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ClinicalTrials.gov public records Last synced Oct 20, 2026, 3:53 PM EDT

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Showing 289–312 of 765 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Human Immunodeficiency Virus Prevention Clear all
Not listed No phase listed Observational

What Happens in Vegas: PEP to PrEP Opportunities

NCT03775083
View directory record Official record
Conditions
Exposure to Human Immunodeficiency Virus (Event)
Interventions
Currently approved medications
Drug
Lead sponsor
Huntridge Family Clinic
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Dec 13, 2018 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Acceptability Study of the UC-781 Microbicide Gel Applied Rectally

NCT00408538
View directory record Official record
Conditions
HIV Infections
Interventions
UC-781 microbicide gel (0.1% and 0.25%), placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 4, 2009 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Phase 3 Interventional

Randomized Comparative Study of Fluconazole Versus Clotrimazole Troches in the Prevention of Serious Fungal Infection in Patients With AIDS or Advanced AIDS-Related Complex. (A Nested Study of ACTG 081)

NCT00000676
View directory record Official record
Conditions
Candidiasis, Mycoses, HIV Infections
Interventions
Clotrimazole, Fluconazole
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1993
U.S. locations
25
States / cities
Palo Alto, California • San Diego, California • San Francisco, California + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Oct 20, 2026, 3:53 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Video-Based Delivery of HIV Test Information for Spanish-Speaking Latinos

NCT01452555
View directory record Official record
Conditions
HIV, AIDS
Interventions
Video or In-Person Presentation
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 17, 2011 · Synced Oct 20, 2026, 3:53 PM EDT
Terminated Not applicable Interventional

Prevention of Depression in HIV/HCV Co-infected Substance Abuse Patients

NCT00655226
View directory record Official record
Conditions
Hepatitis C, Depressive Disorder, Major, Depressive Disorder, Depression, HIV Infections
Interventions
Hepatitis C educational support groups, Cognitive Behavioral Therapy skills based group sessions
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
21 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 9, 2011 · Synced Oct 20, 2026, 3:53 PM EDT
Terminated Phase 1Phase 2 Interventional

Reducing Risk and Trauma-Related Stress in Persons Living With HIV

NCT00186030
View directory record Official record
Conditions
HIV, PTSD
Interventions
HIV Skills-based Prevention
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
102 participants
Timeline
2003 – 2004
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 6, 2006 · Synced Oct 20, 2026, 3:53 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 20, 2026, 3:53 PM EDT
Not yet recruiting Not applicable Interventional

Testing a Mobile Health Application to Improve HIV Prevention and Substance Use Treatment Among Women Involved in the Carceral System

NCT07432555
View directory record Official record
Conditions
Substance Abuse, HIV
Interventions
Tool to provide re-entry support and improve linkage to healthcare and social services
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years and older · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Study of Peer Education to Prevent HIV Transmission Among Injection Drug Users and Their HIV Risk Contacts

NCT00038688
View directory record Official record
Conditions
HIV Infections
Interventions
Peer HIV Education Program
Behavioral
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
2,610 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 30, 2009 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Leveraging Electronic Health Record Data in a Risk Prediction Model to Increase HIV PrEP Intake in Primary Care

NCT05991869
View directory record Official record
Conditions
Pre-Exposure Prophylaxis
Interventions
Point-of-care decision support intervention
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing HIV Vulnerability Through A Multilevel Life Skills Intervention For Adolescent Men

NCT03155841
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases, Sexual Behavior, Adolescent Behavior, Homosexuality
Interventions
Life Skills Coaching, Community Resources
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
13 Years to 18 Years · Male only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
2
States / cities
Atlanta, Georgia • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 6, 2023 · Synced Oct 20, 2026, 3:53 PM EDT
Completed No phase listed Observational

Prevention and Treatment Continuum for Youth at HIV Risk, Acutely Infected and With Established HIV Infection

NCT03205696
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Antiretrovirals
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
12 Years to 24 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
3
States / cities
Los Angeles, California • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Oct 20, 2026, 3:53 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Preventing Health Damaging Behaviors in Male and Female Army Recruits

NCT01234103
View directory record Official record
Conditions
Sexually Transmitted Infection (STI) Prevention, Unintended Pregnancy Prevention, Sexual Risk Reduction, Alcohol and Other Substance Use Prevention, Intimate Partner Violence Prevention
Interventions
Preventing Helath Damaging Health Behaviors in Male and Female Army Recruits
Behavioral
Lead sponsor
United States Department of Defense
Federal
Eligibility
18 Years and older
Enrollment
933 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 25, 2017 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing HIV Among Native Americans Through the Treatment PTSD & Substance Use

NCT03112369
View directory record Official record
Conditions
HIV Prevention, PTSD and Substance Use Disorder
Interventions
Narrative Exposure Therapy (NET), Motivational Interviewing w/Skills Training (MIST)
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
16 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Community Influences Transitions in Youth Health (CITY) Health II - Center for the Study of Community Health

NCT04320186
View directory record Official record
Conditions
Sexually Transmitted Diseases, HIV Infections
Interventions
Entertainment education, video
Behavioral · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 25 Years
Enrollment
334 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 10, 2023 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Survey Procedures for Young Men Who Have Sex With Men in Web-based HIV Prevention: Retention Study

NCT02424643
View directory record Official record
Conditions
Healthy
Interventions
Monetary Incentive, Altruistic Incentive, Dashboard Incentive
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
1,131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 9, 2016 · Synced Oct 20, 2026, 3:53 PM EDT
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 5, 2021 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Lay Health Advisors for Sexually Transmitted Disease Prevention

NCT00207506
View directory record Official record
Conditions
Syphilis, Gonorrhea, Chlamydia Infections, HIV Infections
Interventions
HoMBReS: A lay health advisor approach to STD prevention
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Male only
Enrollment
354 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 11, 2012 · Synced Oct 20, 2026, 3:53 PM EDT
Recruiting Not applicable Interventional

PRIDE III Prison Interventions and HIV Prevention Collaboration

NCT06962033
View directory record Official record
Conditions
Hiv, Opioid Use
Interventions
Opioid Agonist Therapy
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Life-Steps Counseling to Enhance Adherence and Engagement in PrEP Care

NCT04316715
View directory record Official record
Conditions
Adherence, Medication
Interventions
Lifesteps for PrEP, Daily text message reminders
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
2
States / cities
Miami, Florida • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

HIV Prevention Counseling for Men Who Have Sex With Men

NCT00000931
View directory record Official record
Conditions
HIV Infections
Interventions
Behavioral intervention, Risk-reduction counseling
Behavioral
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older · Male only
Enrollment
4,350 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
6
States / cities
San Francisco, California • Denver, Colorado • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2008 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Transgender Men's Perspectives on HIV Risk and HIV Prevention Interventions

NCT05666102
View directory record Official record
Conditions
Transgenderism, HIV Infections
Interventions
Transgender men's perspectives on HIV risk and HIV prevention interventions
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 9, 2023 · Synced Oct 20, 2026, 3:53 PM 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 17, 2018 · Synced Oct 20, 2026, 3:53 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Men of African American Legacy Empowering Self

NCT01492530
View directory record Official record
Conditions
HIV
Interventions
Men of African American Legacy Empowering Self, Standard HIV Education & Risk Reduction
Behavioral
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years and older · Male only
Enrollment
437 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2014 · Synced Oct 20, 2026, 3:53 PM EDT