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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001127602-11-007737.txt : 20110225
<SEC-HEADER>0001127602-11-007737.hdr.sgml : 20110225
<ACCEPTANCE-DATETIME>20110225172931
ACCESSION NUMBER:		0001127602-11-007737
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110223
FILED AS OF DATE:		20110225
DATE AS OF CHANGE:		20110225

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Graboyes Marc H
		CENTRAL INDEX KEY:			0001305811

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29815
		FILM NUMBER:		11642364

	MAIL ADDRESS:	
		STREET 1:		11080 CIRCLEPOINT ROAD
		STREET 2:		SUITE 200
		CITY:			WESTMINSTER
		STATE:			CO
		ZIP:			80020

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLOS THERAPEUTICS INC
		CENTRAL INDEX KEY:			0001097264
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				541655029
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		11080 CIRCLEPOINT ROAD
		STREET 2:		SUITE 200
		CITY:			WESTMINSTER
		STATE:			CO
		ZIP:			80020
		BUSINESS PHONE:		3034266262

	MAIL ADDRESS:	
		STREET 1:		11080 CIRCLEPOINT ROAD
		STREET 2:		SUITE 200
		CITY:			WESTMINSTER
		STATE:			CO
		ZIP:			80020
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-02-23</periodOfReport>

    <issuer>
        <issuerCik>0001097264</issuerCik>
        <issuerName>ALLOS THERAPEUTICS INC</issuerName>
        <issuerTradingSymbol>ALTH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001305811</rptOwnerCik>
            <rptOwnerName>Graboyes Marc H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>11080 CIRCLEPOINT ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>WESTMINSTER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80020</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>SVP, General Counsel</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-02-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3800</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.2415</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>189253</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-02-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1410</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.125</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>187843</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares are being sold pursuant to a 10b5-1 plan for Marc H. Graboyes in order to cover the withholding tax and other costs associated with such sale (i.e., wire fees, commission or interest) in connection with the vesting of restricted stock units on February 22, 2011.</footnote>
        <footnote id="F2">The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $3.2401 to $3.2415. Upon request of the SEC staff, Allos Therapeutics, Inc. (the &quot;Company&quot;) or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F3">These shares are being sold pursuant to a 10b5-1 plan for Marc H. Graboyes in order to cover the withholding tax and other costs associated with such sale (i.e., wire fees, commission or interest) in connection with the vesting of restricted stock units on February 23, 2011.</footnote>
        <footnote id="F4">The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $3.12 to $3.1250. Upon request of the SEC staff, Allos Therapeutics, Inc. (the &quot;Company&quot;) or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold at each separate price.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ David C. Clark, Attorney-in-Fact for Marc H. Graboyes</signatureName>
        <signatureDate>2011-02-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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