Atazanavir/ ritonavir atazanavir AUC ↓ 0.86 (0.79-0.93) 300/ 100 mg q. d. atazanavir Cmin ↓ 0.62 (0.55-0.71) atazanavir Cmax ↔ 0.97 (0.89-1.05) etravirine AUC ↑ 1.30 (1.18-1.44) etravirine Cmin ↑ 1.26 (1.12-1.42) etravirine Cmax ↑ 1.30 (1.17-1.44)