Overview

ATV/Ritonavir Nevirapine Interaction (USPAC)

Status:
Completed
Trial end date:
2006-07-01
Target enrollment:
0
Participant gender:
All
Summary
Open-Label, multiple-dose, drug interaction study to assess the effect of nevirapine on the pharmacokinetics of atazanavir in HIV-infected individuals.
Phase:
Phase 1
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Bristol-Myers Squibb
Treatments:
Atazanavir Sulfate
Nevirapine
Ritonavir
Criteria
Inclusion Criteria:

- signed informed consent form

- For Cohort 1, HIV-infected subjects receiving nevirapine 200 mg twice-daily and 2 to 3
NRTIs for at least 6 weeks

- For Cohort 2, HIV-infected subjects receiving atazanavir 300 mg and ritonavir 100 mg
once-daily and 2 to 3 NRTIs for at least 6 weeks

- Have had 2 measurements of plasma HIV RNA of <400 copies/mL. The first test being 6 to
16 weeks prior and the second being within 3 weeks prior to Day 1

- Have CD4 cell count >=200 cells/mm3

- Body Mass Index of 18 to 35 kg/m2.

- Men and women, ages 18 to 55.

Exclusion Criteria:

- Women who are pregnant or breastfeeding

- Presence of a newly diagnosed HIV-related opportunistic infection or CD4 cell count
<200 cell/mm3 within the previous 6 months.

- Any significant acute or chronic medical illness, unless stable or controlled by a
non-prohibited medication.

- History of virologic failure on an antiretroviral regimen.