CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 161 enrolled
Drug / intervention
Islatravir +5 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04564547
NCT04564547Phase 2Completed

A Phase 2b, Randomized, Active-Controlled, Double-Blind, Dose-Ranging Clinical Study to Evaluate a Switch to Islatravir (ISL) and MK-8507 Once-Weekly in Adults With HIV-1 Virologically Suppressed on Bictegravir/Emtricitabine/Tenofovir Alafenamide (BIC/FTC/TAF) Once-Daily

Merck Sharp & Dohme LLC·interventional·Posted Sep 25, 2020·Updated Jan 26, 2026

In Brief

A Phase 2 clinical trial evaluating Islatravir, Ulonivirine, and 4 other interventions for HIV-1 Infection. Completed, enrolled 161 participants across 23 sites in 3 countries.

Detailed Summary

This is a randomized, controlled, double-blind, study to evaluate the safety and tolerability of islatravir (ISL) + ulonivirine based on review of the accumulated safety data, in adult participants with human immunodeficiency virus type 1 (HIV-1) who have been virologically suppressed for ≥6 months on bictegravir/emtricitabine/tenofovir alafenamide (BIC/FTC/TAF) once-daily.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsHIV-1 Infection
CountriesFrance, Switzerland, United States
Collaborators--

Timeline

Phase 2CompletedFinished
202120222023202420252026
First PostedSep 25, 2020
Enrollment StartMar 9, 2021
Primary CompletionJan 30, 2025
TodayJul 2, 2026
Enrollment to primary: 3.9 yearsPosted 5.8 years ago

Interventions

Islatravirdrug

ISL capsule taken by mouth.

Ulonivirinedrug

Ulonivirine tablet taken by mouth.

BIC/FTC/TAFdrug

BIC/FTC/TAF tablet taken by mouth.

Placebo to ISLdrug

Placebo capsule matched to ISL taken by mouth.

Placebo to Ulonivirinedrug

Placebo tablet matched to ulonivirine taken by mouth.

Placebo to BIC/FTC/TAFdrug

Placebo tablet matched to BIC/FTC/TAF taken by mouth.