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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Sexual Risk Behaviors Clear all
Terminated Not applicable Interventional

Fathers Raising Responsible Men (FRRM): Addressing Sexual Health

NCT03429985
View directory record Official record
Conditions
Behavior and Behavior Mechanisms
Interventions
FRRM Intervention
Behavioral
Lead sponsor
Duke University
Other
Eligibility
15 Years to 19 Years · Male only
Enrollment
382 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 24, 2023 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Phase 1 Interventional

HIV Prevention in Very High Risk Men Who Have Sex With Men

NCT01291589
View directory record Official record
Conditions
Risk Reduction Behavior
Interventions
Cognitive-behavioral therapy
Behavioral
Lead sponsor
Fenway Community Health
Other
Eligibility
18 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 8, 2016 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Phase 1Phase 2 Interventional

Reducing Health Risk Behavior and Improving Health in Adolescents With Depression

NCT00461539
View directory record Official record
Conditions
Depression, Adolescent Health
Interventions
Treatment as usual, Behavioral health intervention
Other · Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
13 Years to 18 Years
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Eliciting Affect in Teens in a Virtual World (Project AVATAR)

NCT02338063
View directory record Official record
Conditions
HIV Infections
Interventions
Virtual Reality, Health Promotion
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
12 Years to 16 Years
Enrollment
196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 5, 2016 · Synced Jul 22, 2026, 3:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Alcohol Misuse, Gut Microbial Dysbiosis and PrEP Care Continuum: Application and Efficacy of SBIRT Intervention

NCT06005298
View directory record Official record
Conditions
Alcohol Use Disorder, Risk Behavior, Health, Dysbiosis, HIV Infections
Interventions
Screening, Brief Intervention, Referral to Treatment (SBIRT)
Behavioral
Lead sponsor
Shirish S Barve
Other
Eligibility
18 Years to 85 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 21, 2024 · Synced Jul 22, 2026, 3:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

uSafeUS+ App Pilot Testing

NCT07557745
View directory record Official record
Conditions
Alcohol Consumption, Sexual Assault
Interventions
uSafeUS
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 25 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
2
States / cities
Gainesville, Florida • Durham, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jul 22, 2026, 3:57 PM 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 9, 2022 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Not applicable Interventional

Risk Reduction for Drug Use and Sexual Revictimization

NCT00998153
View directory record Official record
Conditions
Risk Reduction Through Family Therapy, Usual Care
Interventions
Risk Reduction through Family Therapy
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
12 Years to 17 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 17, 2018 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Steering Together in a New Direction: Reducing the Risk of HIV/STD Among African American Men

NCT02572401
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV), Sexually Transmitted Disease (STD)
Interventions
STAND HIV Risk Reduction Intervention, Text Messaging Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
391 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Young Men's Health Project Targeting HIV Risk Reduction and Substance Abuse

NCT03577301
View directory record Official record
Conditions
HIV Infections
Interventions
Clinic-based Delivery, Remote Delivery, Multi-modal Delivery
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
15 Years to 24 Years · Male only
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
3
States / cities
Miami, Florida • Detroit, Michigan • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 2, 2024 · Synced Jul 22, 2026, 3:57 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Alcohol and Sex Risk mHealth-Enhanced Brief Intervention for BLMSM

NCT04821427
View directory record Official record
Conditions
Heavy Drinking and Sexual Risk Behavior
Interventions
Brief mhealth intervention + mobile messaging to reduce sexual risk behavior and heavy drinking
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
21 Years to 50 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing a Digital AEP Risk Intervention With Native Women and Communities

NCT06324929
View directory record Official record
Conditions
Alcohol Exposed Pregnancy, Unplanned Pregnancy, Alcohol Use, Unspecified, Contraception Use, Sexual Behavior
Interventions
CARRII Native Rapid Pilot Testing
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
407 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pragmatic Trial of An Adaptive eHealth HIV Prevention Program for Diverse Adolescent MSM

NCT03511131
View directory record Official record
Conditions
Hiv, Adolescent Behavior, Sex, Safe
Interventions
Queer Sex Ed, Keep It Up, Keep It Up-Control, Young Men's Health Project
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
13 Years to 18 Years · Male only
Enrollment
1,306 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 11, 2022 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Not applicable Interventional

Reducing HIV Risk in Urban Women: Soap Opera Videos on Video-Capable Cell Phones

NCT03330522
View directory record Official record
Conditions
HIV/AIDS, Sexual Behavior, Woman's Role, Risk Behavior
Interventions
Love, Sex, & Choices video series, Messages in text
Other
Lead sponsor
Northeastern University
Other
Eligibility
18 Years to 29 Years · Female only
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Jul 22, 2026, 3:57 PM EDT
Completed No phase listed Observational

Sexually Transmitted Infections Among African American Women Who Have Sex With Women

NCT01043081
View directory record Official record
Conditions
Sexually Transmitted Infections, HIV Infections
Interventions
Not listed
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated May 10, 2016 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Phase 3 Interventional

Antidepressant Medication for Reducing HIV Risk Behavior in Depressed Intravenous Drug Users

NCT00228007
View directory record Official record
Conditions
Depression, Substance-Related Disorders, HIV Infections
Interventions
Antidepressant Medication
Drug
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 21, 2013 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of an Abstinence-Only HIV Risk-Reduction Intervention for Young African-American Adolescents

NCT00640653
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Abstinence-only HIV/STD risk-reduction intervention, Safer-sex-only HIV/STD risk-reduction intervention, Long comprehensive HIV/STD risk-reduction intervention, Short comprehensive HIV/STD risk-reduction intervention, Health promotion control intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
662 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Jul 22, 2026, 3:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Lakota Family Acceptance Project

NCT07326748
View directory record Official record
Conditions
LGBTQ, Racial Disparities, Family Relationships, Minority Stress, Depression, Anxiety, Drug Use, Teen Dating Violence, Sexual Risk Reduction
Interventions
Adapted Lakota Family Acceptance Program
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
13 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Pine Ridge, South Dakota • Rapid City, South Dakota
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jul 22, 2026, 3:57 PM EDT
Completed No phase listed Observational

Effects of Two Anti-HIV Drug Regimens on HIV Transmission Risk Behavior Among SMART Study Participants

NCT00386035
View directory record Official record
Conditions
HIV Infections
Interventions
Delayed ART, Continuous ART
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
883 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
58
States / cities
Beverly Hills, California • Fresno, California • Mill Valley, California + 24 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2014 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

HIV Prevention With the Mentally Ill

NCT00643305
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 Jul 22, 2026, 3:57 PM EDT
Completed Phase 2 Interventional

Effectiveness of Structured Ecosystems Therapy for Reducing HIV Risk Behaviors and Improving Treatment Adherence in HIV Infected Men Released From Prison

NCT00344591
View directory record Official record
Conditions
HIV Infections, Acquired Immunodeficiency Syndrome
Interventions
Structured Ecosystems Therapy (SET), Individually tailored intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2015 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fostering Resilience to Psychosocial and HIV Risk in Indian MSM

NCT02556294
View directory record Official record
Conditions
HIV Infection, Sexual Behavior, Health Behavior
Interventions
Self-acceptance based intervention, HIV/STI counseling and testing
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
608 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2019 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Not applicable Interventional

Contextualizing & Responding to HIV Risk Behaviors

NCT03300908
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Project ADHERE, MACE
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 3, 2017 · Synced Jul 22, 2026, 3:57 PM EDT
Completed Not applicable Interventional

Alcohol And Sexual Risk Behavior

NCT04416711
View directory record Official record
Conditions
Sexually Aggressive Behavior, Risky Sexual Behavior, Heavy Episodic Drinking
Interventions
Personalized Feedback, Cognitive Skills Training, Services As Usual
Behavioral · Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 19 Years · Male only
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Tempe, Arizona • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Jul 22, 2026, 3:57 PM EDT