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- Title
Impact of 48 week lopinavir/ritonavir monotherapy on blood cell-associated HIV-1-DNA in the MONARK trial.
- Authors
Avettand-Fenoel, Véronique; Flandre, Philippe; Chaix, Marie-Laure; Ghosn, Jade; Delaugerre, Constance; Raffi, François; NgoVan, Philippe; Cohen-Codar, Isabelle; Delfraissy, Jean-François; Rouzioux, Christine
- Abstract
Objectives: To study the impact of protease inhibitor monotherapy on the HIV-1 blood reservoir in 72 antiretroviral-naive patients. Patients and methods: This was evaluated for 72 antiretroviral-naive patients included in the on-treatment analysis of the MONARK trial; 46 patients receiving lopinavir/ritonavir monotherapy and 26 patients receiving a triple therapy. HIV-DNA was quantified in whole blood, using real-time PCR. Results: The decrease in HIV-DNA after 48 weeks of lopinavir/ritonavir monotherapy was similar to the decrease observed with triple therapy including lopinavir/ritonavir (-0.77 versus -0.69 log copies/106 leucocytes, respectively; P=0.91). The HIV-DNA decrease was also similar in patients with a virological response in both arms (-0.69 versus -0.69 log copies/106 leucocytes, respectively). Interestingly, non-responders had a significantly higher baseline HIV-DNA load than responders in the monotherapy arm; 3.16 versus 2.86 log copies/106 leucocytes, respectively (P=0.05). Conclusions: The MONARK data indicate that a lopinavir/ritonavir monotherapy regimen is potent against HIV blood reservoirs in antiretroviral-naive patients after 1 year of treatment, in comparison with a standard-of-care highly active antiretroviral therapy. This impact should be evaluated with other boosted protease inhibitor monotherapies.
- Subjects
MEDICAL research; THERAPEUTIC use of protease inhibitors; ANTIVIRAL agents; BLOOD cells; PHARMACODYNAMICS; PHARMACOKINETICS
- Publication
Journal of Antimicrobial Chemotherapy (JAC), 2010, Vol 65, Issue 5, p1005
- ISSN
0305-7453
- Publication type
Article
- DOI
10.1093/jac/dkq084