UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 August 2, 2007 Date of Report (Date of earliest event reported) -------------------------------------------------------------------------------- ANTIGENICS INC. (Exact name of registrant as specified in its charter) -------------------------------------------------------------------------------- DELAWARE 000-29089 06-1562417 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 162 Fifth Avenue, Suite 900 New York, NY 10010 (Address of principal executive offices) (Zip Code) 212-994-8200 (Registrant's telephone number, including area code) -------------------------------------------------------------------------------- Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 7.01 Regulation FD Disclosure On August 2, 2007, Antigenics Inc. announced that it has completed the submission of an application for marketing authorization with the Russian Ministry of Public Health for the use of Oncophage(R) (vitespen) in the treatment of kidney cancer patients at intermediate risk for disease recurrence. This submission contains final investigator-reported results from the largest, randomized, Phase 3 kidney cancer trial ever completed in the adjuvant treatment setting. The full text of the press release issued in connection with the announcement is being furnished as Exhibit 99.1 to this current report on Form 8-K. Item 9.01 Financial Statements and Exhibits (d) Exhibits The following exhibit is furnished herewith: 99.1 Press Release dated August 2, 2007 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. ANTIGENICS INC. Date: August 2, 2007 By: /s/ Garo H. Armen ------------------------- Garo H. Armen, Ph.D. Chairman and Chief Executive Officer EXHIBIT INDEX Exhibit No. Description of Exhibit ----------- ---------------------- 99.1 Press Release dated August 2, 2007