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Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: HIV transmission risk reduction Clear all
Completed Not applicable Interventional

Minority AIDS Initiative Retention and Re-Engagement Project

NCT01616940
View directory record Official record
Conditions
HIV/AIDS
Interventions
Enhanced Peer Intervention
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
3
States / cities
Miami, Florida • Boston, Massachusetts • Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Reducing Sexual Risk Behaviors and Improving Health for People at a Sexually Transmitted Infection Clinic

NCT00947271
View directory record Official record
Conditions
HIV, Sexually Transmitted Diseases, HIV Infections
Interventions
DVD 1, DVD 2
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
16 Years and older
Enrollment
1,010 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 16, 2014 · Synced Sep 26, 2026, 9:50 AM EDT
Not listed Not applicable Interventional

Transmission Reduction Intervention Project

NCT01827228
View directory record Official record
Conditions
HIV
Interventions
Assays, HIV medical care, Social network and venue tracing, Community alerts, Community education, HIV counseling
Other · Behavioral
Lead sponsor
National Development and Research Institutes, Inc.
Other
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 6, 2016 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional

Test of an Intervention to Improve HIV Care

NCT01103856
View directory record Official record
Conditions
HIV Infection
Interventions
Patient Mentor Intervention, HIV transmission risk reduction
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
460 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 21, 2016 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

HIV Rapid Testing & Counseling in Sexually Transmitted Disease (STD) Clinics in the U.S.

NCT01154296
View directory record Official record
Conditions
HIV/AIDS, Sexually Transmitted Infections
Interventions
RESPECT-2 Counseling
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
5,012 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
9
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of the Positive Prevention PLUS Program

NCT02540278
View directory record Official record
Conditions
Pregnancy in Adolescence
Interventions
Positive Prevention PLUS
Behavioral
Lead sponsor
California State University, San Bernardino
Other
Eligibility
12 Years to 19 Years
Enrollment
4,267 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Bernardino, California
Source: ClinicalTrials.gov public record
Updated Sep 2, 2015 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Phase 2 Interventional

Development of an Empowerment Intervention for Young Women Living With HIV

NCT01454921
View directory record Official record
Conditions
HIV
Interventions
Evolution: Young Women Taking Charge and Growing Stronger
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 24 Years · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
3
States / cities
Tampa, Florida • Chicago, Illinois • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Multimedia WORTH With Black Drug-Involved Women on Probation

NCT02391233
View directory record Official record
Conditions
Sexually Transmitted Infections, HIV, Gonorrhea, Trichomonas, Chlamydia Trachomatis, Drug Use
Interventions
E-WORTH, Streamlined HIV Testing
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
354 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2020 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Developing a Patient Navigation Intervention for PrEP Continuum of Care Among Young Latino MSM (PrEParate)

NCT04048382
View directory record Official record
Conditions
HIV/AIDS
Interventions
Patient Navigation, Usual Care
Behavioral · Other
Lead sponsor
San Diego State University
Other
Eligibility
18 Years to 29 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2022 · Synced Sep 26, 2026, 9:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Suubi4PrEP: Improving PrEP Access and Adherence Among Adolescent Girls and Young Women in Uganda

NCT07002866
View directory record Official record
Conditions
HIV Prevention
Interventions
HIV Risk Reduction (HIVRR), PrEP Peer Supporters (PS), Matched Savings Accounts + Financial Literacy (FL)
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
15 Years to 24 Years · Female only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Louisville Teen Pregnancy Prevention Project

NCT01411878
View directory record Official record
Conditions
Pregnancy, Sexually Transmitted Diseases
Interventions
Reducing the Risk, Love Notes
Behavioral
Lead sponsor
University of Louisville
Other
Eligibility
14 Years to 19 Years
Enrollment
1,450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
12
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 23, 2017 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional

Brief HIV Prevention Counseling for STI Patients in South Africa

NCT01242501
View directory record Official record
Conditions
Sexually Transmitted Infections
Interventions
60 Minute HIV/STI risk reduction counseling.Single 60 min Social Cognitive Theory-based counseling., 20-Min education session
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years and older
Enrollment
1,050 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 10, 2021 · Synced Sep 26, 2026, 9:50 AM 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 Sep 26, 2026, 9:50 AM EDT
Completed Phase 3 Interventional Results available

Rapid HIV Testing and Counseling in Drug Abuse Treatment

NCT00809445
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
On-site HIV rapid test and brief, prevention counseling, On- site HIV rapid test & information, Referral for off-site HIV testing
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
1,281 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
12
States / cities
Tucson, Arizona • Danbury, Connecticut • Plainville, Connecticut + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2015 · Synced Sep 26, 2026, 9:50 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 12, 2017 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project POWER, Adapting Project SAFE: Reducing STD/HIV Risk in Women Prisoners

NCT01111721
View directory record Official record
Conditions
HIV Infections
Interventions
Project POWER HIV Risk-reduction Intervention, NC DOC Standard of Care for STIs
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
598 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Raleigh, North Carolina • Rocky Mount, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 13, 2013 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional

Specialized Cognitive-Behavioral Counseling Intervention to Reduce HIV Transmission Risk Behavior in HIV-Infected Men

NCT00218712
View directory record Official record
Conditions
HIV Infections
Interventions
Cognitive behavioral intervention, Standard counseling
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 1, 2012 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reality Check: An HIV Risk Reduction Serial Drama

NCT03352219
View directory record Official record
Conditions
HIV (Human Immunodeficiency Virus), Sexually Transmitted Diseases
Interventions
Reality Check, Physical Activity Attention Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 24 Years
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 23, 2017 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Risk Reduction Program in Preventing the Transmission of HIV and Sexually Transmitted Diseases in African-American Couples

NCT00644163
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Disease
Interventions
Eban HIV/STD Risk Reduction Intervention, Eban Health Promotion Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
1,070 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
4
States / cities
Los Angeles, California • Atlanta, Georgia • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2014 · Synced Sep 26, 2026, 9:50 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 14, 2019 · Synced Sep 26, 2026, 9:50 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effectiveness and Implementation of Text Messaging to Improve HIV Testing in Adolescents

NCT06096519
View directory record Official record
Conditions
HIV
Interventions
Information, motivation, behavioral skills treatment arm, Information only control arm
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
13 Years to 19 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Game Plan: Efficacy of a Brief, Web-based Intervention on Alcohol Use and Sexually-transmitted Infections

NCT04552171
View directory record Official record
Conditions
Sexually Transmitted Diseases, Bacterial, Alcohol; Harmful Use
Interventions
Access to Game Plan app and 24-hour helpline
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Male only
Enrollment
314 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 26, 2026, 9:50 AM EDT
Completed Not applicable Interventional

Behavioral Intervention to Enhance HIV Test/Treat

NCT01752777
View directory record Official record
Conditions
HIV/AIDS
Interventions
Infectiousness Risk Reduction, General Health Improvement
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 100 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 8, 2018 · Synced Sep 26, 2026, 9:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

MyPEEPS Mobile Plus: A Multi-Level HIV Prevention Intervention for Young MSM

NCT06741618
View directory record Official record
Conditions
HIV/AIDS
Interventions
MyPEEPS Mobile, Electronic PrEP peer navigation
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
16 Years to 25 Years · Male only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 26, 2026, 9:50 AM EDT