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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: HIV/STI Risk Clear all
Completed Not applicable Interventional

A Self-Assessment Intervention for Young Adult Polydrug Users at Risk for HIV

NCT01362634
View directory record Official record
Conditions
HIV Infection, Substance Abuse
Interventions
Trans-theoretical Process of Change Model-self, Trans-theoretical Process of Change Model - interviewer
Behavioral
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 39 Years
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 6, 2017 · Synced Sep 21, 2026, 3:20 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Parent-focused Intervention to Reduce HIV Risk in Gay and Bisexual Adolescents

NCT05852600
View directory record Official record
Conditions
Hiv, Sexual Health
Interventions
Parents and Adolescents Talking about Healthy Sexuality (PATHS), Lead with Love (LWL)
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
14 Years and older
Enrollment
393 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 21, 2026, 3:20 AM EDT
Withdrawn Phase 2 Interventional

Preventing Frequent Sinus Infections in HIV-Infected Patients

NCT00000752
View directory record Official record
Conditions
HIV Infections, Sinusitis
Interventions
Pseudoephedrine hydrochloride, Guaifenesin, Cefuroxime axetil, Beclomethasone dipropionate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1993
U.S. locations
10
States / cities
San Diego, California • San Francisco, California • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Phase 1 Interventional

Rapid HIV Testing and Counseling in High Risk Women in Shelters

NCT01866046
View directory record Official record
Conditions
HIV Risk
Interventions
RESPECT-IPV
Behavioral
Lead sponsor
The University of Akron
Other
Eligibility
Female only
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Study of Peer Education to Prevent HIV Transmission Among Injection Drug Users and Their HIV Risk Contacts

NCT00038688
View directory record Official record
Conditions
HIV Infections
Interventions
Peer HIV Education Program
Behavioral
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
2,610 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 29, 2009 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Not applicable Interventional

Young Women's CoOp Study

NCT01224184
View directory record Official record
Conditions
HIV, Sexual Risk, Sexually Transmitted Diseases, Substance Abuse, Violence, Victimization
Interventions
Young Women's CoOp, Staying Healthy and Eating Well
Behavioral
Lead sponsor
RTI International
Other
Eligibility
16 Years to 19 Years · Female only
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Durham, North Carolina • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Not applicable Interventional Results available

The Health Check-Up for Expectant Moms

NCT02120716
View directory record Official record
Conditions
HIV
Interventions
Health Check-Up for Expectant Moms
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Sep 21, 2026, 3:20 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 21, 2026, 3:20 AM EDT
Completed No phase listed Observational

A Study of HIV in Newly Infected Individuals

NCT00000930
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2008
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Denver, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2016 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Phase 3 Interventional

A Study of Acyclovir to Help Prevent HIV Infection in People With Genital Herpes

NCT00076232
View directory record Official record
Conditions
HIV Infections, HIV Seronegativity, Herpes Genitalis
Interventions
Acyclovir, Acyclovir placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
3,682 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
3
States / cities
San Francisco, California • New York, New York • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 29, 2010 · Synced Sep 21, 2026, 3:20 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

A Registry Study of COVID-19 Serologic and Virologic Testing to Accelerate Recovery and Transition

NCT04573634
View directory record Official record
Conditions
Covid19, SARS-CoV Infection
Interventions
Not listed
Lead sponsor
Jill M Kolesar
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 13, 2022 · Synced Sep 21, 2026, 3:20 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 21, 2026, 3:20 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 10, 2021 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Not applicable Interventional Results available

Testing an Integrated Bio-Behavioral Primary HIV Prevention Intervention Among High-Risk People Who Use Drugs

NCT03282890
View directory record Official record
Conditions
Risk Behavior, HIV/AIDS, Medication Adherence, Substance Abuse
Interventions
CHRP-BB
Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years and older
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 16, 2025 · Synced Sep 21, 2026, 3:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Postprandial Endothelial Dysfunction After a High-Fat Meal in HIV-infected Men

NCT00846599
View directory record Official record
Conditions
HIV Infection, Cardiovascular Risk, HIV Infections
Interventions
Omega-3 study meal, Saturated fat study meal
Other
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 11, 2017 · Synced Sep 21, 2026, 3:20 AM EDT
Active, not recruiting Phase 2 Interventional

Therapy Adapted for High Risk and Low Risk HIV-Associated Anal Cancer

NCT04929028
View directory record Official record
Conditions
AIDS-Related Anal Carcinoma, Anal Margin Squamous Cell Carcinoma, Anal Non-Keratinizing Squamous Cell Carcinoma, Anal Squamous Cell Carcinoma, HIV Infection, Rectal Squamous Cell Carcinoma, Stage II Rectal Cancer AJCC v8, Stage IIB Anal Cancer AJCC v8, Stage III Anal Cancer AJCC v8, Stage III Rectal Cancer AJCC v8
Interventions
Anoscopy, Biospecimen Collection, Capecitabine, Colonoscopy, Computed Tomography, Digital Rectal Examination, Echocardiography Test, Fludeoxyglucose F-18, Fluorouracil, Intensity-Modulated Radiation Therapy, Lymph Node Biopsy, Magnetic Resonance Imaging, Mitomycin, Nivolumab, Positron Emission Tomography, Proctoscopy, Questionnaire Administration, Sigmoidoscopy
Procedure · Drug · Other + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2031
U.S. locations
14
States / cities
San Francisco, California • Washington D.C., District of Columbia • Tampa, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The LEARN Study for CVD Prevention

NCT05242952
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Gaming in a virtual environment
Behavioral
Lead sponsor
Yale University
Other
Eligibility
30 Years to 65 Years · Male only
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Orange, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Phase 2 Interventional Results available

Aripiprazole Treatment for Methamphetamine Dependence Among High-risk Individuals

NCT00497055
View directory record Official record
Conditions
Substance Abuse, HIV Infections
Interventions
Aripiprazole, Placebo
Drug
Lead sponsor
San Francisco Department of Public Health
Government
Eligibility
18 Years to 60 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 23, 2014 · Synced Sep 21, 2026, 3:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

HIV and Cardiovascular Risk

NCT00465426
View directory record Official record
Conditions
HIV Infections, Cardiovascular Disease
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 30, 2012 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Acceptability of the Anti-Microbe Vaginal Gel, PMPA Gel

NCT00028132
View directory record Official record
Conditions
HIV Infections
Interventions
Tenofovir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2005
U.S. locations
5
States / cities
New York, New York • The Bronx, New York • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Not applicable Interventional Results available

Improving Effective Contraceptive Use Among Opioid-maintained Women: Stage II

NCT02411357
View directory record Official record
Conditions
Contraceptive Usage, Opioid Dependence
Interventions
Treatment as usual, WHO contraception protocol, Incentives
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Parents Matter!: Interventions to Promote Effective Parent-Child Communication

NCT00137943
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases, Pregnancy
Interventions
Full Parent communication intervention, Brief Parent Communication Intervention, Control Parent Intervention
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
9 Years to 12 Years
Enrollment
2,210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2006
U.S. locations
3
States / cities
Little Rock, Arkansas • Athens, Georgia • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 26, 2012 · Synced Sep 21, 2026, 3:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The ProGirls Study

NCT02112201
View directory record Official record
Conditions
Delinquency, HIV Risk, Substance Use, Trauma Exposure
Interventions
Integrated intervention for parents and adolescent girls
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
13 Years to 18 Years · Female only
Enrollment
416 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 21, 2026, 3:20 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 21, 2026, 3:20 AM EDT