Atazanavir/ritonavir

Pharmacokinetic Interaction Between Nitazoxanide and Atazanavir/Ritonavir in Healthy Volunteers

Study to Determine the Pharmacokinetic Behavior of Antiretroviral Drugs in Patients Infected by HIV

Switch to Unboosted Atazanavir With Tenofovir Study

Switching From Efavirenz to Atazanavir/ Ritonavir in HIV-infected Subjects With Good Virologic Suppression

Roll-Over Protocol To Provide Atv And/Or Truvada For Extended Access

Safety Study of Raltegravir in HIV/HCV Co-infected Patients

The CogNaive Study: Assessing Changes in Neurocognitive Function in Treatment Naïve HIV-1 Positive Subjects

Effects of Treatment Changes on Fat Wasting in the Arms and Legs of HIV Patients

Safety and Efficacy Study Comparing Raltegravir to a Protease Inhibitor in Treatment-naïve, HIV/Hepatitis C Drug Users

Drug Interaction Study With Proton Pump Inhibitor

BASIC: Boosted Atazanavir or Saquinavir Induced Lipid Changes

Metabolic Effects of Switching Kaletra to Boosted Reyataz

A Phase IIIb Study Comparing Two Boosted Protease Inhibitor-based HAART Regimens in HIV-infected Patients Experiencing Their First Virologic Failure While Receiving an NNRTI-containing HAART Regimen

Drug Interaction Study of Famotidine and Atazanavir With Ritonavir in HIV-Infected Patients