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ClinicalTrials.gov public records Last synced Oct 3, 2026, 10:59 AM EDT

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Showing 25–48 of 80 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sexual Risk Behavior for HIV-infection Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

DOT Diary Optimization Pilot: A Pilot Study to Optimize the DOT Diary App to Measure PrEP Adherence

NCT03387462
View directory record Official record
Conditions
Adherence, Medication, Risk Behavior, Pre-Exposure Prophylaxis, HIV Prevention
Interventions
Emtricitabine / Tenofovir Disoproxil Oral Tablet, DOT Diary mobile app
Drug · Other
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
2
States / cities
San Francisco, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Results available

Depression Intervention Among Gay and Bisexual Men Receiving Treatment for Methamphetamine Use

NCT03864653
View directory record Official record
Conditions
HIV/AIDS, Methamphetamine Abuse, Depression
Interventions
MoodGym
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
Male only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2020 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Study of Peer Education to Prevent HIV Transmission Among Injection Drug Users and Their HIV Risk Contacts

NCT00038688
View directory record Official record
Conditions
HIV Infections
Interventions
Peer HIV Education Program
Behavioral
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
2,610 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 30, 2009 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Phase 2 Interventional

Reducing Sex-Related HIV Risk Behaviors in Patients Receiving Treatment for Opioid Dependence

NCT00548275
View directory record Official record
Conditions
Opiate Dependence, HIV Infections
Interventions
Enhanced Sexual Risk Management, Standard Sexual Risk Management
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 3, 2020 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility Testing a Meditation App for Youth in the Legal System

NCT05146167
View directory record Official record
Conditions
Behavioral Health
Interventions
Bodhi AIM (intervention group), HIB (control group)
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
13 Years to 18 Years
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 3, 2026, 10:59 AM EDT
Completed No phase listed Observational

Engaging Care for HIV-infected Adolescent Females.

NCT00489034
View directory record Official record
Conditions
HIV Infection
Interventions
Quantitative Interview, Ethnographic Interview, Gender Interview
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
13 Years to 23 Years · Female only
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
5
States / cities
Los Angeles, California • Miami, Florida • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2017 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Internet-based HIV/STI Prevention for Young MSM Receiving HIV Testing

NCT00968188
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
Keep It Up!, Information only
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 24 Years · Male only
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reality Check: An HIV Risk Reduction Serial Drama

NCT03352219
View directory record Official record
Conditions
HIV (Human Immunodeficiency Virus), Sexually Transmitted Diseases
Interventions
Reality Check, Physical Activity Attention Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 24 Years
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 24, 2017 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Risk Reduction Intervention for Vulnerable Young Adult Males

NCT01118416
View directory record Official record
Conditions
Sex, Substance Use, HIV
Interventions
HIV prevention intervention randomized control trial
Behavioral
Lead sponsor
Hunter College of City University of New York
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
317 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Computerized Brief Alcohol Intervention (BI) for Binge Drinking HIV At-Risk and Infected Women

NCT01125371
View directory record Official record
Conditions
Alcohol; Harmful Use, Binge Drinking, Risk Behavior, HIV Infection
Interventions
Computerized brief alcohol intervention + IVR booster calls, Computerized brief alcohol intervention, Attention Control
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
439 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 24, 2022 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Phase 3 Interventional

Cognitive Behavioral Therapy Combined With Antidepressants to Reduce HIV Risk and Drug Relapse Among Depressed Intravenous Drug Users

NCT00183768
View directory record Official record
Conditions
HIV Infections, Depression, Substance-Related Disorders
Interventions
Cognitive Behavioral Therapy, Psychopharmacology
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 22, 2013 · Synced Oct 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sexually Active Adolescent Focused Education

NCT03646032
View directory record Official record
Conditions
Health Risk Behaviors
Interventions
SAAFE, Control
Behavioral
Lead sponsor
Benten Technologies, Inc.
Industry
Eligibility
15 Years to 21 Years
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
2
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 3, 2026, 10:59 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Factors and Interrelationships for Cancer Risk-Related Behaviors and Complex Traits

NCT00001500
View directory record Official record
Conditions
Acquired Immunodeficiency Syndrome, Alcoholism, HIV Infection, Neoplasm, Smoking
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
4,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 3, 2026, 10:59 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Integrating PrEP Decision Making Into Counseling in Sexual and Reproductive Health Clinics

NCT06684613
View directory record Official record
Conditions
Sexual Risk Behavior for HIV-infection, Reproductive Health
Interventions
PrEP Decision Aid, Generic Information
Device · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional

Youth Services Navigation Intervention for HIV+ Youth Being Released From or At-risk for Incarceration

NCT03584932
View directory record Official record
Conditions
HIV/AIDS
Interventions
LINK2 Youth Services Navigation Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
16 Years to 25 Years · Male only
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 5, 2024 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Risk Reduction Program in Preventing the Transmission of HIV and Sexually Transmitted Diseases in African-American Couples

NCT00644163
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Disease
Interventions
Eban HIV/STD Risk Reduction Intervention, Eban Health Promotion Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
1,070 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
4
States / cities
Los Angeles, California • Atlanta, Georgia • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2014 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional

Intervention to Improve Engagement in Care Among Newly Diagnosed HIV-positive Men

NCT01559805
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional

Partner-Specific HIV Risk Reduction Intervention for Drug-Using Adolescents

NCT00831883
View directory record Official record
Conditions
Sexually Transmitted Diseases, Substance-Related Disorders
Interventions
Partner-Specific IMB-based HIV risk reduction intervention, Healthy Lifestyle
Behavioral
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
15 Years to 18 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 5, 2012 · Synced Oct 3, 2026, 10:59 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Development and Evaluation of a Virtual Reality Tool for At-Risk Trauma-Exposed Young People

NCT05816083
View directory record Official record
Conditions
Substance Use Disorders, HIV Infections
Interventions
Virtual Reality Tool
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
15 Years to 30 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Culturally-Tailored HIV Risk Reduction for African-American MSM

NCT00691561
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 11, 2010 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Proyecto SOL: A Risk Reduction Intervention for Hispanic Men Who Have Sex With Men (MSM)

NCT00690976
View directory record Official record
Conditions
HIV Infections
Interventions
Proyecto SOL, HCT
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 49 Years · Male only
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Mar 11, 2010 · Synced Oct 3, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safe Spaces 4 Sexual Health

NCT07133555
View directory record Official record
Conditions
HIV Counseling and Testing, HIV Risk Behavior, HIV Prevention
Interventions
Healthcare counseling service
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 49 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 3, 2026, 10:59 AM 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 3, 2026, 10:59 AM EDT