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ClinicalTrials.gov public records Last synced Oct 8, 2026, 3:18 PM EDT

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Showing 145–168 of 414 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Prevention of HIV Infection Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Impact of an Educational HIV Prevention Intervention in Zambia

NCT03316040
View directory record Official record
Conditions
HIV/AIDS
Interventions
JIC
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
14 Years to 22 Years
Enrollment
8,270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Oct 8, 2026, 3:18 PM EDT
Completed Not applicable Interventional Results available

Come As You Are - Assessing the Efficacy of a Nurse Case Management HIV Prevention and Care Intervention Among Homeless Youth

NCT03910218
View directory record Official record
Conditions
Behavior, Risk
Interventions
NCM4HIV, Usual Care
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
16 Years to 25 Years
Enrollment
474 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Oct 8, 2026, 3:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Tenofovir Gel in Pregnancy and Lactation

NCT01136759
View directory record Official record
Conditions
HIV Infections
Interventions
Tenofovir 1% gel, Placebo gel
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
2
States / cities
Birmingham, Alabama • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 25, 2021 · Synced Oct 8, 2026, 3:18 PM EDT
Completed No phase listed Observational

A Prospective, Observational Study of Individuals Who Seroconvert While Taking Truvada® for Pre-Exposure Prophylaxis (PrEP)

NCT01902472
View directory record Official record
Conditions
HIV
Interventions
Not listed
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Foster City, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 8, 2026, 3:18 PM EDT
Completed Phase 3 Interventional

A Study of Nevirapine to Prevent HIV Transmission From Mothers to Their Infants

NCT00001135
View directory record Official record
Conditions
HIV Infections, Pregnancy
Interventions
Nevirapine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
2,009 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2001
U.S. locations
19
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 8, 2026, 3:18 PM EDT
Not listed Not applicable Interventional

Trial of Methadone Maintenance Versus Methadone Detox in Jail

NCT01874964
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Methadone Maintenance, Linkage to methadone maintenance
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Cranston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 11, 2013 · Synced Oct 8, 2026, 3:18 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

HIV/STD Risk and PrEP Implementation Messaging Among Gay, Bisexual, and Other Men Who Have Sex With Men

NCT06183502
View directory record Official record
Conditions
Sexually Transmitted Infections, Gay, Pre Exposure Prophylaxis
Interventions
Quantitative survey, HIV and STI testing, Qualitative Assessment
Behavioral · Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
675 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
3
States / cities
San Diego, California • Atlanta, Georgia • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 8, 2026, 3:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

All About Youth: Evaluation of Sexual Risk Avoidance and Risk Reduction Programs for Middle School Students

NCT00167505
View directory record Official record
Conditions
Sexually Transmitted Diseases, Pregnancy, HIV Infections
Interventions
Risk Avoidance Intervention, Risk Reduction Intervention
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
11 Years to 16 Years
Enrollment
1,742 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 26, 2010 · Synced Oct 8, 2026, 3:18 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of Lenacapavir as a Once-Yearly Injection for HIV Pre-exposure Prophylaxis (PrEP)

NCT07047716
View directory record Official record
Conditions
HIV Pre-exposure Prophylaxis
Interventions
Lenacapavir Injection, Lenacapavir Tablet
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
16 Years and older
Enrollment
339 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
31
States / cities
Birmingham, Alabama • Los Angeles, California • Palm Springs, California + 21 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 8, 2026, 3:18 PM EDT
Completed No phase listed Observational

A Comparison of Two Caloric Supplements in the Prevention of Weight Loss in Patients With AIDS Who Take Daily Multivitamin and Mineral Supplements

NCT00001077
View directory record Official record
Conditions
HIV Infections, HIV Wasting Syndrome
Interventions
Multivitamin and mineral supplements, Peptamen, NuBasics
Dietary Supplement
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
536 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 1998
U.S. locations
17
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2013 · Synced Oct 8, 2026, 3:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Trial of the Safety and Immunogenicity of an Oral, Replicating Ad26 Vectored HIV-1 Vaccine

NCT02366013
View directory record Official record
Conditions
HIV
Interventions
rcAd26.MOS1.HIV-Env 1x10^8 vp, rcAd26.MOS1.HIV-Env 1x10^9 vp, rcAd26.MOS1.HIV-Env 1x10^10 vp, rcAd26.MOS1.HIV-Env 1x10^11 vp
Biological
Lead sponsor
International AIDS Vaccine Initiative
Network
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 21, 2016 · Synced Oct 8, 2026, 3:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Papuan Indigenous Model of Male Circumcision

NCT06212531
View directory record Official record
Conditions
HIV Infections
Interventions
Medical male circumcision using standard surgical technique.
Procedure
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
15 Years to 70 Years
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 19, 2024 · Synced Oct 8, 2026, 3:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Theory Based HIV Prevention Video For Rapid HIV Testing: A Randomized Trial

NCT00250549
View directory record Official record
Conditions
HIV
Interventions
Post test video
Behavioral
Lead sponsor
North Bronx Healthcare Network
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Oct 8, 2026, 3:18 PM 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 27, 2025 · Synced Oct 8, 2026, 3:18 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Medical Mistrust Among Hispanic/Latino Gay, Bisexual and Other Men Who Have Sex With Men (HLMSM)

NCT06132672
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Navigators (peer navigator) training, delayed-intervention
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Male only
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 8, 2026, 3:18 PM 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 8, 2026, 3:18 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of an HIV Prevention Program That Targets the Inner Workings of High-risk Social Networks

NCT00705705
View directory record Official record
Conditions
HIV Infections
Interventions
Network leader training, Standard HIV risk-reduction counseling
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
852 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 11, 2011 · Synced Oct 8, 2026, 3:18 PM EDT
Completed Phase 4 Interventional Results available

A Demonstration Project to Add Pre- or Post-exposure Prophylaxis to Combination HIV Prevention Services

NCT01781806
View directory record Official record
Conditions
HIV Prevention
Interventions
emtricitabine 200mg/tenofovir 300mg
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2018 · Synced Oct 8, 2026, 3:18 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 8, 2026, 3:18 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Evaluation of a New HIV Prevention Intervention for Black Bisexually-active Men

NCT01347164
View directory record Official record
Conditions
Bisexually-active Men, at Risk for HIV
Interventions
RISE life coaching intervention, HIV Counseling
Behavioral
Lead sponsor
Public Health Management Corporation
Other
Eligibility
18 Years and older · Male only
Enrollment
169 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Oct 8, 2026, 3:18 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 8, 2026, 3:18 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Scalable Interventions to Increase PrEP Adherence: Value Affirmation and Future Selves

NCT03278990
View directory record Official record
Conditions
HIV Prevention
Interventions
Value Affirmation and Future Selves Combination, Control writing exercise
Behavioral
Lead sponsor
Stuart Fisk
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 11, 2021 · Synced Oct 8, 2026, 3:18 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Prevention and Treatment of Patient Before, During, and After Covid-19 Infection

NCT05043324
View directory record Official record
Conditions
Covid19
Interventions
AntiCov-220, AntiCov-220 (placebo)
Drug
Lead sponsor
Nguyen Thi Trieu, MD
Individual
Eligibility
16 Years to 82 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 8, 2026, 3:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Juntas Adelante: A Peer-Coaching Intervention to Promote Chemoprophylaxis for HIV Prevention Among Latina Transgender Women in the Washington DC Metropolitan Area.

NCT07808541
View directory record Official record
Conditions
Prevention of HIV Infection, STI Prevention
Interventions
Juntas Adelante: A Peer coaching Intervention to Promote Chemoprophylaxis for HIV Prevention among Latina Transgender Women in the Washington DC Metropolitan Area.
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older · Male only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 8, 2026, 3:18 PM EDT