Journal of acquired immune deficiency syndromes (1999) · 2020
Brief Report: Virologic Response by Baseline Viral Load With Dolutegravir Plus Lamivudine vs Dolutegravir Plus Tenofovir Disoproxil Fumarate/Emtricitabine: Pooled Analysis.
Клиническое исследование III фазыСтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Eron Joseph, Hung Chien-Ching, Baril Jean-Guy, Slim Jihad, Falcó Vicenç, Bogner Johannes, Maggiolo Franco, Mills Anthony, Sievers Jörg, Man Choy Y, Urbaityte Rimgaile, Underwood Mark, Tenorio Allan R, Pappa Keith A, Wynne Brian, Koteff Justin, Gartland Martin, Smith Kimberly Y, Aboud Michael
Аннотация
BACKGROUND: To investigate antiviral potency of the 2-drug regimen (2DR) dolutegravir plus lamivudine vs the 3-drug regimen (3DR) dolutegravir plus tenofovir disoproxil fumarate/emtricitabine, we performed a post-hoc analysis assessing antiviral response rates in the phase III GEMINI-1 and GEMINI-2 studies by baseline viral load (VL).
SETTING: One hundred ninety-two centers in 21 countries.
METHODS: Treatment-naive HIV-1-infected participants with screening VL ≤500,000 copies/mL were randomized 1:1 to once-daily dolutegravir plus lamivudine or dolutegravir plus tenofovir disoproxil fumarate/emtricitabine. Median change from baseline was determined for log10-transformed VL in the overall study population and the subpopulation with baseline VL >100,000 copies/mL. Proportion of participants achieving plasma VL <50 copies/mL (Snapshot algorithm) or <40 copies/mL (Abbott RealTime HIV-1 assay) and target not detected was assessed through week 48 by baseline VL. Time to viral suppression was determined (nonparametric Kaplan-Meier method).
RESULTS: For 293 participants with baseline VL >100,000 copies/mL, median change from baseline at week 4 was -3.38 and -3.40 log10 copies/mL in the 2DR and 3DR groups, respectively; reduction was sustained throughout 48 weeks. Time to VL <50 copies/mL was longer in participants with baseline VL >100,000 copies/mL than the overall study population (57 [week 8] vs 29 days [week 4]) and similar between the 2DR and 3DR groups. Proportion of participants with VL <50 or <40 copies/mL and target not detected was similar between groups, irrespective of baseline VL, at all tested visits throughout 48 weeks.
CONCLUSION: Dolutegravir plus lamivudine demonstrates high antiviral potency in treatment-naive HIV-1-infected individuals across baseline VL strata.
SETTING: One hundred ninety-two centers in 21 countries.
METHODS: Treatment-naive HIV-1-infected participants with screening VL ≤500,000 copies/mL were randomized 1:1 to once-daily dolutegravir plus lamivudine or dolutegravir plus tenofovir disoproxil fumarate/emtricitabine. Median change from baseline was determined for log10-transformed VL in the overall study population and the subpopulation with baseline VL >100,000 copies/mL. Proportion of participants achieving plasma VL <50 copies/mL (Snapshot algorithm) or <40 copies/mL (Abbott RealTime HIV-1 assay) and target not detected was assessed through week 48 by baseline VL. Time to viral suppression was determined (nonparametric Kaplan-Meier method).
RESULTS: For 293 participants with baseline VL >100,000 copies/mL, median change from baseline at week 4 was -3.38 and -3.40 log10 copies/mL in the 2DR and 3DR groups, respectively; reduction was sustained throughout 48 weeks. Time to VL <50 copies/mL was longer in participants with baseline VL >100,000 copies/mL than the overall study population (57 [week 8] vs 29 days [week 4]) and similar between the 2DR and 3DR groups. Proportion of participants with VL <50 or <40 copies/mL and target not detected was similar between groups, irrespective of baseline VL, at all tested visits throughout 48 weeks.
CONCLUSION: Dolutegravir plus lamivudine demonstrates high antiviral potency in treatment-naive HIV-1-infected individuals across baseline VL strata.