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ClinicalTrials.gov public records Last synced Oct 21, 2026, 12:31 AM EDT

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Showing 25–48 of 127 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sexual Risk Reduction Clear all
Completed No phase listed Observational

Interventions to Decrease the Risk of Mother-to-Child Transmission of HIV in India

NCT00341796
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 4, 2008 · Synced Oct 21, 2026, 12:31 AM EDT
Completed Not applicable Interventional

Evaluating Methods to Increase HIV Testing, Access to HIV Care, and HIV Prevention Strategies

NCT01152918
View directory record Official record
Conditions
HIV Infection
Interventions
Linkage-to-Care Component: Financial Incentive (FI), Linkage-to-Care Component: Standard of Care (SOC), Viral Suppression Component: FI, Viral Suppression Component: SOC, Prevention for Positives Component: Counseling and SOC, Prevention for Positives Component: SOC
Behavioral
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
Not listed
Enrollment
18,442 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Washington D.C., District of Columbia • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Oct 21, 2026, 12:31 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 21, 2026, 12:31 AM 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 18, 2018 · Synced Oct 21, 2026, 12:31 AM 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 22, 2013 · Synced Oct 21, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effectiveness of an Online Prevention Program in Reducing the Risk of STD Infection in Young Adults

NCT00255944
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 5, 2020 · Synced Oct 21, 2026, 12:31 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Reducing HIV: Safer Sex Skill Building in Pregnant Drug Abusing Women

NCT00619320
View directory record Official record
Conditions
HIV Infections, Substance Use
Interventions
Safer Sex Skills Building (SSB)
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older · Female only
Enrollment
380 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
2
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 12, 2013 · Synced Oct 21, 2026, 12:31 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 21, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project N-Liten- HIV Prevention for African American Women

NCT01553682
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 25, 2015 · Synced Oct 21, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

LYNX: A Novel Mobile App to Support Linkage to HIV/STI Testing PrEP for Young Men Who Have Sex With Men

NCT03177512
View directory record Official record
Conditions
HIV, Sexually Transmitted Diseases, Risk Reduction, Pre-Exposure Prophylaxis
Interventions
LYNX Mobile App
Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
15 Years to 24 Years · Male only
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Tampa, Florida • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 11, 2021 · Synced Oct 21, 2026, 12:31 AM 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 15, 2019 · Synced Oct 21, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of a Web-based Sexual Violence Risk Reduction Program for Female College Students

NCT03726437
View directory record Official record
Conditions
Sexual Violence
Interventions
RealConsent, Stress and Mood Management
Behavioral
Lead sponsor
Georgia State University
Other
Eligibility
18 Years to 20 Years · Female only
Enrollment
881 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced Oct 21, 2026, 12:31 AM 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 13, 2017 · Synced Oct 21, 2026, 12:31 AM 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 3, 2022 · Synced Oct 21, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial of an Adapted STD Screening and Risk Reduction Intervention

NCT02513225
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 27, 2023 · Synced Oct 21, 2026, 12:31 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 21, 2026, 12:31 AM EDT
Completed Not applicable Interventional

STD Risk Reduction for Heterosexual Methamphetamine Users

NCT00344214
View directory record Official record
Conditions
Substance-Related Disorders, HIV Infections, Sexually Transmitted Diseases
Interventions
Tri-focal cognitive behavioral therapy - social skills training (CBTSS) counseling program, Standard care
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2012 · Synced Oct 21, 2026, 12:31 AM EDT
Not listed Not applicable Interventional

Stress-Reducing Interventions in HIV+ Patients: Pilot

NCT00599599
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic, HIV Infections
Interventions
Prolonged Exposure Therapy
Behavioral
Lead sponsor
Kent State University
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
2
States / cities
Akron, Ohio • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 5, 2009 · Synced Oct 21, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alcohol, Marijuana, and Risky Sex: Group Interventions With Detained Adolescents

NCT01170260
View directory record Official record
Conditions
Risk Reduction Behavior, Health Behavior, Sexual Behavior, Adolescent Behavior, Cannabis
Interventions
INFORMATION-ONLY SEXUAL RISK REDUCTION (INFO-ONLY), SEXUAL PLUS ALCOHOL RISK REDUCTION (SRRI+ETOH), SEXUAL + ALCOHOL + MARIJUANA RISK REDUCTION
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
14 Years to 18 Years
Enrollment
460 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Oct 21, 2026, 12:31 AM 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 6, 2017 · Synced Oct 21, 2026, 12:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

All About Youth: Evaluation of Sexual Risk Avoidance and Risk Reduction Programs for Middle School Students

NCT00167505
View directory record Official record
Conditions
Sexually Transmitted Diseases, Pregnancy, HIV Infections
Interventions
Risk Avoidance Intervention, Risk Reduction Intervention
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
11 Years to 16 Years
Enrollment
1,742 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 26, 2010 · Synced Oct 21, 2026, 12:31 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

An HIV Intervention for Black Men at Risk - The Enhanced Sexual Health Intervention for Men (ES-HIM)

NCT01641146
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 28, 2016 · Synced Oct 21, 2026, 12:31 AM EDT
Completed No phase listed Observational

Age-17 Follow-up of Home Visiting Intervention

NCT00708695
View directory record Official record
Conditions
Antisocial Behavior, Psychopathology, Substance Use, HIV Infections
Interventions
Nurse Home Visiting
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
17 Years to 65 Years
Enrollment
1,880 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Oct 21, 2026, 12:31 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Reducing HIV Risk Among Episodic Substance Using Men Who Have Sex With Men (SUMSM)

NCT01279044
View directory record Official record
Conditions
HIV Infections, Episodic Substance Use
Interventions
Adapted Personalized Cognitive Risk-reduction Counseling intervention (PCC), Standard HIV testing with information only
Behavioral
Lead sponsor
San Francisco Department of Public Health
Government
Eligibility
18 Years and older · Male only
Enrollment
385 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2014 · Synced Oct 21, 2026, 12:31 AM EDT