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- Title
Etravirine in protease inhibitor-free antiretroviral combination therapies.
- Authors
Schuelter, E; Luebke, N; Jensen, B; Zazzi, M; Sönnerborg, A; Lengauer, T; Incardona, F; Camacho, R; Schmit, J; Clotet, B; Kaiser, R; Pironti, A
- Abstract
Etravirine (ETR) is a next generation non-nucleoside reverse transcriptase inhibitor (NNRTI). The studies for ETR EMA approval were almost exclusively performed together with the protease inhibitor (PI) darunavir. However the fact that ETR can be active against NNRTI-pretreated HIV variants and that it is well tolerated suggests its application in PI-free antiretroviral combination therapies. Although approved only for PI-containing therapies, a number of ETR treatments without PIs are performed currently. To evaluate the performance of ETR in PI-free regimens, we analyzed the EURESIST database. We observed a total of 70 therapy switches to a PI-free, ETR containing antiretroviral combination with detectable baseline viral load. 50/70 switches were in male patients and 20/70 in females. The median of previous treatments was 10. The following combinations were detected in the EURESIST database: ETR+MVC+RAL (20.0%); ETR+FTC+TDF (18.6%); 3TC+ETR+RAL (7.1%); 3TC+ABC+ETR (5.7%); other combinations (31.4%). A switch was defined as successful when either ≤50 copies/mL or a decline of the viral load of 2 log10, both at week 24 (range 18-30) were achieved. The overall success rate (SR) was 77% (54/70), and for the different combinations: ETR+MVC+RAL=78.6% (11/14); ETR+FTC+TDF=92.3% (12/13); 3TC+ETR+RAL =80.0% (4/5), 3TC+ABC+ETR=100% (SR 4/4); and for other combinations=67.6% (23/34). These SR values are comparable to those for other therapy combinations in such pretreated patients.
- Subjects
ETRAVIRINE (Drug); PROTEASE inhibitors; ACE inhibitors; ANTIRETROVIRAL agents; HIV-positive persons; THERAPEUTICS
- Publication
Journal of the International AIDS Society, 2012, Vol 15, p1
- ISSN
1758-2652
- Publication type
Article
- DOI
10.7448/IAS.15.6.18260