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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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 HY5a/MbC5x9cAFJVVIGXtQ==

<SEC-DOCUMENT>0001205701-04-000001.txt : 20040102
<SEC-HEADER>0001205701-04-000001.hdr.sgml : 20040101
<ACCEPTANCE-DATETIME>20040102120121
ACCESSION NUMBER:		0001205701-04-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031231
FILED AS OF DATE:		20040102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HERZIG MARKUS F
		CENTRAL INDEX KEY:			0001205701

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29815
		FILM NUMBER:		04500583

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

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:		7000 NORTH BROADWAY
		STREET 2:		SUITE 400
		CITY:			DENVER
		STATE:			CO
		ZIP:			80221
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001205701d20040102f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-12-31</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0001097264</issuerCik><issuerName>ALLOS THERAPEUTICS INC</issuerName>        <issuerTradingSymbol>ALTH</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001205701</rptOwnerCik><rptOwnerName>HERZIG MARKUS F</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>13874 SANDTRAP CT.</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>BROOMFIELD</rptOwnerCity><rptOwnerState>CO</rptOwnerState><rptOwnerZipCode>80020</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>VP Regulatory Affairs</officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner>
<nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-12-31</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>P</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>875</value><footnoteId id="F1"/></transactionShares><transactionPricePerShare><value>2.482</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2431</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeTransact
ion><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>300</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Spouse</value></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeHolding><securityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>3.2</value></conversionOrExercisePrice><exerciseDate><value>2003-07-03</value></exerciseDate><expirationDate><value>2013-06-03</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>30000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>30000</value></sharesOwnedFollowingTransa
ction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>4.63</value></conversionOrExercisePrice><exerciseDate><value>2002-07-30</value></exerciseDate><expirationDate><value>2011-07-30</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>65000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>65000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><secur
ityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>4.75</value></conversionOrExercisePrice><exerciseDate><value>2003-04-03</value></exerciseDate><expirationDate><value>2013-03-03</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>17584</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>17584</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Stock Options (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>6</value></conversionOrExercisePrice><exerciseDate><value>2003-03-01</value></exerciseDate><expirationDate><value>2012-03-01</value></
expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>6905</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>6905</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Includes shares acquired under the Company's Employee Stock Purchase Plan.</footnote></footnotes><ownerSignature><signatureName>Paulette M. Wilson</signatureName><signatureDate>2004-01-02</signatureDate></ownerSignature></ownershipDocument>

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