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Patient-reported outcomes in virologically suppressed, HIV-1-Infected subjects after switching to a simplified, single-tablet regimen of efavirenz, emtricitabine, and tenofovir DF.

Author(s): Hodder SL, Mounzer K, Dejesus E, Ebrahimi R, Grimm K, Esker S, Ecker J, Farajallah A, Flaherty JF, AI266073 Study Group

Affiliation(s): University of Medicine and Dentistry of New Jersey, Newark, New Jersey 07101, USA. hoddersa@umdnj.edu

Publication date & source: 2010-02, AIDS Patient Care STDS., 24(2):87-96.

Publication type: Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't

A randomized, open-label, multicenter study was conducted to evaluate the therapeutic switch to a single-tablet formulation of efavirenz/emtricitabine/tenofovir DF (EFV/FTC/TDF) among virologically suppressed, HIV-1-infected subjects. Eligible subjects on stable antiretroviral therapy (ART) with HIV-1 RNA less than 200 copies per milliliter for 3 months or more were stratified by prior protease inhibitor (PI)- or non-nucleoside reverse transcriptase inhibitor (NNRTI)-based therapy and randomized (2:1) to EFV/FTC/TDF or to stay on their baseline regimen (SBR). Patient-reported measures were quality of life (QOL; SF-36 [version 2]), treatment adherence (visual analogue scale), preference of medication (POM), perceived ease of the regimen for condition (PERC), and a 20-item HIV symptom index. Overall, 203 subjects were randomized to EFV/FTC/TDF and 97 to SBR. Fifty-three percent of subjects had previously received a PI-based regimen; 47% an NNRTI-based therapy. Throughout the study, SF-36 summary scores did not differ significantly from baseline, regardless of previous ART or treatment allocation. Adherence was 96% or more in both groups at baseline and all subsequent study visits. At study conclusion, the EFV/FTC/TDF regimen was considered easier to follow than prior regimens by 97% and 96% of subjects previously receiving PI-based and NNRTI-based therapies, respectively. Overall, 91% of subjects switched to EFV/FTC/TDF indicated a preference over their prior therapy. Switching to EFV/FTC/TDF was associated with transient worsening/emergence of dizziness and sustained improvements in several other HIV-related symptoms. In conclusion, switching virologically suppressed, HIV-1-infected subjects from PI-based or NNRTI-based regimens to EFV/FTC/TDF was associated with maintained QOL and treatment adherence, and improved ease of use and treatment satisfaction.

Page last updated: 2010-10-05

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