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Showing 1–14 of 14 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: PrEP Mobile Messaging Intervention Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

HealthMindr App to Increase Pre-exposure Prophylaxis (PrEP) Uptake and Retention Among Men Who Have Sex With Men (MSM)

NCT03763942
View directory record Official record
Conditions
HIV Infections
Interventions
HealthMindr App, Control App
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
658 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Sep 6, 2026, 5:52 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Using Mobile Technology to Prevent HIV and Related Youth Health Problems

NCT05130151
View directory record Official record
Conditions
HIV Infections
Interventions
Youth Health SMS
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
15 Years to 19 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 6, 2026, 5:52 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Mobile Gaming App to Improve Adherence to PrEP

NCT05762705
View directory record Official record
Conditions
Medication Adherence, HIV/AIDS
Interventions
Multilevel Gaming Adherence Intervention, Treatment as Usual +
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
15 Years to 34 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
3
States / cities
Boston, Massachusetts • Jackson, Mississippi • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 6, 2026, 5:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Preemie Prep For Parents (P3): Home Antenatal Prematurity Education

NCT04093492
View directory record Official record
Conditions
Premature Birth, Decision Making, Prenatal Care, Resuscitation, Infant, Premature
Interventions
Preemie Prep for Parents (P3) Outpatient Mobile Intervention, ACOG links
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
Not listed
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Sep 6, 2026, 5:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Mobile Intervention to Improve Uptake of PrEP for Southern Black MSM

NCT03308097
View directory record Official record
Conditions
Hiv
Interventions
PrEP Mobile Messaging Intervention, Enhanced Standard of Care
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Feb 20, 2021 · Synced Sep 6, 2026, 5:52 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

PrEPsmart 2-1-1 Pilot

NCT06631365
View directory record Official record
Conditions
HIV-1-infection
Interventions
PrEPsmart mobile app, Truvada
Device · Drug
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 6, 2026, 5:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Online Network Intervention to Increase HIV Pre-exposure Prophylaxis Intention

NCT04771312
View directory record Official record
Conditions
Behavior, Health
Interventions
Mobile app information-only intervention, Mobile app social support network intervention
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2021 · Synced Sep 6, 2026, 5:52 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Comparing Mobile Health Strategies to Improve Pre-exposure Prophylaxis Use (PrEP) for HIV Prevention

NCT04855773
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
PrEPmate, Dot Diary
Other · Device
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
15 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
4
States / cities
San Francisco, California • Washington D.C., District of Columbia • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 6, 2026, 5:52 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 6, 2026, 5:52 AM EDT
Completed Not applicable Interventional

Pilot Mobile Medical Unit Study for I'm Fully Empowered4Her

NCT05644834
View directory record Official record
Conditions
HIV Prevention, Pre-exposure Prophylaxis, PrEP, Prevention, Women's Health, Mobile Health
Interventions
I'm Fully Empowered for Her (IFE4Her)
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Sep 6, 2026, 5:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Feasibility and Preliminary Impact of a mHealth App on Reducing STI Risk in Black MSM PrEP Users

NCT05395754
View directory record Official record
Conditions
STI, Sexually Transmitted Diseases, Pre-exposure Prophylaxis
Interventions
App Intervention
Device
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Sep 6, 2026, 5:52 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PrEP iT! Mobile App Intervention

NCT04509076
View directory record Official record
Conditions
Treatment Adherence and Compliance
Interventions
PrEP iT! (plus usual PrEP care), Usual PrEP care
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 6, 2023 · Synced Sep 6, 2026, 5:52 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Combatting HIV Or Other STIs Early (CHOOSE)

NCT07510048
View directory record Official record
Conditions
HIV, STIs, STIs Prevention, HIV Prevention
Interventions
Standard of care and PrEP Choice at Enrollment, Standard of care followed by PrEP Choice at Month 9
Other
Lead sponsor
Westat
Other
Eligibility
13 Years to 24 Years · Male only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
6
States / cities
San Francisco, California • Washington D.C., District of Columbia • Tampa, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 6, 2026, 5:52 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Adaptive Intervention Strategies for HIV PrEP Care in Rural People Who Inject Drugs

NCT06666309
View directory record Official record
Conditions
HIV Prevention
Interventions
SBCM-PrEP + Text Messaging, CDC-PrEP + Text Messaging, T-SBCM, Mobile Outreach
Behavioral
Lead sponsor
Hilary L Surratt, PhD
Other
Eligibility
18 Years and older
Enrollment
424 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
4
States / cities
Barbourville, Kentucky • Lexington, Kentucky • Manchester, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Sep 6, 2026, 5:52 AM EDT