Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 17, 2026, 9:11 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 73–96 of 198 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers Results available

Electronic Pre-exposure Prophylaxis (PrEP) Initiation and Maintenance Home Care System

NCT03729570
Conditions
Pre-exposure Prophylaxis
Interventions
ePrEP
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
4
States / cities
Birmingham, Alabama • Atlanta, Georgia • Jackson, Mississippi + 1 more
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Client-Centered Care Coordination for Black Men Who Have Sex With Men

NCT06056544
Conditions
HIV Prevention, HIV Pre-exposure Prophylaxis
Interventions
Client Centered Care Coordination
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older · Male only
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Healthy Subject
Interventions
Educational Intervention, Survey Administration
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Social Networks and Prevention for HIV Care and Prevention

NCT01800721
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
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
Completed Not applicable Interventional Accepts healthy volunteers

Information Seeking About Pre-exposure Prophylaxis

NCT05728034
Conditions
Pre-exposure Prophylaxis
Interventions
Injectable PrEP information, Oral PrEP information
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
314 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
University Park, Pennsylvania
Conditions
HIV Infections, HIV
Interventions
Information provision, Weekly quizzes, Rewards for testing HIV-negative
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enema Use and Acceptability in HIV Negative Men Who Have Sex With Men

NCT00696618
Conditions
HIV Infections
Interventions
Fleet Enema, tap water enema, Normosol-R enema
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Community Intervention Trial for Youth (CITY) Study

NCT00164580
Conditions
HIV Infections
Interventions
Community-Level Intervention
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
15 Years to 25 Years · Male only
Enrollment
12,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2004
U.S. locations
8
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 5 more
Conditions
Anal Chlamydia Infection
Interventions
Azithromycin, Doxycycline, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years · Male only
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers Results available

LetSync: Pilot Test of Mobile Health (mHealth) Intervention

NCT04951544
Conditions
HIV/AIDS
Interventions
LetSync app
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

ATN 151 Work-to-Prevent: Employment as HIV Prevention

NCT03313310
Conditions
HIV Prevention
Interventions
Employment Intervention
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 24 Years · Male only
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT02994108
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
Conditions
HIV Infection
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Medical Examination, Physical Examination, Proctoscopy with Biopsy, Questionnaire Administration
Other · Procedure
Lead sponsor
AIDS Malignancy Consortium
Network
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
San Francisco, California
Conditions
HIV
Interventions
Intervention
Behavioral
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
16 Years and older · Male only
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
4
States / cities
Birmingham, Alabama • Atlanta, Georgia • Baltimore, Maryland + 1 more
Conditions
HIV
Interventions
B2B Intervention, Control condition
Behavioral
Lead sponsor
Fenway Community Health
Other
Eligibility
50 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Increasing Engagement and Improving HIV Outcomes Via HealthMPowerment

NCT03678181
Conditions
HIV Infections, Sexually Transmitted Diseases, Stigma, Social
Interventions
Information Resources, Social Support, HIV Testing
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
15 Years to 29 Years · Male only
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
3
States / cities
Chapel Hill, North Carolina • Durham, North Carolina • Philadelphia, Pennsylvania
Conditions
HIV, AIDS
Interventions
MOVE Intervention, H4L Comparison Intervention
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 24 Years · Male only
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
5
States / cities
Los Angeles, California • Chicago, Illinois • The Bronx, New York + 2 more
Conditions
HIV, Patient Compliance
Interventions
Positive Choices, Personalized Cognitive Counseling
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Male only
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
4
States / cities
New Haven, Connecticut • New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

Culturally-Tailored HIV Risk Reduction for African-American MSM

NCT00691561
Conditions
HIV Infections
Interventions
Project ABLE
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Male only
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Pre-Exposure Prophylaxis, Hiv, Men
Interventions
PrEP messages, Heath messages
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
227 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
2
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

A Latino MSM Focused Pre-Exposure Prophylaxis Uptake Intervention

NCT05434390
Conditions
HIV
Interventions
Estoy PrEParado/ I am PrEPared intervention, Usual Care
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

HIV Prevention Among At-risk Latinos in the Heartland

NCT04563715
Conditions
HIV Infections
Interventions
HIV counseling and testing, Network intervention
Diagnostic Test · Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Male only
Enrollment
456 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
3
States / cities
Indianapolis, Indiana • Cleveland, Ohio • Milwaukee, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers

Partner Services Pre-exposure Prophylaxis (PS-PrEP)

NCT02749955
Conditions
HIV Transmission, Transtheoretical Model of Change
Interventions
PS-PrEP Intervention Group, PrEPLine Control Group
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois