WATERTOWN, Mass.--(BUSINESS WIRE)--Panacos Pharmaceuticals, Inc. (Nasdaq: PANC), a biotechnology company dedicated to developing the next generation of antiviral therapeutic products, today announced its 100mg tablet formulation of bevirimat has shown very good bioavailability compared to the Company’s oral solution formulation of bevirimat. Bevirimat is the only novel-mechanism oral drug in late-stage development for HIV. This new tablet formulation will be used in the bevirimat extended-duration study, Study 205, and in the Phase 3 program, subject to positive results in the remainder of the Phase 2 program.