<SEC-DOCUMENT>0001654954-18-002051-index.html : 20180301
<SEC-HEADER>0001654954-18-002051.hdr.sgml : 20180301
<ACCEPTANCE-DATETIME>20180301160845
ACCESSION NUMBER:		0001654954-18-002051
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20180301
DATE AS OF CHANGE:		20180301

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GT Biopharma, Inc.
		CENTRAL INDEX KEY:			0000109657
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				941620407
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-223348
		FILM NUMBER:		18657328

	BUSINESS ADDRESS:	
		STREET 1:		1825 K STREET
		STREET 2:		SUITE 510
		CITY:			WASHINGTON, D.C.
		STATE:			DC
		ZIP:			33602
		BUSINESS PHONE:		(800) 304-9888

	MAIL ADDRESS:	
		STREET 1:		1825 K STREET
		STREET 2:		SUITE 510
		CITY:			WASHINGTON, D.C.
		STATE:			DC
		ZIP:			33602

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OXIS INTERNATIONAL INC
		DATE OF NAME CHANGE:	19940916

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DDI PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DIAGNOSTIC DATA INC /DE/
		DATE OF NAME CHANGE:	19850312
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>gtbp_s3.htm
<DESCRIPTION>REGISTRATION STATEMENT
<TEXT>
Document 1 - file: gtbp_s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>gtbp_ex51.htm
<DESCRIPTION>OPINION ON LEGALITY
<TEXT>
Document 2 - file: gtbp_ex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>gtbp_ex231.htm
<DESCRIPTION>CONSENTS OF EXPERTS AND COUNSEL
<TEXT>
Document 3 - file: gtbp_ex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>img001.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 4 - file: img001.jpg

</DOCUMENT>
</SEC-DOCUMENT>