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Showing 1–24 of 44 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pre-exposure Prophylaxis Use Clear all
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 20, 2022 · Synced Jul 21, 2026, 11:10 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinician Attitudes and Behaviors Regarding Use of Pre-Exposure Prophylaxis (PrEP) for Primary HIV Prevention

NCT01751659
View directory record Official record
Conditions
Clinician Attitudes About PrEP
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Jul 21, 2026, 11:10 AM EDT
Recruiting Not applicable Interventional

Pre-exposure Prophylaxis (PrEP) Adherence Intervention for Women with Substance Use Disorders

NCT06158607
View directory record Official record
Conditions
Substance Use
Interventions
Addiction Clinic-Based PrEP Adherence Intervention for Women with Substance Use Disorders, Standard of care treatment
Behavioral · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 29, 2024 · Synced Jul 21, 2026, 11:10 AM EDT
Recruiting Phase 4 Interventional

Long-acting Cabotegravir Injectable Pre-exposure Prophylaxis for People Who Inject Drugs

NCT07199335
View directory record Official record
Conditions
HIV, Substance Use Disorder (SUD), Injection Drug Use
Interventions
APRETUDE (cabotegravir)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 21, 2026, 11:10 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Trauma-informed, Resilience-based Telehealth Intervention for Improving HIV Prevention and HCV Care for Persons Who Inject Drugs in the Deep South (Pilot Testing: Aim3)

NCT06799702
View directory record Official record
Conditions
HIV Pre-exposure Prophylaxis, HEPATITIS C (HCV), Opioid Use Disorder
Interventions
Telehealth Behavioral Intervention for promoting HIV and HCV care and MOUD among Persons who inject drugs (PWID)
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Colbert, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Jul 21, 2026, 11:10 AM EDT
Completed Not applicable Interventional

Substance Checking Outreach and Pre-Exposure Prophylaxis (PrEP) Engagement Study

NCT05977881
View directory record Official record
Conditions
HIV Infections
Interventions
CHECKIT!
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
493 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Jul 21, 2026, 11:10 AM EDT
Completed No phase listed Observational

Evaluation of Implementation of the Phoenix PrEP (Pre-Exposure Prophylaxis) Access Project for Youth Aged 13-24

NCT03637322
View directory record Official record
Conditions
Unsafe Sex, IV Drug Usage
Interventions
Not listed
Lead sponsor
Phoenix Children's Hospital
Other
Eligibility
13 Years to 24 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 30, 2023 · Synced Jul 21, 2026, 11:10 AM EDT
Completed Not applicable Interventional

Competitive Revision for CLARO: Collaboration Leading to Addiction Treatment and Recovery From Other Stresses

NCT04634279
View directory record Official record
Conditions
Opioid-use Disorder, Addiction, Depression, Post Traumatic Stress Disorder, Suicidal Ideation
Interventions
Collaborative care Plus
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
12
States / cities
Los Angeles, California • Santa Monica, California • Albuquerque, New Mexico + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Jul 21, 2026, 11:10 AM EDT
Recruiting Phase 4 Interventional

Optimizing Evidence-based HIV Prevention Targeting People Who Inject Drugs on PrEP

NCT05669534
View directory record Official record
Conditions
Hiv, Opioid Use Disorder
Interventions
community-friendly health recovery program, Pre-Exposure Prophylaxis and Post-Exposure Prophylaxis
Behavioral · Drug
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jul 21, 2026, 11:10 AM EDT
Completed Not applicable Interventional Results available

Coaching for HCV and HIV

NCT04314414
View directory record Official record
Conditions
Hepatitis C, HIV Infections, Opioid-use Disorder
Interventions
PRC brief motivational interview intervention, Phone contact
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 18, 2022 · Synced Jul 21, 2026, 11:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Leveraging the Emergency Department to Engage African American Women in HIV Pre-Exposure Prophylaxis

NCT03930654
View directory record Official record
Conditions
HIV Infections
Interventions
iPrEP, Usual Care
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Jul 21, 2026, 11:10 AM EDT
Active, not recruiting No phase listed Observational

Infectious Disease (ID) Testing OUtreach in Carceral Hubs

NCT06679751
View directory record Official record
Conditions
HIV Infections, Opioid Use Disorder
Interventions
ID-TOUCH
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Jul 21, 2026, 11:10 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Moon and Sun Brothers: A Community Prevention Intervention (Hermanos de Luna y Sol)

NCT07475702
View directory record Official record
Conditions
Help-Seeking Behavior, Pre-exposure Prophylaxis Use, Condomless Sex, Risky Health Behavior
Interventions
Moon and Sun Brothers: A Community Prevention Intervention
Behavioral
Lead sponsor
San Francisco State University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
San Francisco, California • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Jul 21, 2026, 11:10 AM EDT
Completed Not applicable Interventional Results available

Testing an Integrated Bio-Behavioral Primary HIV Prevention Intervention Among High-Risk People Who Use Drugs

NCT03282890
View directory record Official record
Conditions
Risk Behavior, HIV/AIDS, Medication Adherence, Substance Abuse
Interventions
CHRP-BB
Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years and older
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 16, 2025 · Synced Jul 21, 2026, 11:10 AM EDT
Completed No phase listed Observational

Optimizing CAB-LA as PrEP for Women Who Inject Drugs

NCT05799339
View directory record Official record
Conditions
HIV Infections, Opioid Use, Trauma, Psychological
Interventions
Not listed
Lead sponsor
Alexis Roth
Other
Eligibility
18 Years and older · Female only
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 28, 2025 · Synced Jul 21, 2026, 11:10 AM EDT
Completed No phase listed Observational

A Prospective, Observational, Drug Utilization Study of Subjects Taking Truvada for Pre-exposure Prophylaxis in the USA

NCT01865799
View directory record Official record
Conditions
Pre-exposure Prophylaxis for Prevention of HIV Infection
Interventions
Not listed
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
64,186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Foster City, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2018 · Synced Jul 21, 2026, 11:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing PrEP Utilization Among Alcohol and Other Drug (AOD) Using Women of Color

NCT04018651
View directory record Official record
Conditions
HIV Prevention
Interventions
PrEP Master Adherence Intervention
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
North Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 12, 2023 · Synced Jul 21, 2026, 11:10 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 Jul 21, 2026, 11:10 AM EDT
Completed Phase 3 Interventional Results available

Development of Ingestible Biosensors to Enhance PrEP Adherence in Substance Users (PrEPSteps)

NCT03512418
View directory record Official record
Conditions
HIV Infections, Substance Use Disorders
Interventions
PrEPsteps, Digital pill, Truvada
Behavioral · Device · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boylston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Jul 21, 2026, 11:10 AM EDT
Active, not recruiting Not applicable Interventional

Promoting HIV Risk Reduction Among People Who Inject Drugs: A Stepped Care Approach Using Contingency Management With PrEP Adherence and Support Services

NCT04738825
View directory record Official record
Conditions
Opioid-use Disorder, HIV Prevention Program
Interventions
Contingency Management with stepped care to PrEP adherence and support services (CoMPASS)
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
526 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
6
States / cities
Bridgeport, Connecticut • Danbury, Connecticut • New Haven, Connecticut + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 21, 2026, 11:10 AM EDT
Recruiting Not applicable Interventional

Pre-exposure Prophylaxis (PrEP) Uptake and Adherence Intervention for Women with Trauma-related Conditions

NCT06558825
View directory record Official record
Conditions
Substance Use
Interventions
Integrated Intervention to Promote PrEP Uptake, Standard Treatment Condition
Behavioral · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 29, 2024 · Synced Jul 21, 2026, 11:10 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Systems Analysis and Improvement Approach for Optimizing HIV Service Delivery in Syringe Services Programs

NCT06025435
View directory record Official record
Conditions
HIV Infections
Interventions
SAIA-HIV-SSP
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced Jul 21, 2026, 11:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Combination Primary Care and Prevention Services for Women Who Inject Drugs and Exchange Sex in Seattle, Washington

NCT06187064
View directory record Official record
Conditions
Opioid Use Disorder, HIV Infections, Chlamydia, Gonorrhea, Syphilis, Trichomonas
Interventions
Mobile Van Clinic
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Jul 21, 2026, 11:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mobile Enhanced Prevention Support for People Leaving Jail

NCT04036396
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases, Bacterial, Hepatitis C, Substance Use Disorders
Interventions
Mobile Enhanced Prevention Support, Usual Care plus Customized Referrals
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 49 Years · Male only
Enrollment
233 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
3
States / cities
Los Angeles, California • Santa Fe Springs, California
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jul 21, 2026, 11:10 AM EDT