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Completed Phase 2 Interventional Results available

Islatravir (MK-8591) With Doravirine and Lamivudine in Participants Infected With Human Immunodeficiency Virus Type 1 (MK-8591-011)

ClinicalTrials.gov ID: NCT03272347

Public ClinicalTrials.gov record NCT03272347. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 3, 2026, 3:53 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2B, Randomized, Double-Blind, Active-Comparator-Controlled, Dose-Ranging Clinical Trial to Evaluate the Safety, Tolerability, Antiretroviral Activity, and Pharmacokinetics of MK-8591 Given in Combination With Doravirine (DOR) and Lamivudine (3TC) in HIV-1-Infected Treatment-Naïve Adults

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will evaluate the safety, tolerability, antiretroviral activity, and pharmacokinetics of 3 doses of islatravir (MK-8591) in combination with doravirine (DOR) and lamivudine (3TC) administered to antiretroviral treatment-naïve adult participants with human immunodeficiency virus type 1 (HIV-1) infection.

Study identification

NCT ID
NCT03272347
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
123 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 26, 2017
Primary completion
Mar 7, 2021
Completion
Mar 8, 2022
Last update posted
Mar 28, 2023

2017 – 2022

United States locations

U.S. sites
10
U.S. states
7
U.S. cities
10
Facility City State ZIP Site status
Pueblo Family Physicians ( Site 0119) Phoenix Arizona 85015
University California / Davis ( Site 0101) Sacramento California 95817
Whitman Walker Clinic ( Site 0108) Washington D.C. District of Columbia 20005
Orlando Immunology Center (OIC) ( Site 0105) Orlando Florida 32803
Northstar Medical Center ( Site 0102) Chicago Illinois 60657
Kansas City CARE Clinic ( Site 0106) Kansas City Missouri 64111
Saint Hope Foundation, Inc. ( Site 0116) Bellaire Texas 77401
North Texas Infectious Diseases Consultants, PA ( Site 0103) Dallas Texas 75246
Tarrant County Infectious Disease Associates ( Site 0112) Fort Worth Texas 76104
The Crofoot Research Center, Inc. ( Site 0118) Houston Texas 77098

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 16 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03272347, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 28, 2023 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03272347 live on ClinicalTrials.gov.

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