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ClinicalTrials.gov public records Last synced Oct 23, 2026, 7:32 AM EDT

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Showing 1–24 of 515 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: STD Prevention Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Hybrid Evaluation of a Home-based HIV Pre-exposure Prophylaxis Program

NCT05856942
View directory record Official record
Conditions
HIV Prevention, Pre-exposure Prophylaxis, STI
Interventions
Health service - home-based PrEP monitoring
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
458 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 10, 2024 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protect and Connect: Couple HIV Prevention for Drug Involved Male Offenders

NCT01690494
View directory record Official record
Conditions
Sexually Transmitted Diseases, Unsafe Sex, Substance-Related Disorders
Interventions
PACT, TAU
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 18, 2018 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The S.A.F.E. Study : Computer-Aided Counseling to Prevent Teen Pregnancy/Sexually Transmitted Diseases (STDs)

NCT00151151
View directory record Official record
Conditions
Pregnancy, Sexually Transmitted Diseases
Interventions
Computer-Assisted Motivational Intervention, Didactic Educational Counseling
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
13 Years to 21 Years · Female only
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 13, 2011 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Phase 1 Interventional Results available

Body Compartment PK for New HIV Pre-exposure Prophylaxis Modalities

NCT02985996
View directory record Official record
Conditions
HIV Infections
Interventions
Truvada, Genvoya
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 49 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2019 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Health Outcomes in Young Cisgender Men and Transgender Women (mLab App)

NCT03803683
View directory record Official record
Conditions
HIV Infections
Interventions
mLab App, HIV Prevention Information, HIV Home Tests
Device · Behavioral
Lead sponsor
Rebecca Schnall, RN, MPH, PhD
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
525 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Chicago, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 26, 2024 · Synced Oct 23, 2026, 7:32 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The TAIL-PrEP Study

NCT06868641
View directory record Official record
Conditions
HIV Infections
Interventions
TAIL-PrEP for patients discontinuing cab-LA, TAIL-PrEP for patients considering discontinuing cab-LA, TAIL-PrEP for patients considering discontinuing LEN
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Peer-Oriented HIV Prevention Outreach Program for Individuals at High Risk for HIV and Other STIs

NCT00183456
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Peer-oriented intervention, Group cognitive behavioral therapy (CBT)
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 74 Years
Enrollment
746 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 28, 2013 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Not applicable Interventional

A Randomized Prospective Study of Pyrimethamine Therapy for Prevention of Toxoplasmic Encephalitis in HIV-Infected Individuals With Serologic Evidence of Latent Toxoplasma Gondii Infection

NCT00000666
View directory record Official record
Conditions
Toxoplasmosis, Cerebral, HIV Infections
Interventions
Pyrimethamine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1992
U.S. locations
16
States / cities
San Francisco, California • Denver, Colorado • New Haven, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2012 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Not applicable Interventional

Positive Lifestyles Using Safety

NCT00836290
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
Pre-Release (Group 1), Post-release (Group 2)
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 21, 2015 · Synced Oct 23, 2026, 7:32 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Integrating Supports to Promote PrEP for Black Adolescents Working With Apps- Atlanta

NCT07535346
View directory record Official record
Conditions
HIV Infections
Interventions
Health MPowerment App
Behavioral
Lead sponsor
Emory University
Other
Eligibility
14 Years to 21 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 23, 2026, 7:32 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Trial of Allogeneic Reduced-Intensity, HLA-Haploidentical Allogeneic Hematopoietic Cell Bone Marrow Transplantation Followed by Graft-versus-Host-Disease (GVHD) Prophylaxis With Cyclophosphamide, Bortezomib and Maraviroc for Hematologic Malignancies ...

NCT05470491
View directory record Official record
Conditions
HIV, Hematologic Malignancies
Interventions
RIC, GVHD prophylaxis, allo HCT, Plerixafor, Maraviroc
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
12 Years to 120 Years
Enrollment
265 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Validation of a Urine Assay to Measure Tenofovir Levels in Patients Taking Tenofovir Alafenamide

NCT03350672
View directory record Official record
Conditions
Hiv
Interventions
FTC/TAF
Drug
Lead sponsor
Philadelphia Fight
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 30, 2021 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Not applicable Interventional

Primary Care-Based Interventions to Reduce Alcohol Use Among HIV Patients

NCT01671501
View directory record Official record
Conditions
HIV, Acquired Immunodeficiency Syndrome, Alcoholism, Alcoholic Intoxication, Substance-Related Disorders
Interventions
Motivational Interviewing, Email Feedback, Usual Care
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
614 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 10, 2018 · Synced Oct 23, 2026, 7:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Safer Conception Intervention for HIV-1 Serodiscordant Couples

NCT03030768
View directory record Official record
Conditions
HIV Seropositivity, Pregnancy, High-Risk
Interventions
PrEP, Counseling on timed condomless sex, ART and PrEP adherence
Drug · Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 49 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Oct 23, 2026, 7:32 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Capacity Builders Inc. Navajo Youth Builders Personal Responsibility Education Innovation Strategies Project

NCT04180358
View directory record Official record
Conditions
Sexual Abstinence, Responsible Sex
Interventions
Native STAND, Regular Health/Physical Education Curriculum
Behavioral
Lead sponsor
Capacity Builders Inc.
Other
Eligibility
14 Years to 18 Years
Enrollment
834 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Farmington, New Mexico
Source: ClinicalTrials.gov public record
Updated Nov 27, 2019 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Tenofovir Rectal Douche to Prevent HIV Transmission

NCT04016233
View directory record Official record
Conditions
HIV/AIDS, HIV Prevention
Interventions
Tenofovir douche
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Baltimore, Maryland • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Family-Based HIV Prevention for Latinos

NCT00582101
View directory record Official record
Conditions
HIV Infections
Interventions
Family-Based HIV Prevention for Latinos, General Health Promotion
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
13 Years to 18 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 6, 2012 · Synced Oct 23, 2026, 7:32 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Project Minority AIDS Prevention: Reaching Black and Hispanic MSM About PrEP and TasP Using Social Media

NCT03404531
View directory record Official record
Conditions
HIV Infections
Interventions
Social Media Messages Intervention Group, Website Only Group
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Male only
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 8, 2020 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Not applicable Interventional

The Safety and Effectiveness of Clarithromycin in the Prevention of Mycobacterium Avium Complex (MAC) Infection in HIV-Infected Patients

NCT00002336
View directory record Official record
Conditions
Mycobacterium Avium-intracellular Infection, HIV Infections
Interventions
Clarithromycin
Drug
Lead sponsor
Abbott
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 1994
U.S. locations
22
States / cities
Tucson, Arizona • Fresno, California • San Diego, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2015 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Phase 2 Interventional

The Safety and Effectiveness of Ganciclovir in the Prevention of Cytomegalovirus (CMV) of the Eyes and Disease of the Stomach and Intestines in Patients With HIV

NCT00001034
View directory record Official record
Conditions
Cytomegalovirus Retinitis, HIV Infections, Gastrointestinal Diseases
Interventions
Ganciclovir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1995
U.S. locations
17
States / cities
San Francisco, California • Denver, Colorado • Wilmington, Delaware + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acceptability, Feasibility, and Preliminary Impact of a Web-based, HIV Prevention Toolkit With Cisgender Male Couples in Lima, Peru

NCT05873855
View directory record Official record
Conditions
HIV Infections, Hiv, Sexually Transmitted Infections (Not HIV or Hepatitis), Sexually Transmitted Diseases, Sexual Behavior, Risk Reduction
Interventions
Para ti, para mi, para nosotros (P3), Waitlist Control Para ti, para mi, para nosotros (P3)
Behavioral
Lead sponsor
Florida International University
Other
Eligibility
18 Years and older · Male only
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 23, 2026, 7:32 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 17, 2025 · Synced Oct 23, 2026, 7:32 AM EDT
Completed Not applicable Interventional Results available

HIV Screening in the Emergency Department Setting

NCT00667186
View directory record Official record
Conditions
HIV Infections
Interventions
Targeted Screening, Routine Screening
Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
9,572 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 4, 2013 · Synced Oct 23, 2026, 7:32 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 28, 2022 · Synced Oct 23, 2026, 7:32 AM EDT