<SEC-DOCUMENT>0001564590-20-016118-index.html : 20200409
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<ACCEPTANCE-DATETIME>20200409163635
ACCESSION NUMBER:		0001564590-20-016118
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20200409
DATE AS OF CHANGE:		20200409
EFFECTIVENESS DATE:		20200409

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEUROCRINE BIOSCIENCES INC
		CENTRAL INDEX KEY:			0000914475
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				330525145
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22705
		FILM NUMBER:		20784883

	BUSINESS ADDRESS:	
		STREET 1:		12780 EL CAMINO REAL
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
		BUSINESS PHONE:		(858) 617-7600

	MAIL ADDRESS:	
		STREET 1:		12780 EL CAMINO REAL
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130
</SEC-HEADER>
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<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>nbix-defa14a_20200519.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: nbix-defa14a_20200519.htm

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<SEQUENCE>2
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<TEXT>
Document 2 - file: gimed2d0c0o3000004.jpg

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<DOCUMENT>
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<SEQUENCE>3
<FILENAME>gimed2d0c0o3000002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: gimed2d0c0o3000002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>gimed2d0c0o3000003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: gimed2d0c0o3000003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>gimed2d0c0o3000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: gimed2d0c0o3000001.jpg

</DOCUMENT>
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