Effect of the Atazanavir (ATV) 150L Mutation on Subsequent Treatment Response in HIV Infected Subjects

Exclusion Criteria

• •Women of child bearing potential who are unwilling or unable to use an acceptable method to avoid pregnancy for the entire study period and for up to 8 weeks after the study.
• •Women who are pregnant or breastfeeding.
• •A life expectancy of \<12 months.
• •Presence of a newly diagnosed HIV-related opportunistic infection or any other medical condition requiring acute therapy at the time of enrollment.
• •Active alcohol or substance abuse sufficient, in the investigator's opinion, to prevent adequate adherence to study therapy or to increase the risk of developing pancreatitis or chemical hepatitis.