On the surface, Viread seemed to work like AZT and Zerit, but underneath it worked better.
The other drug in Phase 3 trials is Viread--Gilead's biggest-selling drug to treat HIV.
Its Viread or one of the combinations that contain it is taken by eight in ten AIDS patients.
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That library provided three Gilead drugs that made it to market: Viread for HIV, Vistide for AIDS and Hepsera for hepatitis B.
But as King points out, approval of Viread for hepatitis B will likely cannibalize sales of Gilead's existing hep B drug, Hepsera.
Tenofovir is marketed by Gilead Sciences under the trade name Viread.
The currently recommended treatment for newly diagnosed patients is a single pill (Atripla) taken dailythat combines three brand-name antiretrovirals - tenofovir (Viread), emtricitabine (Emtriva) and efavirenz (Sustiva).
The current trial tests how Viread performs against hepatitis B.
Cut to October 2001 and the same restaurant: Gilead's new HIV drug, Viread, has just won approval, and Martin focuses again on his top scientist, who is giddy and grinning.
The Quad is a once-a-day pill that aims to provide Gilead with a revenue stream that will last beyond the patent expiration of its key drug Viread and its current one-a-day, Atripla.
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