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- Title
Fosamprenavir/ritonavir in advanced HIV disease (TRIAD): a randomized study of high-dose, dual-boosted or standard dose fosamprenavir/ritonavir in HIV-1-infected patients with antiretroviral resistance.
- Authors
Molina, Jean-Michel; Ait-Khaled, Mounir; Rinaldi, Roberto; Penco, Giovanni; Baril, Jean-Guy; Cauda, Roberto; Soriano, Vicente; Pialoux, Gilles; Wire, Mary Beth; Lou, Yu; Givens, Naomi; Craig, Charles; Nichols, W. Garrett; Barbosa, Inês; Yeo, Jane
- Abstract
Background APV102002 was an open-label study comparing a dual-boosted HIV-1 protease inhibitor (PI) [fosamprenavir/lopinavir/ritonavir (FPV/LPV/RTV; 1400 mg/533 mg/133 mg twice daily)] and a high dose of FPV/RTV 1400 mg/100 mg twice daily (HD-FPV/RTV) versus the standard FPV/RTV 700 mg/100 mg twice-daily (STD-FPV/RTV) regimen for 24 weeks. Methods Adult patients with prior failure to two or more PI-based regimens and on a failing PI regimen were randomized to STD-FPV/RTV (n = 24), HD-FPV/RTV (n = 25) or FPV/LPV/RTV (n = 25). The primary aim was to test week 24 superiority of HD-FPV/RTV and FPV/LPV/RTV over STD-FPV/RTV as measured by plasma HIV-1 RNA average area under the curve minus baseline (AAUCMB). Results There was no difference in the week 24 AAUCMB between the regimens. The proportion of patients with CÏ) was 49% higher in the HD-FPV/RTV arm than in the STD-FPV/RTV arm and similar in the FPV/LPV/RTV and STD-FPV/RTV arms. The plasma lopinavir CÏ was similar to historical data with standard LPV/RTV 400 mg/100 mg twice daily. All regimens were relatively well tolerated, although diarrhoea was more frequent in the HD-FPV/RTV and FPV/LPV/RTV arms, and hypertriglyceridaemia and increased total cholesterol were more common in the FPV/LPV/RTV arm. Conclusions While the strategies of higher dose FPV/RTV and dual FPV/LPV/RTV were relevant at the time of study initiation, new therapies for antiretroviral-experienced patients make such strategies of limited interest. In addition, this study failed to demonstrate antiviral superiority of the HD-FPV/RTV or FPV/LPV/RTV regimen over the STD-FPV/RTV twice-daily regimen in highly treatment-experienced patients.
- Subjects
ANTIRETROVIRAL agents; HIV-positive persons; HIV infections; RANDOMIZED controlled trials; DRUG dosage; PROTEASE inhibitors; DRUG resistance
- Publication
Journal of Antimicrobial Chemotherapy (JAC), 2009, Vol 64, Issue 2, p398
- ISSN
0305-7453
- Publication type
Article