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Brief Report: Randomized, Double-Blind Comparison of Tenofovir Alafenamide (TAF) vs Tenofovir Disoproxil Fumarate (TDF), Each Coformulated With Elvitegravir, Cobicistat, and Emtricitabine (E/C/F) for Initial HIV-1 Treatment: Week 144 Results

2017; Lippincott Williams & Wilkins; Volume: 75; Issue: 2 Linguagem: Inglês

10.1097/qai.0000000000001350

1944-7884

José Ramón Arribas, Melanie Thompson, Paul E. Sax, Bernhard Haas, Cheryl McDonald, David A. Wohl, Edwin DeJesus, Amanda E. Clarke, Susan Guo, Hui Wang, Christian Callebaut, Andrew Plummer, Andrew Cheng, Moupali Das, Scott McCallister,

HIV Research and Treatment

Abstract: In 2 double-blind phase 3 trials, 1733 antiretroviral-naive adults were randomized to tenofovir alafenamide (TAF) or tenofovir disoproxil fumarate (TDF), each coformulated with elvitegravir/cobicistat/emtricitabine (E/C/F). At 144 weeks, TAF was superior to TDF in virologic efficacy, with 84.2% vs 80.0% having HIV-1 RNA <50 copies/mL (difference 4.2%; 95% confidence interval: 0.6% to 7.8%). TAF had less impact than TDF on bone mineral density and renal biomarkers. No participants on TAF had renal-related discontinuations vs 12 on TDF ( P < 0.001), with no cases of proximal tubulopathy for TAF vs 4 for TDF. There were greater increases in lipids with TAF vs TDF, with no difference in the total cholesterol to high-density lipoprotein ratio. For initial HIV therapy, E/C/F/TAF is superior to E/C/F/TDF in efficacy and bone and renal safety.