OBJECTIVE: To assess the efficacy and safety of switch to dolutegravir and lamivudine (DTG/3TC) single tablet regimen from bictegravir, emtricitabine and tenofovir alafenamide (B/F/TAF) in persons living with HIV aged 60 years old or more. METHODS: This is a phase 3b, multi-center, open-label, single-arm clinical trial over 96 weeks. The study will take place at two sites in Kenya: Kenyatta National Hospital (KNH) and Jaramogi Oginga Odinga Teaching and Referral Hospital (JOOTRH). Study visits will take place at screening, baseline, and weeks 4, 12, 24, 36, 48, 60, 72, 84, and 96 (with a 6-week extension as required for confirming HIV-1 RNA levels). A target of 240 participants from the ongoing B/F/TAF Elderly Switch Study will be enrolled. Eligible participants will be switched from B/F/TAF to DTG/3TC at enrollment and followed up for 96 weeks. The primary endpoint will be the proportion of participants with plasma HIV-1 RNA ≥ 50 copies/mL (Snapshot algorithm) at Week 48. Analysis of the primary endpoint will be performed for the intention to treat - exposed (ITT-E) population using the FDA snapshot method.
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Proportion of participants with virological failure at week 48
Timeframe: 48 weeks