Utilization of HIV Drug Resistance Testing in Treatment Experienced Patients (UTILIZE Study)

Inclusion Criteria

• •1. Signed patient informed consent prior to study participation.
• •2. HIV-1 infected male or female ?18 years of age.
• •3. Have confirmed (2 consecutive) HIV RNA ?1000 copies/mL (one of the results must be within 3 months of enrollment into the study).
• •4. Current HAART regimen contains a protease inhibitor for ?3 months.
• •5. Physicians considering a change in the patient?s HAART regimen. f.) History of treatment with 2 or more protease inhibitors (including the current PI). Low dose ritonavir (i.e.\< 400 mg. bid) is not counted as one of the PIs.