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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: STI/HIV-Plus Clear all
Completed No phase listed Observational

Incentives to Promote Medication Adherence Among HIV-Infected Youth

NCT02206906
View directory record Official record
Conditions
HIV
Interventions
Incentive intervention model
Behavioral
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
16 Years to 24 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 20, 2016 · Synced Sep 24, 2026, 11:21 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

#TranscendentHealth: A Text Messaging Pregnancy Prevention Program for Transgender Boys

NCT07681908
View directory record Official record
Conditions
Pregnancy (Unwanted), Sexually Transmitted Disease (STD), HIV Infection, Sexual Behavior
Interventions
#TranscendentHealth, Universal Sexual Health Program
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
467 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Clemente, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 24, 2026, 11:21 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 24, 2026, 11:21 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 10, 2016 · Synced Sep 24, 2026, 11:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of the Trans Women Connected Mobile App for Changes in Sexual Health-related Behavior Among Transgender Women

NCT03897049
View directory record Official record
Conditions
HIV/AIDS, Health Knowledge, Attitudes, Practice, STI
Interventions
Trans Women Connected, General Health App
Behavioral
Lead sponsor
ETR Associates
Other
Eligibility
18 Years to 49 Years
Enrollment
574 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Scotts Valley, California
Source: ClinicalTrials.gov public record
Updated May 5, 2024 · Synced Sep 24, 2026, 11:21 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 24, 2026, 11:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Connecting Resources for Urban Sexual Health

NCT02183909
View directory record Official record
Conditions
HIV, Sexually Transmitted Infections
Interventions
Testing and linkage to care for Y/MSM, Engagement and retention for HIV-positive Y/MSM in care, Engagement and retention for HIV-negative Y/MSM in sexual health services, Stribild PEP Substudy
Other · Behavioral · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
378 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced Sep 24, 2026, 11:21 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 24, 2026, 11:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Expanding PrEP By Embedding Unannounced SNAPS Navigators in High STI Testing Clinical Sites

NCT04207151
View directory record Official record
Conditions
Hiv, Sexually Transmitted Infection
Interventions
SNAPS intervention
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Sep 24, 2026, 11:21 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 24, 2026, 11:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

e-HERO: Ending the HIV Epidemic in Rural Oklahoma

NCT05664802
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV)
Interventions
e-HERO: Ending the HIV Epidemic in Rural Oklahoma
Behavioral
Lead sponsor
Northern Arizona University
Other
Eligibility
17 Years to 29 Years · Male only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Flagstaff, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 24, 2026, 11:21 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Evaluation of Doxycycline Post-exposure Prophylaxis to Reduce Sexually Transmitted Infections in PrEP Users and HIV-infected Men Who Have Sex With Men

NCT03980223
View directory record Official record
Conditions
Gonorrhea, Chlamydia, Syphilis
Interventions
Doxycycline Hyclate Delayed-Release 200 mg
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
641 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
San Francisco, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 24, 2026, 11:21 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

HIV Prevention With Adolescents: Neurocognitive Deficits and Treatment Response

NCT01169922
View directory record Official record
Conditions
Risk Reduction Behavior, Sexual Behavior, Health Behavior, Drinking Behavior, Adolescent Behavior
Interventions
SEXUAL RISK REDUCTION + ALCOHOL RISK REDUCTION, INFORMATION-ONLY SEXUAL RISK REDUCTION
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
14 Years to 18 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
4
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Sep 24, 2026, 11:21 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

J-RISE: Relevant Implementation Strategies to Eliminate the Social and Structural Barriers to HIV Services Among Justice-involved Black Men Who Have Sex With Men and Other Key Populations

NCT06477588
View directory record Official record
Conditions
HIV, Contingency Management, Justice Involved Populations, Status Neutral Interventions, Mental Health, Substance Use
Interventions
Health Navigation, Health Navigation, Employment Navigation plus Contingency Management Intervention
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 24, 2026, 11:21 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 27, 2025 · Synced Sep 24, 2026, 11:21 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Project AWARE: Using the Emergency Department (ED) to Prevent Sexually Transmitted Infections (STIs) in Youth

NCT01195220
View directory record Official record
Conditions
Chlamydia, Gonorrhea, HIV
Interventions
HIV testing, STI/HIV-T, STI/HIV-Plus
Behavioral
Lead sponsor
North Bronx Healthcare Network
Other
Eligibility
14 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2015 · Synced Sep 24, 2026, 11:21 AM EDT
Completed Phase 2 Interventional Results available

A Novel Regimen to Prevent Malaria and STI in Pregnant Women With HIV

NCT03431168
View directory record Official record
Conditions
HIV, Pregnancy Malaria, Sexually Transmitted Infection
Interventions
Azithromycin/TMPS, Placebo/TMPS
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
16 Years to 55 Years · Female only
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 26, 2023 · Synced Sep 24, 2026, 11:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

mLab App Plus: A Randomized Controlled Trial of a Mobile Health (mHealth) Intervention

NCT06059443
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases, Viral, Syphilis
Interventions
mLab App Plus
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 39 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
New York, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 4, 2025 · Synced Sep 24, 2026, 11:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility Testing a Meditation App for Youth in the Legal System

NCT05146167
View directory record Official record
Conditions
Behavioral Health
Interventions
Bodhi AIM (intervention group), HIB (control group)
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
13 Years to 18 Years
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 24, 2026, 11:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Women-Focused PrEP Intervention

NCT03699722
View directory record Official record
Conditions
Behavior and Behavior Mechanisms, Information Literacy
Interventions
Education + Activities, Information
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Sep 24, 2026, 11:21 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 24, 2026, 11:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Being Responsible for Ourselves HIV Risk Reduction for Black MSM

NCT02561286
View directory record Official record
Conditions
Human Immunodeficiency Virus Infection (HIV), Sexually Transmitted Disease (STD)
Interventions
BRO HIV Risk Reduction Intervention, Health Promotion Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Male only
Enrollment
595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced Sep 24, 2026, 11:21 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

HIV/STD Risk and PrEP Implementation Messaging Among Gay, Bisexual, and Other Men Who Have Sex With Men

NCT06183502
View directory record Official record
Conditions
Sexually Transmitted Infections, Gay, Pre Exposure Prophylaxis
Interventions
Quantitative survey, HIV and STI testing, Qualitative Assessment
Behavioral · Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
675 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
3
States / cities
San Diego, California • Atlanta, Georgia • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 24, 2026, 11:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Peer Intervention Latino Immigrant MSM

NCT03922126
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Peer counseling, HIV/STI self-testing kits
Other · Diagnostic Test
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced Sep 24, 2026, 11:21 AM EDT