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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: STI module Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men

NCT02994108
View directory record Official record
Conditions
Human Papillomavirus
Interventions
txt2protect, Sexual Health Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 19, 2020 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing HIV/STI in Urban Adolescents Via an mHealth Primary Care Intervention

NCT03368456
View directory record Official record
Conditions
HIV/AIDS and Infections, Drug Abuse, Adolescent Behavior, Drug Usage
Interventions
S4E, Usual Care
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
14 Years to 21 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Type 1 Hybrid Trial of Our Plan - a Brief, Couples-based HIV/STI Prevention Intervention

NCT05193942
View directory record Official record
Conditions
HIV/AIDS
Interventions
Intervention Our Plan, Internation Informational Control
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
18 Years and older · Male only
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Cigarette Use Among Urban Youth Via an M-Health Primary Care Preventive Intervention

NCT03855410
View directory record Official record
Conditions
Tobacco Use, Drug Use, Adolescent Behavior, Alcohol Use, Sexual Risk Behavior
Interventions
S4E, Attention-Matched Control Group
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 21 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Ann Arbor, Michigan • Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 25, 2019 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acceptability, Feasibility and Preliminary Impact of OurPlan, an mHealth HIV Prevention Intervention for Male Couples

NCT04836091
View directory record Official record
Conditions
HIV/AIDS
Interventions
Waitlist, Intervention
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 15, 2021 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Engineering an Online STI Prevention Program

NCT02897804
View directory record Official record
Conditions
Sexual Behavior, Alcohol Consumption, Sexually Transmitted Diseases
Interventions
Knowledge alone, Self-efficacy alone, Perceived benefits alone, Perceived benefits and self-efficacy, Injunctive norms, Injunctive norms and self-efficacy, Injunctive norms and perceived benefits, Injunctive norms, perceived benefits, and self-efficacy, Descriptive norms alone, Descriptive norms and self-efficacy, Descriptive norms and perceived benefits, Descriptive norms,perceived benefits,self-efficacy, Descriptive and injunctive norms, Descriptive norms, injunctive norms,self-efficacy, Descriptive and injunctive norms, benefits, Descriptive and injunctive norms, benefits,efficacy, Expectancies alone, Expectancies and self-efficacy, Expectancies and Perceived Benefits, Expectancies, perceived benefits, self-efficacy, Expectancies and injunctive norms, Expectancies, injunctive norms, and self-efficacy, Expectancies, injunctive norms, benefits, Expectancies, injunctive norms, benefits, efficacy, Expectancies and descriptive norms, Expectancies, descriptive norms, and self-efficacy, Expectancies, descriptive norms, and benefits, Expectancies,descriptive norms, benefits, efficacy, Expectancies, descriptive and injunctive norms, Expectancies, descr& injun norms, efficacy, Expectancies, desc & injun norms, benefits, Expectancies,desc & injun norms,benefits,efficacy
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 30 Years
Enrollment
3,997 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
4
States / cities
Fresno, California • Carbondale, Illinois • Greensboro, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pragmatic Trial of Two Strategies for Implementing an Effective eHealth HIV Prevention Program (Keep It Up! 3.0)

NCT03896776
View directory record Official record
Conditions
HIV/AIDS, Gonorrhea, Chlamydia
Interventions
Keep It Up! 3.0
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
2,125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 6, 2023 · Synced Sep 7, 2026, 3:37 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Prepping for The Talk: Helping Trusted Adults and Youth Talk About Sexual Health

NCT07011563
View directory record Official record
Conditions
HIV Prevention, Sexual Health
Interventions
Intervention, Control
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
14 Years to 17 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 8, 2025 · Synced Sep 7, 2026, 3:37 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Digital Limited Interaction Efficacy Trial of LifeSkills Mobile to Reduce HIV Incidence in YTW

NCT05018611
View directory record Official record
Conditions
HIV Prevention
Interventions
LifeSkills Mobile
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
16 Years to 29 Years · Male only
Enrollment
5,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Engineering an Online STI Prevention Program: CSE2

NCT03408743
View directory record Official record
Conditions
Alcohol Consumption, Sexually Transmitted Diseases
Interventions
Knowledge Alone, Self-efficacy alone, Perceived benefits alone, Benefits and self-efficacy, Injunctive norms alone, Injunctive norms and self-efficacy, Injunctive norms and benefits, Injunctive norms, benefits, self-efficacy, Descriptive norms alone, Descriptive norms and self-efficacy, Descriptive norms and perceived benefits, Descriptive norms, benefits, self-efficacy, Descriptive norms and injunctive norms, Descriptive and injunctive norms, self-efficacy, Descriptive and injunctive norms, and benefits, Descriptive & injunctive norms, benefits, efficacy, Expectancies alone, Expectancies and self-efficacy, Expectancies and perceived benefits, Expectancies, benefits, self-efficacy, Expectancies and injunctive norms, Expectancies, injunctive norms, self-efficacy, Expectancies, injunctive norms, and benefits, Expectancies, injunctive norms, benefits, efficacy, Expectancies and descriptive norms, Expectancies, descriptive norms, & self-efficacy, Expectancies, descriptive norms, benefits, Expectancies, descriptive norms, benefits, efficacy, Expectancies, descriptive and injunctive norms, Expectancies, descriptive & injunctive norms, efficacy, Expectancies, descriptive & injunctive norms, benefits, Expectancies, descriptive & injunctive, benefits, efficacy
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 30 Years
Enrollment
2,946 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
4
States / cities
Fresno, California • Fargo, North Dakota • Murfreesboro, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Evaluation of the Healthy Love Workshop, an HIV Prevention Intervention for African American Women

NCT00362375
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Infections
Interventions
Healthy Love Workshop, HIV/AIDS 101 Workshop
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Female only
Enrollment
313 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 13, 2010 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Interventions to Improve Reproductive Health Among Adolescents

NCT04227236
View directory record Official record
Conditions
Teacher Training
Interventions
E-based virtual facilitator training for Making Proud Choices, In-person facilitator training for Making Proud Choices
Other
Lead sponsor
RAND
Other
Eligibility
21 Years and older
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Scotts Valley, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Not applicable Interventional

Computer-Assisted Provision of Reproductive Health Care

NCT00829517
View directory record Official record
Conditions
Contraception, Sexually Transmitted Diseases
Interventions
computer-assisted provision of hormonal contraception, STI module
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
814 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
San Francisco, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 16, 2012 · Synced Sep 7, 2026, 3:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

SCOPE-Chinese Women Study

NCT04326660
View directory record Official record
Conditions
Cancer, Breast, Obesity, Abdominal
Interventions
SCOPE-Chinese Women
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 21, 2022 · Synced Sep 7, 2026, 3:37 PM EDT
Recruiting Not applicable Interventional

reSET for the Treatment of Stimulant Use in HIV Clinics: Care Optimization Supporting Treatment Adherence (COSTA)

NCT05958017
View directory record Official record
Conditions
Stimulant Use Disorder, People Living With HIV
Interventions
reSET, Standard of care
Behavioral · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 90 Years · Male only
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 7, 2026, 3:37 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

A Multilevel, Multiphase Optimization Strategy for PrEP (MOST:PrEP)

NCT06334341
View directory record Official record
Conditions
HIV Seropositivity
Interventions
Computer-based simulation training for providers, Best Practice Alert, HIV Risk Assessment, PrEP Informational Video
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
1,380 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Sep 7, 2026, 3:37 PM EDT