Antigenics Inc. (New York) Reports Positive Data on QS-21 Stimulon(R) Adjuvant in Acambis' Influenza A Vaccine

NEW YORK--(BUSINESS WIRE)--Antigenics Inc. (NASDAQ: AGEN) today announced that Acambis (LSE: ACM) has released results from a Phase 1 study of its ACAM-FLU-A™ vaccine, which contains Antigenics’ QS-21 Stimulon® adjuvant. Based on these results, Acambis exercised its option for a commercial license to QS-21. Under the terms of the agreement, Antigenics is entitled to receive future milestone payments and product royalties in the event of successful development and commercialization of ACAM-FLU-A. QS-21 is an investigational adjuvant, which is a substance added to vaccines and other immunotherapies that is designed to enhance the body’s immune response to the antigen contained within the treatment.

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