🏛️ Verified NIH Record • Updated 2026-06-29

A Study to Evaluate the Efficacy, Safety, and Tolerability of Using an Oral Once-daily 2 Drug Regimen Compared to an Oral Once-daily 3 Drug Regimen for the Treatment of Human Immunodeficiency Virus (HIV)-1 in Adults Who Have Not Previously Taken Antiretroviral Therapy (NCT05979311)

A Phase 3b, Multi-center, Randomized, Parallel-group, Open-label, Non-inferiority Study Evaluating the Efficacy, Safety, and Tolerability of Oral Dolutegravir/Lamivudine Once-daily as a First-line Regimen Compared to Oral Bictegravir/Emtricitabine/Tenofovir Alafenamide Once Daily for Virologic Suppression and Maintenance in Antiretroviral Therapy Naive Adults Living With HIV

🔵 Active, Not Recruiting Phase3 💊 Investigational Drug / Biologic Sponsor: ViiV Healthcare

🩺 Plain-English Summary (8th-Grade Level)

This study will compare safety, efficacy, participant reported outcomes and implementation outcomes of a fixed dose combination (FDC) of a two-drug regimen dolutegravir (DTG) plus lamivudine (3TC) and a three-drug regimen FDC of bictegravir (BIC), emtricitabine (FTC) and tenofovir alafenamide (TAF) in HIV-1 infected adult participants who have not previously received antiretroviral therapy.

Who can join: Review the eligibility criteria below.

Location: GSK Investigational Site — Ciudad Autonoma de Buenos Aire

Age range: 18 Years

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (64 Sites)

Showing the first 25 of 64 sites.

  • GSK Investigational Site — Ciudad Autonoma de Buenos Aire,
  • GSK Investigational Site — Córdoba,
  • GSK Investigational Site — Antwerp,
  • GSK Investigational Site — Brussels,
  • GSK Investigational Site — Ghent,
  • GSK Investigational Site — Hvidovre,
  • GSK Investigational Site — Bordeaux,
  • GSK Investigational Site — Bordeaux,
  • GSK Investigational Site — Lyon,
  • GSK Investigational Site — Montpellier,
  • GSK Investigational Site — Nice,
  • GSK Investigational Site — Nîmes,
  • GSK Investigational Site — Paris,
  • GSK Investigational Site — Paris,
  • GSK Investigational Site — Paris,
  • GSK Investigational Site — Paris,
  • GSK Investigational Site — Berlin,
  • GSK Investigational Site — Cologne,
  • GSK Investigational Site — Frankfurt,
  • GSK Investigational Site — Hamburg,
  • GSK Investigational Site — München,
  • GSK Investigational Site — Athens,
  • GSK Investigational Site — Athens,
  • GSK Investigational Site — Thessaloniki,
  • GSK Investigational Site — Dublin,

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

Explore by condition: All HIV clinical trials

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗