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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:03 PM EDT

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Showing 121–144 of 198 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional

HIV Prevention in Very High Risk Men Who Have Sex With Men

NCT01291589
View directory record Official record
Conditions
Risk Reduction Behavior
Interventions
Cognitive-behavioral therapy
Behavioral
Lead sponsor
Fenway Community Health
Other
Eligibility
18 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Phase 1 Interventional Results available

Bupropion For Reducing High-Risk Behaviors in Depressed Men Who Have Sex With Men (MSM)

NCT00285584
View directory record Official record
Conditions
HIV Infections, Depression
Interventions
Bupropion, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Oct 17, 2026, 11:03 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 Aug 1, 2013 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project ICARE: Intervening for Community Awareness, Respect, & Empowerment

NCT00712088
View directory record Official record
Conditions
HIV Infections
Interventions
Project ICARE, HCT
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Male only
Enrollment
275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 11, 2010 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

American Indian and Alaska Native Men Who Have Sex With Men HIV & Substance Abuse Research

NCT03049904
View directory record Official record
Conditions
HIV, Substance Use
Interventions
Vr2L 2Spirit
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Entre Herman@s: Promoting Health Among Latino MSM

NCT05805306
View directory record Official record
Conditions
HIV Infections
Interventions
Entre Herman@s, Vaccines for Health
Behavioral
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years to 39 Years
Enrollment
288 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Young Men and Media Study

NCT04109443
View directory record Official record
Conditions
Sexual Behavior
Interventions
Young Men & Media Program, Available websites on safe sex and preventing STIs
Behavioral
Lead sponsor
Boston University
Other
Eligibility
14 Years to 17 Years · Male only
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 14, 2021 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mobile-health (mHealth) Intervention to Support HIV Self-testing and PrEP Uptake Among Young Men Who Have Sex With Men

NCT04865341
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
IMB, Information-Only Control
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
17 Years to 24 Years · Male only
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Results available

The Getting Off App for Methamphetamine-Using Gay and Bisexual Men

NCT03884946
View directory record Official record
Conditions
Methamphetamine Abuse, HIV/AIDS
Interventions
Getting Off App
Other
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 17, 2026, 11:03 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Parent-focused Intervention to Reduce HIV Risk in Gay and Bisexual Adolescents

NCT05852600
View directory record Official record
Conditions
Hiv, Sexual Health
Interventions
Parents and Adolescents Talking about Healthy Sexuality (PATHS), Lead with Love (LWL)
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
14 Years and older
Enrollment
393 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Peer Intervention Latino Immigrant MSM

NCT03922126
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Peer counseling, HIV/STI self-testing kits
Other · Diagnostic Test
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Results available

AllyQuest Adherence App Intervention for HIV-positive Men Who Have Sex With Men and Transgender Women: Pilot Trial

NCT03916484
View directory record Official record
Conditions
Hiv, HIV/AIDS, Medication Adherence, Sexual Behavior, Sexually Transmitted Infections (Not HIV or Hepatitis)
Interventions
AllyQuest HIV Medication Adherence app-delivered intervention, AllyQuest HIV Medication Adherence app-delivered intervention + NSC
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
15 Years to 29 Years · Male only
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
6
States / cities
Birmingham, Alabama • Detroit, Michigan • Newark, New Jersey + 3 more
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Oct 17, 2026, 11:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Factors and Interrelationships for Sexual Orientation, Susceptibility to HIV and Kaposi's Sarcoma, Alcoholism and Psychological Traits, and Histocompatibility Antigens

NCT00001294
View directory record Official record
Conditions
Alcoholism, HIV Infection, Homosexuality, Kaposi's Sarcoma
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing HIV Risk With High Risk HIV Negative Black MSM-Passport to Wellness

NCT02932384
View directory record Official record
Conditions
HIV, Men
Interventions
Intervention-Passport and Peer Mentor, Control-Passport Only
Behavioral
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years and older · Male only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 2, 2018 · Synced Oct 17, 2026, 11:03 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 12, 2024 · Synced Oct 17, 2026, 11:03 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

A Comparative Effectiveness Demonstration Project for Linkage and Retention in PrEP Care for Men Who Have Sex With Men

NCT03442192
View directory record Official record
Conditions
Adherence, Patient
Interventions
PrEP Care Anywhere Services
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 9, 2022 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing MSM in the Continuum of Care in Kazakhstan

NCT02786615
View directory record Official record
Conditions
HIV, Substance-Related Disorders
Interventions
Peer Unity
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Male only
Enrollment
987 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2022 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Survey Procedures for Young Men Who Have Sex With Men in Web-based HIV Prevention: Retention Study

NCT02424643
View directory record Official record
Conditions
Healthy
Interventions
Monetary Incentive, Altruistic Incentive, Dashboard Incentive
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
1,131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 9, 2016 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Phase 2 Interventional

Risk Reduction for Urban Substance Using Men Who Have Sex With Men (MSM)

NCT01327898
View directory record Official record
Conditions
HIV Infection, Substance Abuse
Interventions
empowerment theory-based small group discussion, individual resilience counseling
Behavioral
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
2
States / cities
Miami Beach, Florida • Wilton Manors, Florida
Source: ClinicalTrials.gov public record
Updated Jul 25, 2014 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Being Responsible for Ourselves HIV Risk Reduction for Black MSM

NCT02561286
View directory record Official record
Conditions
Human Immunodeficiency Virus Infection (HIV), Sexually Transmitted Disease (STD)
Interventions
BRO HIV Risk Reduction Intervention, Health Promotion Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Male only
Enrollment
595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 29, 2015 · Synced Oct 17, 2026, 11:03 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 5, 2023 · Synced Oct 17, 2026, 11:03 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 26, 2026 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional

TODAY! A Mobile App Study

NCT03534167
View directory record Official record
Conditions
Depression, Anxiety
Interventions
TODAY! App and Coaching
Behavioral
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
14 Years to 24 Years · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 3, 2023 · Synced Oct 17, 2026, 11:03 PM EDT
Completed Not applicable Interventional

Feasibility of Using a Structured Daily Diary

NCT01953653
View directory record Official record
Conditions
HIV Infection
Interventions
Structured daily diary
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 24 Years · Male only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
Aurora, Colorado • Detroit, Michigan • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Oct 17, 2026, 11:03 PM EDT