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ClinicalTrials.gov public records Last synced Oct 22, 2026, 7:40 AM EDT

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Showing 1–24 of 262 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sexual Risk Behavior Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Men's Prevention Apps to Research Efficacy

NCT03965221
View directory record Official record
Conditions
HIV/AIDS, Sexually Transmitted Diseases, Pre-exposure Prophylaxis, Risk Reduction
Interventions
LYNX, MyChoices
Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
15 Years to 29 Years · Male only
Enrollment
381 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
8
States / cities
Tampa, Florida • Atlanta, Georgia • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Oct 22, 2026, 7:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Parent-Based Intervention to Reduce Sexual Risk Behavior in Adolescents

NCT00461487
View directory record Official record
Conditions
Behavior and Behavior Mechanisms
Interventions
Active control on hygiene and nutrition, Families Talking Together
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
11 Years to 14 Years
Enrollment
530 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 11, 2013 · Synced Oct 22, 2026, 7:40 AM EDT
Completed Not applicable Interventional

A Web-based Intervention Study to Reduce High-risk Sexual Behavior by Persons Living With HIV AIDS (PLWH)

NCT01198418
View directory record Official record
Conditions
Sexually Transmitted Infections, HIV Infections
Interventions
Experimental
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Male only
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
3
States / cities
Los Angeles, California • San Diego, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Oct 22, 2026, 7:40 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nerve Damage in Patients With HIV Infection Who Have Been Treated With Anti-HIV Drugs

NCT00017771
View directory record Official record
Conditions
HIV Infections, Peripheral Nervous System Disease
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
18
States / cities
Birmingham, Alabama • Los Angeles, California • Denver, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2013 · Synced Oct 22, 2026, 7:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

MI With Text Messaging to Reduce Sexual Risk and Hazardous Drinking Among MSM

NCT03755661
View directory record Official record
Conditions
Alcohol; Harmful Use, Sex, Unsafe
Interventions
MI&TXT4MSM
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
2018 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Oct 22, 2026, 7:40 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

NC Young Women's CoOp

NCT02965014
View directory record Official record
Conditions
Condomless Sex, Human Immunodeficiency Virus (HIV), Sexually Transmitted Infection (STI), Alcohol and Drug Use
Interventions
Face-to-Face Young Women's CoOp (YWC), mHealth Young Women's CoOp (YWC), HIV Counseling and Testing
Behavioral
Lead sponsor
RTI International
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
652 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
4
States / cities
Durham, North Carolina • Greensboro, North Carolina • High Point, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 22, 2026, 7:40 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 22, 2026, 7:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Cigarette Use Among Urban Youth Via an M-Health Primary Care Preventive Intervention

NCT03855410
View directory record Official record
Conditions
Tobacco Use, Drug Use, Adolescent Behavior, Alcohol Use, Sexual Risk Behavior
Interventions
S4E, Attention-Matched Control Group
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 21 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Ann Arbor, Michigan • Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced Oct 22, 2026, 7:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Engagement in HIV Care for High-risk Women

NCT03081559
View directory record Official record
Conditions
HIV/AIDS, Adherence, Medication
Interventions
Healthy Divas
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
2
States / cities
Los Angeles, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Oct 22, 2026, 7:40 AM EDT
Completed No phase listed Observational

PTSD and Risk Behavior in HIV Positive Female Adolescents

NCT00271882
View directory record Official record
Conditions
PTSD, Sexual Abuse, HIV Infections
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 24 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
3
States / cities
Miami, Florida • The Bronx, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Oct 22, 2026, 7:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Positive Choice: Prevention for Positive Health

NCT00447707
View directory record Official record
Conditions
HIV Infections, Sexual Risk Behavior, Substance Use Risks
Interventions
Positive Choice
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
497 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
5
States / cities
Oakland, California • San Francisco, California • San Leandro, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 22, 2026, 7:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HOME Study: a Combination Support Package to Increase Uptake of PrEP and HIV/STI Testing

NCT03138135
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 9, 2021 · Synced Oct 22, 2026, 7:40 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

TRAC-ER Intervention to Reduce Risky Alcohol Use and HIV Risk

NCT05576350
View directory record Official record
Conditions
Risk Behavior, Alcohol Use Disorder, HIV Infections
Interventions
Smartphone Based Alcohol Monitoring (SAM), Tracking and Reducing Alcohol Consumption (TRAC), TRAC-ER
Behavioral
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 35 Years
Enrollment
405 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
New Haven, Connecticut • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 22, 2026, 7:40 AM EDT
Not yet recruiting No phase listed Observational

Evaluation of State-Level Sexual and Gender Minority Laws for the Primary Prevention of Sexual and Intimate Partner Violence Among Sexual and Gender Minority Youth in the U.S.

NCT07729644
View directory record Official record
Conditions
Sexual Violence, Intimate Partner Violence (IPV)
Interventions
Enumerated anti-bullying state legislation, Conversion therapy state legislation, Gender-affirming care state legislation
Other
Lead sponsor
University of California, Berkeley
Other
Eligibility
13 Years to 18 Years
Enrollment
30 participants
Timeline
2026 – 2029
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 22, 2026, 7:40 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Primary Care iSBIRT to Reduce Serious Teen Health Risks

NCT00891631
View directory record Official record
Conditions
Substance-related Disorders, Depression, High-risk Sex
Interventions
iSBIRT, iSBIRT/TE
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 21 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2016 · Synced Oct 22, 2026, 7:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Group Therapies for Reducing HIV-risk Behavior in Women Who Have Survived Childhood Sexual Abuse

NCT00220597
View directory record Official record
Conditions
Alcoholism, Child Abuse, Sexual, Sexual Abuse, Sexual Behavior, Sexually Transmitted Diseases, Viral
Interventions
Trauma-focused group therapy
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 3, 2013 · Synced Oct 22, 2026, 7:40 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Stage Matched Intervention to Increase Dual Method Use

NCT00436306
View directory record Official record
Conditions
Contraception, Sexually Transmitted Diseases, Pregnancy
Interventions
Individualized Intervention, Computer-based contraceptive information
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
13 Years to 35 Years · Female only
Enrollment
550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2005
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Oct 22, 2026, 7:40 AM EDT
Completed Not applicable Interventional

Reducing Obesity Health Disparities in Hispanic Youth

NCT03943628
View directory record Official record
Conditions
Overweight, Family Relations, Adolescent Behavior, Drug Use, Sexual Behavior
Interventions
Familias Unidas
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
12 Years to 15 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 12, 2022 · Synced Oct 22, 2026, 7:40 AM 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 9, 2016 · Synced Oct 22, 2026, 7:40 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Mental Health in Primary Care

NCT05426057
View directory record Official record
Conditions
Depression, Anxiety, Suicide, Drug Use
Interventions
eHealth Familias Unidas Mental Health
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
12 Years to 16 Years
Enrollment
468 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
17
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 22, 2026, 7:40 AM EDT
Completed 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
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
2
States / cities
Pine Ridge, South Dakota • Rapid City, South Dakota
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 22, 2026, 7:40 AM EDT
Recruiting Not applicable Interventional

The Trans-Led Care Study

NCT06880705
View directory record Official record
Conditions
Substance Abuse, Substance Addiction, Substance Use Disorder (SUD), Substance Use (Drugs, Alcohol), Human Immunodeficiency Virus (HIV)
Interventions
The TLC Program
Behavioral
Lead sponsor
Illinois Institute of Technology
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 22, 2026, 7:40 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 22, 2026, 7:40 AM EDT
Terminated Phase 1 Interventional

Behavioral Therapy Development for Methamphetamine Abuse

NCT00252434
View directory record Official record
Conditions
Depression, Drug Abuse, Sexually Transmitted Diseases
Interventions
Cognitive Behavioral Therapy Development for Methamphetamine Abuse
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years · Male only
Timeline
2004 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 27, 2016 · Synced Oct 22, 2026, 7:40 AM EDT