Lippincott, Williams & Wilkins, Journal of Acquired Immune Deficiency Syndromes, 5(62), p. 483-486, 2013
DOI: 10.1097/qai.0b013e318286415c
Lippincott, Williams & Wilkins, Journal of Acquired Immune Deficiency Syndromes, 5(63), p. e171
DOI: 10.1097/qai.0b013e3182a1fe0f
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This ongoing, randomized, double-blind, active-controlled Phase 3 international trial demonstrated the non-inferior efficacy of elvitegravir/cobicistat/emtricitabine/tenofovir DF (EVG/COBI/FTC/TDF) compared to atazanavir boosted by ritonavir (ATV/RTV) plus emtricitabine/tenofovir disoproxil fumarate (FTC/TDF) at 48 weeks. Here, we report the Week 96 results. Of 708 treated subjects, virologic success (FDA Snapshot) was maintained at Week 96 with EVG/COBI/FTC/TDF and ATV/RTV+FTC/TDF (83% vs 82%, difference 1.1%, 95% CI -4.5% to 6.7%). Study drug discontinuations due to adverse events (AEs) were low (4% vs 6%). Median increases from baseline in serum Cr (mg/dL) in EVG/COBI/FTC/TDF vs ATV/RTV+FTC/TDF at Week 96 (0.12 vs 0.08) were similar to those at Week 48 (0.12 vs 0.08). EVG/COBI/FTC/TDF showed similar mean decreases (%) in BMD from baseline vs ATV/RTV+FTC/TDF (hip: -3.16 vs -4.19, P= 0.069, spine: -1.96 vs -3.54, P=0.049). Overall, Week 96 results support durable efficacy and safety of EVG/COBI/FTC/TDF in HIV-1 infected patients.