	
		STREET 1:		1101 BRICKELL AVENUE
		STREET 2:		SUITE 701 S
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33131

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENDOREX CORP
		DATE OF NAME CHANGE:	19960916

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IMMUNOTHERAPEUTICS INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHABER CHRISTOPHER J
		CENTRAL INDEX KEY:			0001068029

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16929
		FILM NUMBER:		071055641

	BUSINESS ADDRESS:	
		STREET 1:		C/O DISCOVERY LABORATORIES INC
		STREET 2:		3359 DURHAM ROAD
		CITY:			DOYLESTOWN
		STATE:			PA
		ZIP:			18901
		BUSINESS PHONE:		305-534-3383

	MAIL ADDRESS:	
		STREET 1:		1101 BRICKELL AVE
		STREET 2:		#701 S
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33131

	FORMER NAME:	
		FORMER CONFORMED NAME:	SCHABER CHRISTOPHER
		DATE OF NAME CHANGE:	19980811
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2006-08-29</periodOfReport>

    <dateOfOriginalSubmission>2006-09-01</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000812796</issuerCik>
        <issuerName>DOR BIOPHARMA INC</issuerName>
        <issuerTradingSymbol>DORB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001068029</rptOwnerCik>
            <rptOwnerName>SCHABER CHRISTOPHER J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1101 BRICKELL AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 701-S</rptOwnerStreet2>
            <rptOwnerCity>MIAMI</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33131</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Options (right to buy)</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.27</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2006-08-29</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-08-28</value>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2000000</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This form was amended to reduce the original 2,500,000 options granted on August 29, 2006, to 2,000,000 options. Under the 2005 Equity Incentive Plan, only 2,000,000 stock options may be authorized in a calendar year. The additional 500,000 stock options will be granted on August 10, 2007. As previously reported 833,333 stock options vest immediately and the remainder vest quarterly on each three (3) month anniversary of the effective date of this form at a rate of 138,890 stock options.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Christopher J. Schaber</signatureName>
        <signatureDate>2007-08-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----