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Showing 49–72 of 198 matching trials from the live ClinicalTrials.gov search.
Conditions
Amphetamine-Related Disorders
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
San Francisco Department of Public Health
Government
Eligibility
18 Years to 65 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
San Francisco, California
Conditions
HIV Infections
Interventions
PrEP persistence
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years and older · Male only
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Keep It Up! 2.0: A Comparison of Two Online HIV Intervention Programs for Young Men Who Have Sex With Men

NCT01836445
Conditions
HIV, Gonorrhea, Chlamydia
Interventions
Keep It Up!, HIV Knowledge Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
901 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
3
States / cities
Atlanta, Georgia • Chicago, Illinois • New York, New York
Conditions
HIV Infections
Interventions
Standard Text-Based Prevention Web Page, The Morning After, Talking About HIV, Both Videos
Behavioral
Lead sponsor
Public Health Solutions
Other
Eligibility
18 Years and older · Male only
Enrollment
3,097 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
New York, New York
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Transmasculine One-on-One and Group Empowerment for Targeted HIV Reduction

NCT06182280
Conditions
HIV Infections, Adherence, Medication
Interventions
PrEP4T, LS4TM
Behavioral
Lead sponsor
Fenway Community Health
Other
Eligibility
18 Years and older · Male only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 1Phase 2 Interventional

Stonewall Treatment Evaluation Project

NCT01129401
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
Conditions
Unsafe Sex, Risk Reduction
Interventions
PROJECT POWER, Power Health
Behavioral
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
HIV Prevention
Interventions
emtricitabine 200mg/tenofovir 300mg
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Los Angeles, California
Conditions
Anal Cancer
Interventions
Not listed
Lead sponsor
Laser Surgery Care
Other
Eligibility
18 Years to 85 Years · Male only
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Conditions
HIV, Contingency Management, Justice Involved Populations, Status Neutral Interventions, Mental Health, Substance Use
Interventions
Health Navigation, Health Navigation, Employment Navigation plus Contingency Management Intervention
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Depression, Suicidality, Substance Abuse, HIV, Minority Stress
Interventions
Expressive Writing (EW) Intervention, Self-Affirmation (SA) Intervention, Control
Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 29 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
3
States / cities
New Haven, Connecticut • Worcester, Massachusetts • Johnson City, Tennessee
Conditions
HIV, Risk Behavior, Alcohol Abuse
Interventions
CLT- Concrete text messages, CLT- Abstract text messages, Control messages, No messages, GamePlan Online Program
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Biobehavioral Interventions for HIV-negative, Stimulant Using Men Who Have Sex With Men

NCT01140880
Conditions
HIV Seroconversion, Stimulant Abuse
Interventions
Truvada
Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Seek, Test, and Retain. Linkages for Black HIV+, Substance-Using MSM

NCT01790360
Conditions
Substance Abuse, Sexual Behavior
Interventions
Patient Navigation (PN) Intervention, Financial Incentives (FI) Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 99 Years · Male only
Enrollment
1,930 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2021
U.S. locations
1
States / cities
New York, New York
Conditions
Anal Cancer, Nonneoplastic Condition, Precancerous Condition
Interventions
Papanicolaou test
Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Stigma, Social
Interventions
Adapted ESTEEM intervention
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Vitamin D Supplementation on Bone Turnover Markers During PrEP in MSM

NCT02367599
Conditions
Patient Adherence
Interventions
Vitamin D Supplement
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Male only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
3
States / cities
Los Angeles, California • San Diego, California • Torrance, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating Anti-Tobacco Message Effectiveness Among Lesbian, Gay, Bisexual, and Transgender Young Adults

NCT05393869
Conditions
Tobacco-Related Carcinoma
Interventions
Health communications
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 35 Years
Enrollment
2,849 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Tell Me More ("Dime Mas")

NCT06063083
Conditions
HIV, Mental Health Issue
Interventions
Tell Me More ("Dime Mas"), Peer Ambassador Stories [Listen Miami ("Oye Miami")], Standard Community Outreach
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Male only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Coral Gables, Florida
Completed Not applicable Interventional Accepts healthy volunteers

MI-based PrEP Intervention

NCT03313765
Conditions
PrEP Uptake
Interventions
Motivational interviewing (MI), Standard-of-care
Behavioral · Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Providence, Rhode Island
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
Completed No phase listed Observational Accepts healthy volunteers

Self-Consent for PrEP Perspectives

NCT02801760
Conditions
HIV, PrEP
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
15 Years to 22 Years · Male only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
11
States / cities
Los Angeles, California • Miami, Florida • Tampa, Florida + 8 more
Conditions
Sexual Risk Behavior, Childhood Sexual Abuse, Stress Disorders, Post-Traumatic
Interventions
Cognitive Processing Therapy for Sexual Risk, Supportive Psychotherapy, Sexual Risk Reduction Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
3
States / cities
Coral Gables, Florida • Boston, Massachusetts
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