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ClinicalTrials.gov public records Last synced May 22, 2026, 5:45 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Sexual Risk Reduction Clear all
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV Infections
Interventions
Skills Building with Motivational Interviewing, Skills Building
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
19 Years and older
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 2, 2013 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Youthnet Internet-based program, Control Internet based program
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 25 Years
Enrollment
2,622 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 4, 2020 · Synced May 22, 2026, 5:45 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
HIV-1
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sexually Transmitted Diseases
Interventions
Horizons+General Health Promotion (GHP), Horizons+Motivational Enhancement Therapy (GMET)
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 24 Years · Female only
Enrollment
560 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 24, 2015 · Synced May 22, 2026, 5:45 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
LGBTQ, Racial Disparities, Family Relationships, Minority Stress, Depression, Anxiety, Drug Use, Teen Dating Violence, Sexual Risk Reduction
Interventions
Family Acceptance Project - Online
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
14 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced May 22, 2026, 5:45 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV, Depression, Posttraumatic Stress Disorder
Interventions
Enhanced Sexual Health Intervention for Men (ES-HIM), Health Promotion (HP) Comparison Arm
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
4
States / cities
Inglewood, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 27, 2016 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Unsafe Sex, Physical Violence, Sexual Assault, Sexual Abuse
Interventions
Nutrition Program (NP), Women's Prison CoOp (WPC)
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
3
States / cities
Framingham, Massachusetts • Cranston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced May 22, 2026, 5:45 AM EDT
Not listed Phase 1 Interventional
View directory record Official record
Conditions
Crystal Methamphetamine Abuse, Crystal Methamphetamine Dependence
Interventions
Behavioral Activation Therapy and Risk Reduction Counseling (BAT-RR), Information, Motivation, Behavioral skills change approach to sexual risk reduction
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 31, 2012 · Synced May 22, 2026, 5:45 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
HIV Prevention, HIV Infections
Interventions
tenofovir + emtricitabine, lopinavir/ritonavir
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2017 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking, Sexual Behavior
Interventions
Linking Lives parent-based intervention
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
Not listed
Enrollment
9,510 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2009 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Alcohol and Substance-Related Mental Disorders, Sexually Transmitted Diseases
Interventions
Brief Intervention (BI) with Technology Extender, Brochure
Behavioral · Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 29 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Opioid Use, Opioid Use Disorder, Risk Reduction, Hiv, Hepatitis C
Interventions
Suboxone, Truvada, Mavyret
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Durham, North Carolina • Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Intravenous Drug Abuse, HIV Infections
Interventions
Skin and Needle Hygiene Intervention, No intervention - assessment-only condition
Behavioral · Other
Lead sponsor
University of Northern Colorado
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 3, 2012 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 28, 2015 · Synced May 22, 2026, 5:45 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Sexually Transmitted Infection (STI) Prevention, Unintended Pregnancy Prevention, Sexual Risk Reduction, Alcohol and Other Substance Use Prevention, Intimate Partner Violence Prevention
Interventions
Preventing Helath Damaging Health Behaviors in Male and Female Army Recruits
Behavioral
Lead sponsor
United States Department of Defense
Federal
Eligibility
18 Years and older
Enrollment
933 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 24, 2017 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hiv, HIV Infections, Sexually Transmitted Infection, Sexually Transmitted Diseases, Sexual Behavior, Risk Reduction
Interventions
Intervention LuvHub, Waitlist Control LuvHub
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
18 Years and older · Male only
Enrollment
778 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
PrEP Uptake, Stimulant Abuse, Adherence, Medication
Interventions
Pepped on PrEP Package
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 10, 2018 · Synced May 22, 2026, 5:45 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV Infections, Domestic Violence, Sexually Transmitted Diseases
Interventions
Motivational interviewing to reduce risk for HIV and DV
Behavioral
Lead sponsor
Multnomah County Health Department
Government
Eligibility
18 Years and older · Female only
Enrollment
530 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2005
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 27, 2006 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Methamphetamine Abuse, HIV/AIDS, Depression, Sex, Unsafe
Interventions
FASTLANE II
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2022 · Synced May 22, 2026, 5:45 AM EDT
Withdrawn Phase 2 Interventional
View directory record Official record
Conditions
Opiate Dependence, HIV Infections
Interventions
Buprenorphine/Subutex, Naltrexone, Drug counseling
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 29, 2020 · Synced May 22, 2026, 5:45 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Opioid-Related Disorders, Hepatitis C (HCV), Human Immunodeficiency Virus (HIV), Drug Overdose, Substance Abuse, Intravenous Drug Usage, Opiate Substitution Treatment, Sexually Transmitted Diseases
Interventions
Harm reduction kiosk
Behavioral
Lead sponsor
April M Young
Other
Eligibility
18 Years and older
Enrollment
752 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV Prevention, Sexually Transmitted Diseases, Pre-Exposure Prophylaxis
Interventions
HOME Study intervention, Control
Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Alcohol Use, Drug Use, Diagnostic Self Evaluation, Gonorrhea, Unprotected Sex, Chlamydia, Trichomonas
Interventions
Project EMPWR, Optimized Standard Care (OSC)
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 49 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Fort Apache, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced May 22, 2026, 5:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV/AIDS, Cardiovascular Risk Factors, Trauma, Psychological
Interventions
HHMB
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
2
States / cities
Los Angeles, California • Van Nuys, California
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced May 22, 2026, 5:45 AM EDT