Effectiveness and Safety of Darunavir/Cobicistat Plus Lamivudine Compared With Darunavir/Cobicistat Plus Tenofovir Alafenamide/Emtricitabine in Virologically Suppressed People Living With HIV at 24 and 48 Weeks of Follow-up

Condition(s) studied

Investigational drug(s) / intervention(s)

Dual therapy: darunavir/cobicistat + lamivudine: The intervention group will receive dual therapy with DRV/C 800/150 mg + 3TC 300 mg, which will be compared to standard 3-drug therapy: DRV/C 800/150 mg + TAF/FTC 10/200 mg.

Triple therapy: darunavir/cobicistat plus tenofovir alafenamide/emtricitabine: The intervention group will receive triple therapy: DRV/C 800/150 mg + TAF/FTC 10/200 mg.which will be compared to dual therapy with DRV/C 800/150 mg + 3TC 300 mg.

Study summary

A single-center, open-label, randomized pilot clinical trial between March 2025 and March 2026 at the Hospital de Infectología "La Raza" National Medical Center in Mexico City. Eligible participants were adult males (≥18 years) with HIV-1 infection who had maintained virological suppression (HIV-1 RNA \<50 copies/mL) for 48 weeks on either DRV/c + 3TC or DRV/c + TDF/FTC prior to enrollment (TLALOC-1 trial), and had an estimated glomerular filtration rate (eGFR) by CKD-EPI ≥60 mL/min/1.73 m². The primary endpoints were virological efficacy and safety at 24 weeks.

Eligibility

Primary outcome measure(s)

• Effectiveness — at 24 and 48 weeks
  HIV-1 RNA ≥50 copies/mL

Trial sites (1)

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