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Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

DOR/ISL in HIV-1 Antiretroviral Treatment-naïve Participants (MK-8591A-053)

ClinicalTrials.gov ID: NCT05705349

Public ClinicalTrials.gov record NCT05705349. 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 2, 2026, 12:56 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 3, Randomized, Active-Controlled, Double-Blind Clinical Study to Evaluate the Antiretroviral Activity, Safety, and Tolerability of Doravirine/Islatravir (DOR/ISL 100 mg/0.25 mg) Once-Daily in HIV-1 Infected Treatment-Naïve Participants

Brief summary

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

This is a randomized, active-controlled, double-blind clinical study designed to evaluate the antiretroviral activity, safety, and tolerability of doravirine/islatravir (DOR/ISL \[MK-8591A\]) in treatment-naïve participants with human immunodeficiency virus type 1 (HIV-1) infection. It is hypothesized that DOR/ISL is non-inferior to bictegravir/emtricitabine/tenofovir alafenamide (BIC/FTC/TAF) as assessed by the percentage of participants with HIV-1 ribonucleic acid (RNA) \<50 copies/mL at Week 48.

Study identification

NCT ID
NCT05705349
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
537 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Mar 7, 2023
Primary completion
Oct 12, 2025
Completion
Aug 4, 2029
Last update posted
Oct 22, 2025

2023 – 2029

United States locations

U.S. sites
38
U.S. states
15
U.S. cities
32
Facility City State ZIP Site status
Pueblo Family Physicians ( Site 5674) Phoenix Arizona 85015
Pacific Oaks Medical Group ( Site 5681) Beverly Hills California 90211
Ruane Clinical Research Group, Inc ( Site 5658) Los Angeles California 90036
Vivent Health ( Site 5694) Denver Colorado 80246
Washington Health Institute ( Site 5689) Washington D.C. District of Columbia 20017
Midway Immunology and Research Center ( Site 5657) Ft. Pierce Florida 34982
AHF The Kinder Medical Group ( Site 5672) Miami Florida 33133
AHF South Beach ( Site 5663) Miami Beach Florida 33140
Orlando Immunology Center ( Site 5654) Orlando Florida 32803
CAN Community Health - Sarasota ( Site 5668) Sarasota Florida 34237
Triple O Research Institute, P.A ( Site 5666) West Palm Beach Florida 33407
Emory University and Grady Health System-Medicine ( Site 5690) Atlanta Georgia 30308
Emory University Hospital Midtown Infectious Disease Clinic ( Site 5673) Atlanta Georgia 30308
Atlanta I.D. Group ( Site 5680) Atlanta Georgia 30309
Metro Infectious Diseases Consultants L.L.C. ( Site 5653) Decatur Georgia 30033
Mercer University, Department of Internal Medicine ( Site 5655) Macon Georgia 31201
Rush University Medical Center-Infectious Disease ( Site 5671) Chicago Illinois 60612
University of Illinois at Chicago-Project WISH ( Site 5685) Chicago Illinois 60612
Howard Brown Health Center-Clinical Research ( Site 5665) Chicago Illinois 60613
Be Well Medical Center ( Site 5650) Berkley Michigan 48072
Henry Ford Hospital ( Site 5667) Detroit Michigan 48202
KC CARE Health Center-Clinical Trials ( Site 5670) Kansas City Missouri 64111
Jubilee Clinical Research ( Site 5679) Las Vegas Nevada 89106
Las Vegas Research Center ( Site 5691) Las Vegas Nevada 89106
ID Care ( Site 5676) Hillsborough New Jersey 08844
Saint Michael's Medical Center ( Site 5682) Newark New Jersey 07102
Columbia University Irving Medical Center-Division of Infectious Diseases ( Site 5688) New York New York 10032
Jacobi Medical Center ( Site 5683) The Bronx New York 10461
Atrium Health Infectious Disease Kenilworth - Charlotte ( Site 5675) Charlotte North Carolina 28204
Regional Center for Infectious Diseases ( Site 5687) Greensboro North Carolina 27401
University of Cincinnati Medical Center-Infectious Diseases - Outpatient ( Site 5662) Cincinnati Ohio 45267-0405
Central Texas Clinical Research ( Site 5661) Austin Texas 78705
St Hope Foundation ( Site 5659) Bellaire Texas 77401
Prism Health North Texas, Oak Cliff Health Center ( Site 5660) Dallas Texas 75208
North Texas Infectious Diseases Consultants, P.A ( Site 5651) Dallas Texas 75246
AXCES Research - Texas - El Paso ( Site 5692) El Paso Texas 79902
Texas Centers for Infectious Disease Associates ( Site 5656) Fort Worth Texas 76104
DCOL Center for Clinical Research ( Site 5664) Longview Texas 75605

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 93 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05705349, 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 Oct 22, 2025 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05705349 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →