A Phase IV, Multicenter, Cross-sectional Study to Evaluate the I50L Substitution Among Subjects Experiencing Virologic Failure on a HAART Regimen Containing Atazanavir (ATV)
A Phase IV, Multicenter, Cross-sectional Study to Evaluate the I50L Substitution Among Subjects Experiencing Virologic Failure on a HAART Regimen Containing Atazanavir (ATV)
The purpose of this study is to find out the frequency of the I50L substitution among patients experiencing treatment failure on an atazanavir-containing regimen.
Inclusion Criteria:
Atazanavir - containing antiretroviral regimen
Confirmed virologic failure defined as either:
At least 18 years old
Exclusion Criteria: