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ClinicalTrials.gov public records Last synced Oct 22, 2026, 8:23 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

Drug Use and Sexual Risk Behaviors Among Emerging Adults in the ER

NCT03079856
View directory record Official record
Conditions
Drug Use, Sex Behavior
Interventions
Brief Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 25 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 29, 2018 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project MIX: Behavioral Intervention to Reduce Risk Among Substance-Using MSM

NCT00153361
View directory record Official record
Conditions
HIV Infections
Interventions
Discussion Group, Video Discussion Group
Behavioral
Lead sponsor
Gordon Mansergh
Federal
Eligibility
18 Years and older · Male only
Enrollment
1,686 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2008
U.S. locations
6
States / cities
Hollywood, California • San Francisco, California • Chicago, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Not applicable Interventional

Positive Lifestyles Using Safety

NCT00836290
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
Pre-Release (Group 1), Post-release (Group 2)
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 21, 2015 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Technology-Based Prevention for Adolescents in Primary Care

NCT03489434
View directory record Official record
Conditions
Substance Use
Interventions
Intervention
Behavioral
Lead sponsor
Georgia State University
Other
Eligibility
14 Years to 18 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 14, 2025 · Synced Oct 22, 2026, 8:23 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 22, 2026, 8:23 AM EDT
Recruiting Not applicable Interventional

Families With Pride ("Familias Con Orgullo").

NCT06057337
View directory record Official record
Conditions
Depression, Drug Use
Interventions
Families with Pride ("Familias con Orgullo")
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
13 Years to 19 Years
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 22, 2026, 8:23 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Moon and Sun Brothers: A Community Prevention Intervention (Hermanos de Luna y Sol)

NCT07475702
View directory record Official record
Conditions
Help-Seeking Behavior, Pre-exposure Prophylaxis Use, Condomless Sex, Risky Health Behavior
Interventions
Moon and Sun Brothers: A Community Prevention Intervention
Behavioral
Lead sponsor
San Francisco State University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
San Francisco, California • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nexus of Risk: Sexual Assault, Alcohol Use, and Risky Sex Among College Women

NCT05892692
View directory record Official record
Conditions
Sexual Assault, Substance Use, Risky Health Behavior, Ema
Interventions
Ecological Momentary Intervention
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 24 Years · Female only
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Oct 22, 2026, 8:23 AM EDT
Completed No phase listed Observational

Managerial Database II

NCT01009827
View directory record Official record
Conditions
HIV
Interventions
Observation
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 24 Years
Enrollment
1,712 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Friendship Based HIV/STI (Sexually Transmitted Infections) Intervention for African American Females

NCT00109421
View directory record Official record
Conditions
Sexual Behavior, Sexually Transmitted Diseases, HIV Infections
Interventions
Project ÒRÉ
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
14 Years to 21 Years · Female only
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acceptability, Feasibility, and Preliminary Impact of a Web-based, HIV Prevention Toolkit With Cisgender Male Couples in Lima, Peru

NCT05873855
View directory record Official record
Conditions
HIV Infections, Hiv, Sexually Transmitted Infections (Not HIV or Hepatitis), Sexually Transmitted Diseases, Sexual Behavior, Risk Reduction
Interventions
Para ti, para mi, para nosotros (P3), Waitlist Control Para ti, para mi, para nosotros (P3)
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
18 Years and older · Male only
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Network Intervention for Reducing Sexual Risk for HIV With African American Men Who Have Sex With Men (AA MSM)

NCT00691041
View directory record Official record
Conditions
HIV Infections
Interventions
Unity in Diversity
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Male only
Enrollment
233 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 13, 2012 · Synced Oct 22, 2026, 8:23 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, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PrEP Point-of-Care Brief-Intervention for Adherence Among Young Men Who Have Sex With Men

NCT05353283
View directory record Official record
Conditions
Risk Reduction
Interventions
Motivational Interviewing Counselling, Point-of-care Urine Tenofovir Measurement
Behavioral · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2026 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Not applicable Interventional Results available

Boston ARCH 4F Intervention to Reduce Fall Risk in People With HIV and Alcohol Use

NCT04804579
View directory record Official record
Conditions
HIV Infection, Alcohol Consumption, Falls, Accidental, Falls
Interventions
Fall Prevention Intervention
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2023 · Synced Oct 22, 2026, 8:23 AM 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 11, 2016 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Preventing HIV/Aids in Drug Abusing Youth

NCT00680719
View directory record Official record
Conditions
HIV Infections
Interventions
IBFT /HIV prevention, IBFT
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
15 Years to 20 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2013
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Oct 22, 2026, 8:23 AM EDT
Active, not recruiting Not applicable Interventional

Fostering Healthy Futures for Teens: An RCT

NCT03707366
View directory record Official record
Conditions
Child Abuse, Child Neglect, Risk Behavior, Delinquency, Mental Health Impairment, Substance Use, Educational Problems, Adolescent Development, Adolescent Behavior, Sexual Behavior, Child Maltreatment
Interventions
FHF-T
Behavioral
Lead sponsor
University of Denver
Other
Eligibility
13 Years to 16 Years
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2044
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 22, 2026, 8:23 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

First Years Away From Home: Letting Go and Staying Connected

NCT03227809
View directory record Official record
Conditions
Substance Abuse, Risk Reduction, RIsky Sexual Behavior
Interventions
Handbook condition, Handbook plus condition
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
17 Years to 22 Years
Enrollment
910 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Pullman, Washington
Source: ClinicalTrials.gov public record
Updated May 19, 2020 · Synced Oct 22, 2026, 8:23 AM 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 4, 2017 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

FASTLANE II: Reducing Sex, Drug, and Mental Health Risk

NCT04109014
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 9, 2022 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Phase 4 Interventional

The Whole Day First Grade Program

NCT00257088
View directory record Official record
Conditions
Prevention of Drug Abuse and Dependency, Alcohol Abuse and Dependency, High Risk Sex Behavior, Smoking Tobacco, School Failure
Interventions
whole day first grade program
Behavioral
Lead sponsor
American Institutes for Research
Other
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 14, 2008 · Synced Oct 22, 2026, 8:23 AM EDT
Completed Not applicable Interventional

A Structural HIV Prevention Intervention Targeting High-risk Women

NCT04413591
View directory record Official record
Conditions
Sex Work
Interventions
Community based combination HIV prevention package
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older · Female only
Enrollment
385 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2022 · Synced Oct 22, 2026, 8:23 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

DASH - Decision Making in Adolescent Sexual Health

NCT02141646
View directory record Official record
Conditions
HIV/AIDS
Interventions
Motivational Interviewing, Behavioral Skills Training
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
14 Years to 18 Years
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 13, 2024 · Synced Oct 22, 2026, 8:23 AM EDT