FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 8, 2004 DUSA PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) New Jersey 0-19777 22-3103129 (State or other (IRS Employer jurisdiction of (Commission Identification incorporation File Number) (Number) 25 Upton Drive Wilmington, Massachusetts 01887 (Address of principal executive offices, including ZIP code) (978) 657-7500 (Registrant's telephone number, including area code) Item 5. Other Events. DUSA Pharmaceuticals, Inc. ("DUSA") issued a press release on June 8, 2004 attached to and made part of this report, reporting DUSA's initiation of a Phase II Pilot Study of Levulan PDT for the treatment of High-grade Dysplasia in Barrett's Esophagus. Item 7. Financial Statements and other Exhibits. [99] Press Release dated June 8, 2004. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. DUSA PHARMACEUTICALS, INC. Dated: June 8, 2004 By: /s/ D. Geoffrey Shulman ----------------------------------------------- D. Geoffrey Shulman, MD, FRCPC President and Chief Executive Officer