CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 242 enrolled
Drug / intervention
Islatravir +1 moredrug
Likely dose
Islatravir 30 mgfrom 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/NCT04003103
NCT04003103Phase 2Completed

A Phase 2a, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of Oral MK-8591 Once-Monthly in Participants at Low- Risk for HIV-1 Infection

Merck Sharp & Dohme LLC·interventional·Posted Jul 1, 2019·Updated Jul 18, 2025

In Brief

A Phase 2 clinical trial evaluating Islatravir and Placebo for HIV-1 Infection. Completed, enrolled 242 participants across 9 sites in 3 countries.

Detailed Summary

This study will evaluate the safety, tolerability and pharmacokinetics (PK) of 6 once-monthly doses of oral islatravir (60 mg and 120 mg) compared with placebo in adults at low risk of HIV-1 infection

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsHIV-1 Infection
CountriesIsrael, South Africa, United States
Collaborators--

Timeline

Phase 2CompletedFinished
2020202120222023202420252026
First PostedJul 1, 2019
Enrollment StartSep 19, 2019
Primary CompletionMar 18, 2022
Study CompletionNov 24, 2022
TodayJul 2, 2026
Enrollment to primary: 2.5 yearsPosted 7.0 years ago

Interventions

Islatravirdrug

Islatravir 30 mg capsules taken by mouth.

Placebodrug

Placebo capsules taken by mouth.