Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:31 PM EDT

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Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
Conditions
HIV Infection
Interventions
DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
641 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
31
States / cities
Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 25 more
Conditions
HIV Infection
Interventions
DOR/ISL, BIC/FTC/TAF, Placebo to BIC/FTC/TAF, Placebo to FDC DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
643 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
28
States / cities
Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 24 more
Conditions
HIV-1-Infection
Interventions
ISL/LEN, Antiretroviral Combinations
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
49
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 41 more
Conditions
Cancer
Interventions
Goal-Focused Emotion-Regulation Therapy (GET), Individual Supportive Listening (ISL)
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 39 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Irvine, California
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Islatravir and Methadone Pharmacokinetics (MK-8591-029)

NCT04568603
Conditions
HIV-1 Infection
Interventions
Islatravir
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Hollywood, Florida • Salt Lake City, Utah
Conditions
HIV-1 Infection
Interventions
ART, DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
553 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
15
States / cities
Los Angeles, California • Palm Springs, California • San Francisco, California + 12 more
Conditions
Substance Use (Drugs, Alcohol), Tobacco Use, Adolescent Substance Use
Interventions
Integrated Community Engagement Collaborative, School-Based Data Collection and Reporting without Network Coordinator Support
Other
Lead sponsor
West Virginia University
Other
Eligibility
10 Years and older
Enrollment
25,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Morgantown, West Virginia
Conditions
Healthy
Interventions
MK-8507, Islatravir
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
19 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Lincoln, Nebraska
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Oral ISL QM as PrEP in Cisgender Women at High Risk for HIV-1 Infection (MK-8591-022)

NCT04644029
Conditions
HIV-I, Human Immunodeficiency Virus Type 1, Prophylaxis
Interventions
Islatravir, Placebo to FTC/TDF, FTC/TDF, Placebo to ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
16 Years to 45 Years · Female only
Enrollment
730 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
13
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Miami, Florida + 10 more
Conditions
HIV-1 Infection
Interventions
MK-8591A
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
18
States / cities
Phoenix, Arizona • Sacramento, California • Washington D.C., District of Columbia + 13 more
Conditions
Healthy
Interventions
Islatravir (ISL), Lamivudine (3TC)
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Lincoln, Nebraska
Conditions
HIV-1 Infection
Interventions
DOR/ISL, BIC/FTC/TAF, Placebo to BIC/FTC/TAF, Placebo to DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
514 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
24
States / cities
Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 19 more
Conditions
Epigenetic Aging
Interventions
Switch from an ART regimen containing lamivudine (3TC) or emtricitabine (FTC) + tenofovir alafenamide (TAF) or tenofovir disoproxil fumarate (TDF) to DOR/ISL, Switch from an nucleoside reverse transcriptase inhibitor (NRTI)-sparing ART regimen containing greater than or equal to 2 drugs to DOR/ISL, Continue SoC ART
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
35 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Aurora, Colorado • Houston, Texas
Conditions
Human Immunodeficiency Virus Type 1 (HIV-1) Infection
Interventions
ISL, ULO, BIC/FTC/TAF
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
11
States / cities
San Francisco, California • West Hollywood, California • Washington D.C., District of Columbia + 8 more
Conditions
HIV-1 Infection
Interventions
DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
Up to 17 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • Baltimore, Maryland + 1 more
Conditions
HIV-1 Infection
Interventions
Islatravir, Ulonivirine, BIC/FTC/TAF, Placebo to ISL, Placebo to Ulonivirine, Placebo to BIC/FTC/TAF
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
10
States / cities
Phoenix, Arizona • Los Angeles, California • Ft. Pierce, Florida + 7 more
Conditions
HIV Infection
Interventions
DOR/ISL, ART
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
672 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
15
States / cities
Washington D.C., District of Columbia • Ft. Pierce, Florida • Orlando, Florida + 11 more
Conditions
HIV-1 Infection
Interventions
DOR/ISL, BIC/FTC/TAF, Placebo to BIC/FTC/TAF, Placebo to DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
599 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
17
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 14 more
Conditions
Amputation
Interventions
0 pound tension, 2 pound tension, 4 pound tension
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Loma Linda, California
Conditions
HIV-1-infection
Interventions
ISL/LEN, B/F/TAF, PTM B/F/TAF, PTM ISL/LEN
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
609 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
60
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 50 more
Conditions
Human Immunodeficiency Virus Type 1 (HIV-1) Infection
Interventions
ISL, ULO, BIC/FTC/TAF, Placebo for BIC/FTC/TAF, Placebo to ISL/ULO, ISL/ULO
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
570 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
24
States / cities
Los Angeles, California • Denver, Colorado • Washington D.C., District of Columbia + 20 more
Conditions
Healthy
Interventions
DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Springfield, Missouri
Conditions
Healthy
Interventions
MK-8591A, Islatravir, Doravine
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
19 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Lincoln, Nebraska
Conditions
HIV-1 Infection
Interventions
ISL, DOR, DOR/ISL, Placebo to ISL, Placebo to DOR
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
Not listed
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
19
States / cities
Birmingham, Alabama • Los Angeles, California • Palm Springs, California + 15 more