Gilead Sciences (Foster City, CA) Announces The Advancement Of HIV Integrase Inhibitor GS 9137 To A Phase II Clinical Trial

FOSTER CITY, Calif.--(BUSINESS WIRE)--Jan. 9, 2006--Gilead Sciences, Inc. (Nasdaq:GILD) today announced that it has completed a Phase I/II study of JTK-303, or GS 9137, an oral HIV integrase inhibitor for the treatment of HIV licensed from Japan Tobacco (JT) in March 2005. The company anticipates presenting results from the Phase I/II dose-escalation study, which evaluated the tolerability, safety and antiviral activity of GS 9137 in HIV-positive patients, at an upcoming scientific conference. Based on the results of this study, Gilead anticipates evaluating three once-daily doses for GS 9137, 20 mg, 50 mg and 125 mg, each boosted with ritonavir 100 mg in a Phase II clinical trial, which it plans to initiate in the first half of this year.

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