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Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Pre-exposure prophylaxis with FTC/TDF Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Evaluating the Safety and Tolerability of Antiretroviral Drug Regimens Used as Pre-Exposure Prophylaxis to Prevent HIV Infection in At-Risk Men Who Have Sex With Men and in At-Risk Women

NCT01505114
View directory record Official record
Conditions
HIV Infection
Interventions
Maraviroc, Emtricitabine, Tenofovir disoproxil fumarate, Maraviroc placebo, Emtricitabine placebo, Tenofovir disoproxil fumarate placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
594 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 9 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 24, 2026, 12:53 AM EDT
Completed No phase listed Observational

A Prospective, Observational Study of Pregnancy Outcomes Among Women Exposed to Truvada for PrEP Indication

NCT01865786
View directory record Official record
Conditions
HIV Infection
Interventions
Not listed
Lead sponsor
Gilead Sciences
Industry
Eligibility
Female only
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pharmacokinetic Evaluation of Tenofovir/Emtricitabine as HIV Pre-Exposure Prophylaxis in Transgender Women

NCT03270969
View directory record Official record
Conditions
HIV Prevention
Interventions
Tenofovir Disoproxil Fumarate/Emtricitabine
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Sep 24, 2026, 12:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

HIV Pre-Exposure Prophylaxis (PrEP) Linkage With Immediate Medications in the Emergency Department Study

NCT07462611
View directory record Official record
Conditions
HIV Pre-exposure Prophylaxis, PrEP
Interventions
PrEP Uptake with Rapid Start, Pre-Exposure Prophylaxis (PrEP) Persistence
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

An Open Label Demonstration Project and Phase II Safety Study of Pre-Exposure Prophylaxis Use Among 15 to 17 Year Old Young Men Who Have Sex With Men (YMSM)

NCT01769456
View directory record Official record
Conditions
HIV Infection
Interventions
PCC, Emtricitabine/tenofovir (FTC/TDF (Truvada®))
Behavioral · Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
15 Years to 17 Years · Male only
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
6
States / cities
Los Angeles, California • Aurora, Colorado • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Sep 24, 2026, 12:53 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 24, 2026, 12:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Renal, Endocrine, and Bone Changes in Response to FTC/TDF in Uninfected Young Men Who Have Sex With Men (YMSM).

NCT01769469
View directory record Official record
Conditions
HIV Infection
Interventions
FTC/TDF (Truvada®)
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
15 Years to 22 Years · Male only
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
12
States / cities
Los Angeles, California • Aurora, Colorado • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2019 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Pre-Exposure Prophylaxis in YMSM

NCT01033942
View directory record Official record
Conditions
HIV
Interventions
coformulated emtricitabine (FTC) and tenofovir disoproxil fumarate (TDF) as PrEP, Placebo, Many Men, Many Voices (3MV)
Drug · Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 22 Years · Male only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Sep 24, 2026, 12:53 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

ANCHORS Alcohol & Sexual Health Study: UH3 Project

NCT04331704
View directory record Official record
Conditions
Alcohol Use, Unspecified, Substance Use, Sex Behavior
Interventions
PrEP acronym (pre-exposure prophylaxis), Initial Web Survey, Interactive Voice Response (IVR) monitoring, Educational material on alcohol and sexual health behavior, Interactive Voice Response (IVR) assessment with personalized information, Personalized information based on web-based survey responses & standardized information
Drug · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Biomarkers for Event-driven PrEP Adherence

NCT04298697
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Tenofovir disoproxil fumarate/emtricitabine (TDF/FTC)
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 59 Years · Male only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 24, 2026, 12:53 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Emtricitabine/Tenofovir Alafenamide Switch Study for Transgender Individuals for HIV Pre-exposure Prophylaxis

NCT04616963
View directory record Official record
Conditions
Hiv, Hormone Therapy
Interventions
Emtricitabine / Tenofovir Disoproxil Oral Tablet 200/300 mg, Emtricitabine Tenofovir Alafenamide 200/25 mg
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The ADAPT Study: Use of Emtricitabine and Tenofovir Disoproxil Fumarate for Pre-Exposure Prophylaxis (PrEP)

NCT01327651
View directory record Official record
Conditions
HIV Infections
Interventions
Daily dosing, Time-driven dosing, Event-driven dosing
Drug
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
18 Years and older
Enrollment
622 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Phase II Safety and Acceptability of an Investigational Injectable Product, TMC278LA, for Pre-Exposure Prophylaxis

NCT02165202
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV)
Interventions
Rilpivirine, Placebo
Drug
Lead sponsor
PATH
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
2
States / cities
Newark, New Jersey • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2018 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 3 Interventional

SmartSteps: A Context-Aware, PrEP Adherence Intervention for Individuals With Substance Use Disorder

NCT05378399
View directory record Official record
Conditions
HIV Infections, Substance Use, Adherence, Medication, Adherence, Treatment
Interventions
Descovy or Truvada, ID-Cap System, Beiwe
Drug · Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 1 Interventional Results available

Body Compartment Pharmacokinetics of Anti-retroviral Agents That May be Considered for Future On-demand Peri-exposure HIV Prophylaxis Regimens

NCT03976752
View directory record Official record
Conditions
HIV/AIDS
Interventions
Genvoya
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 49 Years · Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

IN-US-276-1340: Pre-Exposure Prophylaxis to Prevent HIV Acquisition in US Women: A Demonstration Project

NCT03058835
View directory record Official record
Conditions
PrEP Adherence Monitoring
Interventions
tenofovir disoproxil and emtricitabine
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2024
U.S. locations
4
States / cities
Atlanta, Georgia • Chicago, Illinois • Newark, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 4 Interventional Results available

Pre-exposure Prophylaxis (PrEP) Adherence Enhancement Guided by iTAB and Drug Levels for Women

NCT02584140
View directory record Official record
Conditions
HIV Prevention
Interventions
Text Messaging, Adherence Counseling, Daily Oral PrEP
Behavioral · Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Female only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
5
States / cities
Los Angeles, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2021 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Transgender Youth and PrEP: PK, Safety, Uptake & Adherence - Demonstration Project

NCT04077151
View directory record Official record
Conditions
HIV/AIDS, Gender, Behavior and Behavior Mechanisms
Interventions
PrEP Demonstration Project
Behavioral
Lead sponsor
Hektoen Institute for Medical Research
Other
Eligibility
15 Years to 24 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 1, 2024 · Synced Sep 24, 2026, 12:53 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers Results available

Study of Lenacapavir for HIV Pre-Exposure Prophylaxis in People Who Are at Risk for HIV Infection

NCT04925752
View directory record Official record
Conditions
Pre-Exposure Prophylaxis of HIV Infection
Interventions
Oral Lenacapavir (LEN), F/TDF, Sub-cutaneous (SC) Lenacapavir (LEN), Placebo SC LEN, PTM F/TDF, PTM Oral LEN, F/TAF (for US participants only)
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
16 Years and older
Enrollment
3,292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
60
States / cities
Birmingham, Alabama • Loma Linda, California • Los Angeles, California + 43 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 24, 2026, 12:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Transgender Youth and PrEP: PK, Safety, Uptake & Adherence - Intervention Development

NCT04077138
View directory record Official record
Conditions
HIV/AIDS, Gender, Behavior and Behavior Mechanisms
Interventions
Not listed
Lead sponsor
Hektoen Institute for Medical Research
Other
Eligibility
15 Years to 24 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
Denver, Colorado • Chicago, Illinois • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 31, 2024 · Synced Sep 24, 2026, 12:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Factors Affecting PrEP Adherence

NCT02411630
View directory record Official record
Conditions
HIV Infection
Interventions
Emtricitabine/tenofovir disoproxil
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
15 Years to 22 Years · Male only
Enrollment
167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
12
States / cities
Los Angeles, California • Aurora, Colorado • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Truvada for HIV Pre Exposure Prophylaxis Using Daily Directly Observed Therapy to Look at Potential Interactions Between Truvada and Hormone Therapy

NCT04050371
View directory record Official record
Conditions
HIV Prevention, Transgender Health
Interventions
200 mg emtricitabine and 300 mg tenofovir disoproxil fumarate
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pre-Exposure Prophylaxis in the Emergency Department

NCT04429971
View directory record Official record
Conditions
HIV/AIDS, PrEP
Interventions
PrEP screening program, PrEP starter pack
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Sep 24, 2026, 12:53 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Assessment of a New "Boosting" Strategy for HIV Pre-exposure Prophylaxis in Healthy Volunteers

NCT03202511
View directory record Official record
Conditions
Pre-Exposure Prophylaxis
Interventions
Probenecid Oral Tablet, Tenofovir disoproxil fumarate/Emtricitabine
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Sep 24, 2026, 12:53 AM EDT