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ClinicalTrials.gov public records Last synced Oct 27, 2026, 7:42 PM EDT

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Showing 1–24 of 125 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sexuality and Reproductive Issues Clear all
Completed Not applicable Interventional

A Multi-Center Randomized Double-Blind Placebo-Controlled Study To Investigate the Effect of Isoprinosine in Patients With AIDS Related Complex (ARC)

NCT00002060
View directory record Official record
Conditions
HIV Infections
Interventions
Inosine pranobex
Drug
Lead sponsor
Newport Pharmaceuticals International
Industry
Eligibility
18 Years to 75 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Laguna Hills, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 27, 2026, 7:42 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 9, 2008 · Synced Oct 27, 2026, 7:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men

NCT02994108
View directory record Official record
Conditions
Human Papillomavirus
Interventions
txt2protect, Sexual Health Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 20, 2020 · Synced Oct 27, 2026, 7:42 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 27, 2014 · Synced Oct 27, 2026, 7:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Transgender Men's Perspectives on HIV Risk and HIV Prevention Interventions

NCT05666102
View directory record Official record
Conditions
Transgenderism, HIV Infections
Interventions
Transgender men's perspectives on HIV risk and HIV prevention interventions
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 9, 2023 · Synced Oct 27, 2026, 7:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

HIV and Genital Herpes Among High-Risk Men Who Have Sex With Men (MSM) in Lima, Peru

NCT00023582
View directory record Official record
Conditions
HIV Infections, Herpes Genitalis, HIV Seronegativity, Syphilis
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older · Male only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 8, 2008 · Synced Oct 27, 2026, 7:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Family Relationships and Nutrition in TGGD Youth and Young Adults

NCT05163860
View directory record Official record
Conditions
Family Relations, Nutrition Disorders, Health Behavior, Transgenderism
Interventions
Survey
Other
Lead sponsor
St. Louis University
Other
Eligibility
12 Years and older
Enrollment
714 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 27, 2026, 7:42 PM EDT
Completed No phase listed Observational

A Study of HIV in Newly Infected Individuals

NCT00000930
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2008
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Denver, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2016 · Synced Oct 27, 2026, 7:42 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 24, 2010 · Synced Oct 27, 2026, 7:42 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of an HIV Prevention Program That Targets the Inner Workings of High-risk Social Networks

NCT00705705
View directory record Official record
Conditions
HIV Infections
Interventions
Network leader training, Standard HIV risk-reduction counseling
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
852 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 11, 2011 · Synced Oct 27, 2026, 7:42 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Family-Based HIV Prevention for Latinos

NCT00582101
View directory record Official record
Conditions
HIV Infections
Interventions
Family-Based HIV Prevention for Latinos, General Health Promotion
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
13 Years to 18 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 6, 2012 · Synced Oct 27, 2026, 7:42 PM EDT
Completed Not applicable Interventional

Intervention Targeting Medication Adherence and Methamphetamine Use in HIV Positive Men (ACE)

NCT01122186
View directory record Official record
Conditions
HIV Medication Adherence, Methamphetamine Use, Sexual Risk, Poly-substance Use, HIV Infections
Interventions
Motivational Interviewing + Cognitive Behavioral Skills Training, Education Attention Control
Behavioral
Lead sponsor
Hunter College of City University of New York
Other
Eligibility
18 Years and older · Male only
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Oct 27, 2026, 7:42 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 22, 2024 · Synced Oct 27, 2026, 7:42 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 8, 2025 · Synced Oct 27, 2026, 7:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Connect 'n Unite: Couples-Based HIV/STI Prevention for Drug-Involved, Black MSM

NCT01394900
View directory record Official record
Conditions
HIV, Sexually Transmitted Infections
Interventions
CNU Intervention, WP Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Male only
Enrollment
424 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Oct 27, 2026, 7:42 PM EDT
Completed Not applicable Interventional Results available

L-Arginine Supplements in Treating Women Who Are Cancer Survivors

NCT00459134
View directory record Official record
Conditions
Sexual Dysfunction, Sexuality and Reproductive Issues, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
ArginMax, Placebo
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
25
States / cities
Newark, Delaware • Miami Beach, Florida • Augusta, Georgia + 21 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 27, 2026, 7:42 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 27, 2026, 7:42 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Mobile Phone App for Depression and Anxiety in Young Men Who Are Attracted to Men

NCT02072252
View directory record Official record
Conditions
Depressive Symptoms, Anxiety Generalized
Interventions
Mobile Phone Application
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
17 Years to 20 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 17, 2017 · Synced Oct 27, 2026, 7:42 PM EDT
Completed Not applicable Interventional

Sildenafil in Treating Erectile Dysfunction in Patients With Prostate Cancer

NCT00057759
View directory record Official record
Conditions
Prostate Cancer, Psychosocial Effects of Cancer and Its Treatment, Radiation Toxicity, Sexual Dysfunction, Sexuality and Reproductive Issues
Interventions
sildenafil citrate, Placebo
Drug · Other
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older · Male only
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
30
States / cities
Concord, California • Inglewood, California • Walnut Creek, California + 23 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2015 · Synced Oct 27, 2026, 7:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Better Together: A Web-based Relationship Education Tool

NCT03953495
View directory record Official record
Conditions
Same-Sex Relationships
Interventions
Better Together
Behavioral
Lead sponsor
Sharon Scales Rostosky
Other
Eligibility
18 Years and older · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 4, 2020 · Synced Oct 27, 2026, 7:42 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT06182280
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 27, 2026, 7:42 PM EDT
Recruiting No phase listed Observational

Puberty Suppression and Cardiometabolic Health

NCT04482374
View directory record Official record
Conditions
Transgenderism, Insulin Sensitivity/Resistance, Endothelial Dysfunction, Vascular Stiffness
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Years to 14 Years · Male only
Enrollment
30 participants
Timeline
2020 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Oct 27, 2026, 7:42 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 17, 2025 · Synced Oct 27, 2026, 7:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Supporting Trans Identities and Occupational Justice Through Narrative Informed Theatre: Supporting Trans Identities and Occupational Justice Through Narrative Informed Theatre

NCT04515654
View directory record Official record
Conditions
Transgenderism, Stigma, Social
Interventions
IDEAS (Identity Evolution and Sharing) Performance
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Oct 27, 2026, 7:42 PM EDT