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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Couples HIV Counseling and Testing for Male Couples in the United States

NCT01861210
View directory record Official record
Conditions
HIV
Interventions
Couples Voluntary HIV Counseling and Testing, Individual Counseling and Testing
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 39 Years · Male only
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 21, 2015 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Pilot Intervention to Improve Coping With Discrimination and Adherence Among HIV-Positive Latino MSM

NCT03432819
View directory record Official record
Conditions
HIV
Interventions
Siempre Seguiré
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years and older · Male only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project QueST 2023: Queer Survivors of Trauma

NCT05569915
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic, Drinking Heavy
Interventions
Trauma Expressive Writing, Stigma Expressive Writing, Control
Behavioral
Lead sponsor
Syracuse University
Other
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional Results available

SmokefreeSGM, A Text-based Smoking Cessation Feasibility Trial for Sexual and Gender Minority Groups

NCT05645354
View directory record Official record
Conditions
Smoking Cessation
Interventions
SmokefreeSGM, SmokefreeTXT
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 16, 2025 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing HIV Vulnerability Through A Multilevel Life Skills Intervention For Adolescent Men

NCT03155841
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases, Sexual Behavior, Adolescent Behavior, Homosexuality
Interventions
Life Skills Coaching, Community Resources
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
13 Years to 18 Years · Male only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
2
States / cities
Atlanta, Georgia • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Home Self-Testing for HIV to Increase HIV Testing Frequency in Men Who Have Sex With Men (The iTest Study)

NCT01161446
View directory record Official record
Conditions
HIV
Interventions
Home HIV self-testing with OraQuick ADVANCE® Rapid HIV-1/2 Antibody Test, Home HIV self-testing with OraQuick ADVANCE® Rapid HIV-1/2 Antibody Test
Behavioral · Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 6, 2017 · Synced Sep 7, 2026, 3:54 PM EDT
Completed No phase listed Observational

Gonorrhea and Chlamydia HIV-infected Men Who Have Sex With Men

NCT02019771
View directory record Official record
Conditions
HIV Infection, Chlamydia, Gonorrhea
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 5, 2023 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

No Excuses/Sin Buscar Excusas Intervention to Reduce Latino Men's HIV Risks

NCT00690690
View directory record Official record
Conditions
HIV Infections
Interventions
Video (group-delivered video-based intervention), HCT
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 49 Years · Male only
Enrollment
370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2010 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Evaluation of Doxycycline Post-exposure Prophylaxis to Reduce Sexually Transmitted Infections in PrEP Users and HIV-infected Men Who Have Sex With Men

NCT03980223
View directory record Official record
Conditions
Gonorrhea, Chlamydia, Syphilis
Interventions
Doxycycline Hyclate Delayed-Release 200 mg
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
641 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
San Francisco, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Evaluation of Many Men, Many Voices, An STD/HIV Prevention Intervention for Black MSM

NCT00137631
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Many Men, Many Voices (3MV)
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Male only
Enrollment
341 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2010 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional

Testing an Online Intervention to Improve Parents' Communication With Gay and Bisexual Sons About Sex and HIV

NCT04018573
View directory record Official record
Conditions
HIV Infections
Interventions
PATHS Sexual Communication Toolkit, Parent Support Film
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 4, 2023 · Synced Sep 7, 2026, 3:54 PM EDT
Completed No phase listed Observational

Pathways to Fatherhood

NCT03966352
View directory record Official record
Conditions
Family Research
Interventions
Questionnaire
Other
Lead sponsor
Reproductive Medicine Associates of New Jersey
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Basking Ridge, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 8, 2020 · Synced Sep 7, 2026, 3:54 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

P3 Trial: Estimating the Impact of a Multilevel, Multicomponent Intervention to Increase Uptake of HIV Testing and Biomedical HIV Prevention

NCT06785376
View directory record Official record
Conditions
HIV Testing, PrEP Uptake
Interventions
DIY (Do It Yourself), TRUST, SOC
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Phase 1Phase 2 Interventional

Stonewall Treatment Evaluation Project

NCT01129401
View directory record Official record
Conditions
Substance Abuse, HIV Infections
Interventions
Stonewall Project
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2014 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Using Open Contest and Neuro-influence Experiment to Develop and Evaluate PrEP Promotion Messages for High Risk Men

NCT04166851
View directory record Official record
Conditions
HIV/AIDS
Interventions
PrEP campaign messages developed via open contest, PrEP campaign messages developed via social marketing approach
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older · Male only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Alcohol and Implicit Process in Sexual Risk Behavior in MSM

NCT03361384
View directory record Official record
Conditions
Alcohol Drinking, Sex Behavior, Men
Interventions
Alcohol, Placebo (non-alcoholic beverage)
Drug · Other
Lead sponsor
Syracuse University
Other
Eligibility
21 Years to 50 Years · Male only
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
3
States / cities
Boston, Massachusetts • Syracuse, New York • Vermillion, South Dakota
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pre-HIV Test Counseling Intervention to Reduce HIV Infection Risk Behavior in Men Who Are Not HIV Infected

NCT00218699
View directory record Official record
Conditions
HIV Infections
Interventions
Cognitive-Behavioral Intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2013 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Phase 3 Interventional

Medication and Counseling for Controlled Drinking (Project SMART)

NCT00444418
View directory record Official record
Conditions
Alcohol-related Disorders, Alcohol Drinking, Alcoholism, Alcohol Abuse
Interventions
Naltrexone, Modified Behavioral Self-Control Psychotherapy, Brief Behavioral Compliance Enhancement Therapy
Drug · Behavioral
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 65 Years · Male only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Social Networks and Prevention for HIV Care and Prevention

NCT01800721
View directory record Official record
Conditions
HIV
Interventions
SNAP, SNAP Control
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
559 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Voucher-Based Incentives in a Prevention Setting

NCT00607269
View directory record Official record
Conditions
Substance-related Disorders
Interventions
Voucher-Based Reinforcement Therapy
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2013 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

HIV Prevention Counseling for Men Who Have Sex With Men

NCT00000931
View directory record Official record
Conditions
HIV Infections
Interventions
Behavioral intervention, Risk-reduction counseling
Behavioral
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older · Male only
Enrollment
4,350 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
6
States / cities
San Francisco, California • Denver, Colorado • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2008 · Synced Sep 7, 2026, 3:54 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Enhancing PrEP Uptake and Retention Among Latine TGW and GBM in the South Using Long-Acting Injectable PrEP

NCT07218211
View directory record Official record
Conditions
HIV Prevention, HIV Pre-exposure Prophylaxis, HIV Prevention Program, HIV Prevention and Care, HIV Pre-exposure Prophylaxis Use
Interventions
Lenacapavir long-acting
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MyLife MyStyle Evaluation Project

NCT01640392
View directory record Official record
Conditions
Unsafe Sex
Interventions
MyLife MyStyle group-level intervention
Behavioral
Lead sponsor
Los Angeles County Department of Public Health
Government
Eligibility
18 Years to 29 Years · Male only
Enrollment
528 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 14, 2019 · Synced Sep 7, 2026, 3:54 PM EDT
Completed Not applicable Interventional

Project Matter: Intervention to Improve HIV Self-care Among Men Who Have Sex With Men (MSM) With Substance Use Disorders

NCT03899220
View directory record Official record
Conditions
Substance Use Disorders, HIV/AIDS, Homosexuality, Male
Interventions
Project Matter
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 7, 2025 · Synced Sep 7, 2026, 3:54 PM EDT