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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AJsuQT+ZIkiuKoh6YFfyte2RTyCq1c25NR/tjM0PIdos1p4LtovnKdhwg8I/jpgV
 xa9o3Sbjo/H4UdjB7dR2dA==

<SEC-DOCUMENT>9999999995-08-001611.txt : 20080519
<SEC-HEADER>9999999995-08-001611.hdr.sgml : 20080519
<ACCEPTANCE-DATETIME>20080519001545
ACCESSION NUMBER:		9999999995-08-001611
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20080516
DATE AS OF CHANGE:		20080519
EFFECTIVENESS DATE:		20080516

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			REGENERX BIOPHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000707511
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				521253406
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-150675
		FILM NUMBER:		08843852

	BUSINESS ADDRESS:	
		STREET 1:		3 BETHESDA METRO CENTER
		STREET 2:		SUITE 700
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20814
		BUSINESS PHONE:		3019611992

	MAIL ADDRESS:	
		STREET 1:		3 BETHESDA METRO CENTER
		STREET 2:		SUITE 700
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20814

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALPHA 1 BIOMEDICALS INC
		DATE OF NAME CHANGE:	19950719
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2008-05-16</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>10:00:00</finalEffectivenessDispTime>
        <form>S-3</form>
        <filer>
            <cik>0000707511</cik>
            <entityName>REGENERX BIOPHARMACEUTICALS INC</entityName>
            <fileNumber>333-150675</fileNumber>
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</edgarSubmission>
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