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A One-Way Drug-Drug Interaction Study to Assess the Effect of Ritonavir-boosted Atazanavir on the
Pharmacokinetics, Safety and Tolerability of BMS-790052 in Healthy Subjects

Primary Objective: To assess the effect of multiple oral doses of atazanavir 300 mg + ritonavir 100 mg once daily on the PK of BMS-790052 at steady state in healthy subjects.Secondary Objective(s): To assess the safety of multiple oral doses of BMS-…

Pharmacokinetic and safety pilotstudy of RAltegravir and atazanavir in a once DAily dose regimen in HIV-1 in-fected patients (PRADA)

Primary: To compare the pharmacokinetics of raltegravir 400 mg twice daily vs. ralte-gravir 800 mg once daily (QD) by intrasubject comparison. Secondary: To determine the efficacy of an antiretroviral regimen consisting of raltegravir 800mg QD,…

Study to Assess the Pharmacokinetic Drug - Drug Interactions between Atazanavir Plus Ritonavir Coadministered with Voriconazole in Healthy Subjects.

Primary Objectives:• To assess the effects of VOR 200 mg BID on the steady-state PK of ATV administered as ATV/RTV300/100 mg QD in healthy subjects• To assess the effects of ATV/RTV 300/100 mg QD on the steady-state PK of VOR 200 mg BID inhealthy…

A Phase I, open-label, randomized, 2-way crossover trial in 2 parallel panels of 20 healthy subjects each to investigate the pharmacokinetic interaction between lopinavir/ritonavir (LPV/rtv) and telaprevir, and between atazanavir/ritonavir (ATV/rtv) and telaprevir, all at steady-state.

The first aim of the study is to investigate the effect of telaprevir on the concentration of LPV/rtv and ATV/rtv in the blood and the effect of LPV/rtv and of ATV/rtv the concentration of telaprevir in the blood.The second aim is to investigate the…

Pharmacokinetics, safety and efficacy of atazanavir /dolutegravir/lamivudine regimen as maintenance regimen in patients with intolerance and/or resistance to NRTIs, NNRTIs and RTV: a pilot study (PRADA II study)

Primary objective:To assess the pharmacokinetics of the alternative maintenance QD regimen combining atazanavir, dolutegravir and lamivudine in HIV infected patients. Secondary objectives:To asses short term efficacy of the combination of atazanavir…

A drug-drug interaction study between the novel anti-HCV agent daclatasvir and the antiretroviral agents atazanavir/ritonavir or atazanavir/cobicistat in healthy volunteers.

Primary objective:To compare the effect of multiple dose atazanavir/cobicistat on the multiple dose phar-macokinetics of daclatasvir with the effect of atazanavir/ritonavir on the multiple dose of daclatasvir by intra-subject comparison in healthy…