-----BEGIN PRIVACY-ENHANCED MESSAGE-----
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>0001019056-10-000738.txt : 20100609
<SEC-HEADER>0001019056-10-000738.hdr.sgml : 20100609
<ACCEPTANCE-DATETIME>20100609172917
ACCESSION NUMBER:		0001019056-10-000738
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100607
FILED AS OF DATE:		20100609
DATE AS OF CHANGE:		20100609

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Heslop Ryan
		CENTRAL INDEX KEY:			0001438751

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23280
		FILM NUMBER:		10887992

	MAIL ADDRESS:	
		STREET 1:		C/O FIREFLY VALUE PARTNERS, LP
		STREET 2:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10176

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Warszawski Ariel
		CENTRAL INDEX KEY:			0001438752

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23280
		FILM NUMBER:		10887993

	MAIL ADDRESS:	
		STREET 1:		C/O FIREFLY VALUE PARTNERS, LP
		STREET 2:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10176

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEUROBIOLOGICAL TECHNOLOGIES INC /CA/
		CENTRAL INDEX KEY:			0000918112
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				943049219
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		2000 POWELL STREET, SUITE 800
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608
		BUSINESS PHONE:		510-595-6000

	MAIL ADDRESS:	
		STREET 1:		2000 POWELL STREET,  SUITE 800
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FVP US-Q LP
		CENTRAL INDEX KEY:			0001397671
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23280
		FILM NUMBER:		10887994

	BUSINESS ADDRESS:	
		STREET 1:		C/O FVP GP LLC
		STREET 2:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10176
		BUSINESS PHONE:		212-672-9600

	MAIL ADDRESS:	
		STREET 1:		C/O FVP GP LLC
		STREET 2:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10176

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FVP Master Fund LP
		CENTRAL INDEX KEY:			0001407275
		STATE OF INCORPORATION:			E9

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23280
		FILM NUMBER:		10887995

	BUSINESS ADDRESS:	
		STREET 1:		FVP GP LLC
		STREET 2:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			New York
		STATE:			NY
		ZIP:			10176
		BUSINESS PHONE:		212-672-9600

	MAIL ADDRESS:	
		STREET 1:		FVP GP LLC
		STREET 2:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			New York
		STATE:			NY
		ZIP:			10176

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Firefly Value Partners, LP
		CENTRAL INDEX KEY:			0001438637
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23280
		FILM NUMBER:		10887998

	BUSINESS ADDRESS:	
		STREET 1:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10176
		BUSINESS PHONE:		212-672-9600

	MAIL ADDRESS:	
		STREET 1:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10176

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FVP GP, LLC
		CENTRAL INDEX KEY:			0001438718
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23280
		FILM NUMBER:		10887996

	BUSINESS ADDRESS:	
		STREET 1:		C/O FIREFLY VALUE PARTNERS, LP
		STREET 2:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10176
		BUSINESS PHONE:		212-672-9600

	MAIL ADDRESS:	
		STREET 1:		C/O FIREFLY VALUE PARTNERS, LP
		STREET 2:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10176

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Firefly Management CO GP, LLC
		CENTRAL INDEX KEY:			0001438719
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23280
		FILM NUMBER:		10887997

	BUSINESS ADDRESS:	
		STREET 1:		C/O FIREFLY VALUE PARTNERS, LP
		STREET 2:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10176
		BUSINESS PHONE:		212-672-9600

	MAIL ADDRESS:	
		STREET 1:		C/O FIREFLY VALUE PARTNERS, LP
		STREET 2:		551 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10176
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-06-07</periodOfReport>

    <issuer>
        <issuerCik>0000918112</issuerCik>
        <issuerName>NEUROBIOLOGICAL TECHNOLOGIES INC /CA/</issuerName>
        <issuerTradingSymbol>NTII</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001438637</rptOwnerCik>
            <rptOwnerName>Firefly Value Partners, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>551 FIFTH AVE, 36TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10176</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001438719</rptOwnerCik>
            <rptOwnerName>Firefly Management CO GP, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>551 FIFTH AVE, 36TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10176</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001438718</rptOwnerCik>
            <rptOwnerName>FVP GP, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>551 FIFTH AVE, 36TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10176</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001407275</rptOwnerCik>
            <rptOwnerName>FVP Master Fund LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>551 FIFTH AVE, 36TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10176</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001397671</rptOwnerCik>
            <rptOwnerName>FVP US-Q LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>551 FIFTH AVE, 36TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10176</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001438752</rptOwnerCik>
            <rptOwnerName>Warszawski Ariel</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>551 FIFTH AVE, 36TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10176</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001438751</rptOwnerCik>
            <rptOwnerName>Heslop Ryan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>551 FIFTH AVE, 36TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10176</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001</value>
            </securityTitle>
            <transactionDate>
                <value>2010-06-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7737</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>.075</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2618424</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By FVP Master Fund, L.P.</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001</value>
            </securityTitle>
            <transactionDate>
                <value>2010-06-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>12796</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>.075</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1994798</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By FVP US-Q, LP</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Firefly Value Partners, LP (&quot;Firefly Partners&quot;) serves as investment manager to FVP Master Fund, L.P. (the &quot;FVP Master Fund&quot;), the direct owner of the subject securities.  FVP GP, LLC (&quot;FVP GP&quot;) serves as the general partner of the FVP Master Fund and Firefly Management Company GP, LLC (&quot;Firefly Management&quot;) serves as the general partner of Firefly Partners.  Messrs. Ryan Heslop and Ariel Warszawski are the managing members of FVP GP and Firefly Management.  Each Reporting Person disclaims beneficial ownership of all securities reported herein, except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934 (&quot;Exchange Act&quot;) or for any other purpose.</footnote>
        <footnote id="F2">Firefly Partners serves as investment manager to FVP US-Q, LP (the &quot;FVP Fund&quot;), the direct owner of the subject securities.  FVP GP serves as the general partner of the FVP Fund and Firefly Management serves as the general partner of Firefly Partners.  Messrs. Ryan Heslop and Ariel Warszawski are the managing members of FVP GP and Firefly Management.  Each Reporting Person disclaims beneficial ownership of all securities reported herein, except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Exchange Act or for any other purpose.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/  Ariel Warszawski   Ariel Warszawski, for himself, as Managing Member of FVP GP (for itself and as general  partner of the FVP Master Fund and the FVP Fund)  and of Firefly Management (for itself and as general partners of Firefly Partners)</signatureName>
        <signatureDate>2010-06-09</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Ryan Heslop</signatureName>
        <signatureDate>2010-06-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----