UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.4)* BIODELIVERY SCIENCES INTERNATIONAL, INC. -------------------------------------------------------------------------------- (Name of Issuer) Common Stock, par value $0.001 per share -------------------------------------------------------------------------------- (Title of Class of Securities) 09060J106 -------------------------------------------------------------------------------- (CUSIP Number) December 31, 2009 -------------------------------------------------------------------------------- (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule 13G is filed: / / Rule 13d-1(b) /X/ Rule 13d-1(c) / / Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). -------------------------------------------------------------------------------- CUSIP No. 09060J106 -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON: PSource Structured Debt Limited S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON: -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) / / (b) /X/ -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Guernsey -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER: SHARES BENEFICIALLY 0 shares of Common Stock.* OWNED BY -------------------------------------------------------------- EACH 6 SHARED VOTING POWER: REPORTING PERSON 833,871 shares of Common Stock.* -------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER: 0 shares of Common Stock.* -------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER: 833,871 shares of Common Stock.* -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 833,871 shares of Common Stock. -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES / / -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 3.96% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON OO -------------------------------------------------------------------------------- * Based on 21,033,221 shares of the common stock, par value $0.001 per Shares (the "Shares") of BioDelivery Sciences International, Inc., a Delaware corporation (the "Company") outstanding, as represented in the Company's Quarterly Report on Form 10-Q for the period ended November 2, 2009. As of December 31, 2009, PSource Structured Debt Limited (the "Investor") held a common stock purchase warrant (the "Warrant ") to acquire 833,871 Shares at an exercise price of $5.00 per Share, subject to certain adjustments. The Warrant contains an issuance limitation prohibiting the Investor from exercising those securities to the extent that such exercise would result in beneficial ownership by the Investor of more than 9.99% of the Shares then issued and outstanding (the ""Issuance Limitation"). The Issuance Limitation may be waived by the Investor upon at least 75 days prior notice to the Company and shall also become automatically null and void following notice to the Issuer of the occurrence and/or continuance of an Event of Default (as defined in and pursuant to the terms of the applicable instrument). The Investor is managed by Laurus Capital Management, LLC, subject to certain preapproval rights of the board of directors of the Investor. Eugene Grin and David Grin, through other entities, are the controlling principals of Laurus Capital Management, LLC and share voting and investment power over the securities owned by the Investor reported in this Schedule 13G, as amended. -------------------------------------------------------------------------------- CUSIP No. 09060J106 -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON: Laurus Capital Management, LLC S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON: 13-4150669 -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) / / (b) /X/ -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER: SHARES BENEFICIALLY 0 shares of Common Stock.* OWNED BY -------------------------------------------------------------- EACH 6 SHARED VOTING POWER: REPORTING PERSON 833,871 shares of Common Stock.* -------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER: 0 shares of Common Stock.* -------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER: 833,871 shares of Common Stock.* -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 833,871 shares of Common Stock. -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES / / -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 3.96% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON OO -------------------------------------------------------------------------------- * Based on 21,033,221 shares of the common stock, par value $0.001 per Shares (the "Shares") of BioDelivery Sciences International, Inc., a Delaware corporation (the "Company") outstanding, as represented in the Company's Quarterly Report on Form 10-Q for the period ended November 2, 2009. As of December 31, 2009, PSource Structured Debt Limited ( the "Investor") held a common stock purchase warrant (the "Warrant ") to acquire 833,871 Shares at an exercise price of $5.00 per Share, subject to certain adjustments. The Warrant contains an issuance limitation prohibiting the Investor from exercising those securities to the extent that such exercise would result in beneficial ownership by the Investor of more than 9.99% of the Shares then issued and outstanding (the "Issuance Limitation"). The Issuance Limitation may be waived by the Investor upon at least 75 days prior notice to the Company and shall also become automatically null and void following notice to the Issuer of the occurrence and/or continuance of an Event of Default (as defined in and pursuant to the terms of the applicable instrument). The Investor is managed by Laurus Capital Management, LLC, subject to certain preapproval rights of the board of directors of the Investor. Eugene Grin and David Grin, through other entities, are the controlling principals of Laurus Capital Management, LLC and share voting and investment power over the securities owned by the Investor reported in this Schedule 13G, as amended. -------------------------------------------------------------------------------- CUSIP No. 09060J106 -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON: David Grin -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) / / (b) /X/ -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States and Israel -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER: SHARES BENEFICIALLY 0 shares of Common Stock.* OWNED BY -------------------------------------------------------------- EACH 6 SHARED VOTING POWER: REPORTING PERSON 833,871 shares of Common Stock.* -------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER: 0 shares of Common Stock.* -------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER: 833,871 shares of Common Stock.* -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 833,871 shares of Common Stock. -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES / / -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 3.96% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON IN -------------------------------------------------------------------------------- * Based on 21,033,221 shares of the common stock, par value $0.001 per Shares (the "Shares") of BioDelivery Sciences International, Inc., a Delaware corporation (the "Company") outstanding, as represented in the Company's Quarterly Report on Form 10-Q for the period ended November 2, 2009. As of December 31, 2009, PSource Structured Debt Limited ( the "Investor") held a common stock purchase warrant (the "Warrant ") to acquire 833,871 Shares at an exercise price of $5.00 per Share, subject to certain adjustments. The Warrant contains an issuance limitation prohibiting the Investor from exercising those securities to the extent that such exercise would result in beneficial ownership by the Investor of more than 9.99% of the Shares then issued and outstanding (the "Issuance Limitation"). The Issuance Limitation may be waived by the Investor upon at least 75 days prior notice to the Company and shall also become automatically null and void following notice to the Issuer of the occurrence and/or continuance of an Event of Default (as defined in and pursuant to the terms of the applicable instrument). The Investor is managed by Laurus Capital Management, LLC, subject to certain preapproval rights of the board of directors of the Investor. Eugene Grin and David Grin, through other entities, are the controlling principals of Laurus Capital Management, LLC and share voting and investment power over the securities owned by the Investor reported in this Schedule 13G, as amended. -------------------------------------------------------------------------------- CUSIP No. 09060J106 -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON: Eugene Grin -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) / / (b) /X/ -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER: SHARES BENEFICIALLY 0 shares of Common Stock.* OWNED BY -------------------------------------------------------------- EACH 6 SHARED VOTING POWER: REPORTING PERSON 833,871 shares of Common Stock.* -------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER: 0 shares of Common Stock.* -------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER: 833,871 shares of Common Stock.* -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 833,871 shares of Common Stock. -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES / / -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 3.96% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON IN -------------------------------------------------------------------------------- * Based on 21,033,221 shares of the common stock, par value $0.001 per Shares (the "Shares") of BioDelivery Sciences International, Inc., a Delaware corporation (the "Company") outstanding, as represented in the Company's Quarterly Report on Form 10-Q for the period ended November 2, 2009. As of December 31, 2009, PSource Structured Debt Limited ( the "Investor") held a common stock purchase warrant (the "Warrant ") to acquire 833,871 Shares at an exercise price of $5.00 per Share, subject to certain adjustments. The Warrant contains an issuance limitation prohibiting the Investor from exercising those securities to the extent that such exercise would result in beneficial ownership by the Investor of more than 9.99% of the Shares then issued and outstanding (the "Issuance Limitation"). The Issuance Limitation may be waived by the Investor upon at least 75 days prior notice to the Company and shall also become automatically null and void following notice to the Issuer of the occurrence and/or continuance of an Event of Default (as defined in and pursuant to the terms of the applicable instrument). The Investor is managed by Laurus Capital Management, LLC, subject to certain preapproval rights of the board of directors of the Investor. Eugene Grin and David Grin, through other entities, are the controlling principals of Laurus Capital Management, LLC and share voting and investment power over the securities owned by the Investor reported in this Schedule 13G, as amended. Item 1(a). Name of Issuer: BIODELIVERY SCIENCES INTERNATIONAL, INC. Item 1(b). Address of Issuer's Principal Executive Offices: 2501 Aerial Center Parkway Suite 205 Morrisville, NC 27560 Item 2(a). Name of Person Filing: Laurus Capital Management, LLC This Schedule 13G, as amended, is also filed on behalf of PSource Structured Debt Limited, a closed-ended company incorporated with limited liability in Guernsey, Eugene Grin and David Grin. Laurus Capital Management, LLC manages PSource Structured Debt Limited, subject to certain preapproval rights of the board of directors of PSource Structured Debt Limited. Eugene Grin and David Grin, through other entities, are the controlling principals of Laurus Capital Management, LLC and share voting and investment power over the securities owned by PSource Structured Debt Limited. Information related to each of PSource Structured Debt, Limited, Eugene Grin and David Grin is set forth on Appendix A hereto. Item 2(b). Address of Principal Business Office or if none, Residence: 335 Madison Avenue, 10th Floor, New York, New York, 10017 Item 2(c). Citizenship: Delaware Item 2(d). Title of Class of Securities: Common Stock Item 2(e). CUSIP Number: 09060J106 Item 3. Not Applicable Item 4. Ownership: (a) Amount Beneficially Owned: 833,871 shares of Common Stock* (b) Percent of Class: 3.96%* (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 shares of Common Stock* (ii) shared power to vote or to direct the vote: 833,871 shares of Common Stock* (iii) sole power to dispose or to direct the disposition of: 0 shares of Common Stock* (iv) shared power to dispose or to direct the disposition of: 833,871 shares of Common Stock* Item 5. Ownership of Five Percent or Less of a Class: If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the owner of more than five percent of the class of securities, check the following: /X/ Item 6. Ownership of More than Five Percent on Behalf of Another Person: Not applicable Item 7. Identification and Classification of Subsidiary Which Acquired the Securities: Not applicable Item 8. Identification and Classification of Members of the Group: Not applicable Item 9. Notice of Dissolution of Group: Not applicable Item 10. Certification: By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. ------------ * Based on 21,033,221 shares of the common stock, par value $0.001 per Shares (the "Shares") of BioDelivery Sciences International, Inc., a Delaware corporation (the "Company") outstanding, as represented in the Company's Quarterly Report on Form 10-Q for the period ended November 2, 2009. As of December 31, 2009, PSource Structured Debt Limited (the "Investor") held a common stock purchase warrant (the "Warrant ") to acquire 833,871 Shares at an exercise price of $5.00 per Share, subject to certain adjustments. The Warrant contains an issuance limitation prohibiting the Investor from exercising those securities to the extent that such exercise would result in beneficial ownership by the Investor of more than 9.99% of the Shares then issued and outstanding (the "Issuance Limitation"). The Issuance Limitation may be waived by the Investor upon at least 75 days prior notice to the Company and shall also become automatically null and void following notice to the Issuer of the occurrence and/or continuance of an Event of Default (as defined in and pursuant to the terms of the applicable instrument). The Investor is managed by Laurus Capital Management, LLC, subject to certain preapproval rights of the board of directors of the Investor. Eugene Grin and David Grin, through other entities, are the controlling principals of Laurus Capital Management, LLC and share voting and investment power over the securities owned by the Investor reported in this Schedule 13G, as amended. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. February 12, 2010 --------------------------------- Date LAURUS CAPITAL MANAGEMENT, LLC /s/ Eugene Grin --------------------------------- Eugene Grin Principal APPENDIX A A. Name: PSource Structured Debt Limited, a closed-ended company incorporated with limited liability in Guernsey Address: c/o Laurus Capital Management, LLC 335 Madison Avenue, 10th Floor New York, New York 10017 Place of Organization: Guernsey B. Name: David Grin Business 335 Madison Avenue, 10th Floor Address: New York, New York 10017 Principal Occupation: Principal of Laurus Capital Management, LLC Citizenship: United States and Israel C. Name: Eugene Grin Business 335 Madison Avenue, 10th Floor Address: New York, New York 10017 Principal Occupation: Principal of Laurus Capital Management, LLC, Citizenship: United States Each of PSource Structured Debt Limited, Eugene Grin and David Grin hereby agrees, by their execution below, that the Schedule 13G, as amended, to which this Appendix A is attached is filed on behalf of each of them, respectively. PSource Structured Debt Limited By Laurus Capital Management, LLC, its investment manager /s/ Eugene Grin ----------------------------------------- Eugene Grin Authorized Signatory February 12, 2010 /s/ David Grin ----------------------------------------- David Grin February 12, 2010 /s/ Eugene Grin ----------------------------------------- Eugene Grin February 12, 2010