Overview Atazanavir Twice Daily Status: Completed Trial end date: 2006-09-01 Target enrollment: Participant gender: Summary The purpose of this clinical research study is to assess the pharmacokinetics of atazanavir administered twice-daily relative to historical data from atazanavir/ritonavir 300/100 mg, given once daily. Phase: Phase 1 Details Lead Sponsor: Bristol-Myers SquibbTreatments: Atazanavir Sulfate