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ClinicalTrials.gov public records Last synced Oct 10, 2026, 9:14 PM EDT

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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Public Health Foundation Enterprises, Inc. Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

MyPrEP Plus: Development and Pilot Testing of Novel Preexposure Prophylaxis Decision Support Tools for Transgender Women

NCT07146139
View directory record Official record
Conditions
HIV Pre-exposure Prophylaxis, HIV Prevention and Care, Mobile Health Technology (mHealth), Adherence, Doxycycline STI PEP
Interventions
MyPrEP Plus Package, Standard of Care (SOC)
Device · Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Oct 10, 2026, 9:14 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Study Evaluating An Integrated Pharmacy Digital Diary and Delivery Strategy to Increase PrEP Use Among MSM and TGW

NCT05474313
View directory record Official record
Conditions
HIV Prevention, Pre-exposure Prophylaxis (PrEP), Risk Reduction, Adherence, Medication
Interventions
PrEP-3D package, Standard of Care
Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced Oct 10, 2026, 9:14 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Personalized HIV and STI Testing Tool

NCT03109899
View directory record Official record
Conditions
Risk Reduction, HIV, Sexually Transmitted Infections (Not HIV or Hepatitis)
Interventions
Sex Pro mobile Application
Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2020 · Synced Oct 10, 2026, 9:14 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

mHealth Systems Navigation- Breaking Systems Barriers for Trans Women Living With HIV

NCT05196009
View directory record Official record
Conditions
Mental Health Issue, Substance Use
Interventions
mHealth peer navigation and social support
Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2022 · Synced Oct 10, 2026, 9:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Acceptability of Pharmacologic Treatment for Methamphetamine Dependence Among MSM

NCT00318409
View directory record Official record
Conditions
Substance Abuse, HIV Infections
Interventions
Bupropion, Placebo
Drug
Lead sponsor
San Francisco Department of Public Health
Government
Eligibility
18 Years to 60 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 17, 2014 · Synced Oct 10, 2026, 9:14 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Stay Study: A Demonstration Project Advancing PrEP Delivery in the San Francisco Bay Area Transgender Community

NCT03120936
View directory record Official record
Conditions
Transgender Persons, Pre-Exposure Prophylaxis
Interventions
Emtricitabine / Tenofovir Disoproxil Oral Tablet, PrEP support
Drug · Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
5
States / cities
Fremont, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2021 · Synced Oct 10, 2026, 9:14 PM EDT
Not listed Not applicable Interventional

The Cheeky Study: A Novel Delivery System for CAB-RPV LA

NCT05979714
View directory record Official record
Conditions
HIV Infections
Interventions
Patient-centered injection site, Patient-centered adherence support, Provider education, Improved clinic communication strategies
Other · Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Oct 10, 2026, 9:14 PM 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 8, 2024 · Synced Oct 10, 2026, 9:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Examining Hair to Determine Tenofovir Exposure

NCT00903084
View directory record Official record
Conditions
HIV
Interventions
Tenofovir Disoproxil Fumarate
Drug
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2015 · Synced Oct 10, 2026, 9:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HOME Study: a Combination Support Package to Increase Uptake of PrEP and HIV/STI Testing

NCT03138135
View directory record Official record
Conditions
HIV Prevention, Sexually Transmitted Diseases, Pre-Exposure Prophylaxis
Interventions
HOME Study intervention, Control
Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2021 · Synced Oct 10, 2026, 9:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Mirtazapine to Reduce Methamphetamine Use Among MSM With High-risk HIV Behaviors

NCT00497081
View directory record Official record
Conditions
Substance Abuse, HIV Infections
Interventions
mirtazapine, placebo
Drug
Lead sponsor
San Francisco Department of Public Health
Government
Eligibility
18 Years to 60 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 5, 2015 · Synced Oct 10, 2026, 9:14 PM 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 11, 2021 · Synced Oct 10, 2026, 9:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Men's Prevention Apps to Research Efficacy

NCT03965221
View directory record Official record
Conditions
HIV/AIDS, Sexually Transmitted Diseases, Pre-exposure Prophylaxis, Risk Reduction
Interventions
LYNX, MyChoices
Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
15 Years to 29 Years · Male only
Enrollment
381 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
8
States / cities
Tampa, Florida • Atlanta, Georgia • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Oct 10, 2026, 9:14 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

DOT Diary Optimization Pilot: A Pilot Study to Optimize the DOT Diary App to Measure PrEP Adherence

NCT03387462
View directory record Official record
Conditions
Adherence, Medication, Risk Behavior, Pre-Exposure Prophylaxis, HIV Prevention
Interventions
Emtricitabine / Tenofovir Disoproxil Oral Tablet, DOT Diary mobile app
Drug · Other
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
2
States / cities
San Francisco, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Oct 10, 2026, 9:14 PM 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 28, 2022 · Synced Oct 10, 2026, 9:14 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

DOT Diary Mobile App for Pre-Exposure Prophylaxis Adherence in Young Men

NCT03771638
View directory record Official record
Conditions
Adherence, Medication, Risk Behavior, Pre-Exposure Prophylaxis, HIV Prevention
Interventions
Emtricitabine / Tenofovir Disoproxil Oral Tablet, DOT Diary mobile app
Drug · Other
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
San Francisco, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced Oct 10, 2026, 9:14 PM EDT