Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 10, 2026, 2:35 PM EDT

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Showing 73–96 of 256 matching trials from the live ClinicalTrials.gov search.
Conditions
Gonorrhea, Chlamydia, Syphilis
Interventions
Doxycycline Hyclate Delayed-Release 200 mg
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
641 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
San Francisco, California • Seattle, Washington
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Getting to Zero Among HHI MSM in the American South

NCT05075967
Conditions
HIV Infections
Interventions
Health Access Coalitions, Social Media, Peer Support, Promoting Human Autonomy Support & Empathy (PHASE)
Behavioral
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
15 Years and older · Male only
Enrollment
2,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Terminated Not applicable Interventional Accepts healthy volunteers

HIV Pre-Exposure Prophylaxis Among an Unrecognized Sexual Minority Population

NCT05815030
Conditions
Pre-Exposure Prophylaxis
Interventions
video informational/educational intervention
Other
Lead sponsor
The Alternative Sexualities Health Research Alliance
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Rio Vista, California
Conditions
HIV Infections
Interventions
APRETUDE, Cabotegravir tablet
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older · Female only
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
22
States / cities
Washington D.C., District of Columbia • Miami, Florida • Orlando, Florida + 13 more
Active, not recruiting No phase listed Observational

Infectious Disease (ID) Testing OUtreach in Carceral Hubs

NCT06679751
Conditions
HIV Infections, Opioid Use Disorder
Interventions
Not listed
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
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
Conditions
HIV/AIDS
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
807 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
HIV Infection, Sexually Transmitted Infection
Interventions
HIV PrEP - choice of F/TDF, F/TAF, or CAB-LA, STI PEP - Doxycycline as Doxy-PEP, 3P mHealth package, Handout about HIV PrEP options available at the site, Standard-of-care HIV PrEP counseling from qualified study staff
Drug · Behavioral
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
18 Years to 29 Years · Male only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
Los Angeles, California • The Bronx, New York
Conditions
HIV Infection
Interventions
dolutegravir, lamivudine, Continue current antiretroviral regimen
Drug
Lead sponsor
Babafemi Taiwo
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
7
States / cities
San Diego, California • Atlanta, Georgia • Chicago, Illinois + 4 more
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
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

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

NCT03652623
Conditions
HIV/AIDS, Gender, Behavior and Behavior Mechanisms
Interventions
TDF/FTC
Drug
Lead sponsor
Hektoen Institute for Medical Research
Other
Eligibility
15 Years to 24 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Completed Phase 4 Interventional Accepts healthy volunteers Results available

HIV Non-Occupational Post-Exposure Prophylaxis

NCT01855867
Conditions
Human Immunodeficiency Virus
Interventions
Single Dose Elivitegravir (150mg), Combicistat (150mg), Emtricitabine (200mg), Tenofovir DF (300mg)
Drug
Lead sponsor
Kenneth H. Mayer, MD
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
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
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
Conditions
HIV Prevention, HIV Infections
Interventions
tenofovir + emtricitabine, lopinavir/ritonavir
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Los Angeles, California
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Pre-exposure Prophylaxis (PrEP) Adherence for Black MSM

NCT06661343
Conditions
HIV Prevention
Interventions
C4 Program, C4 + 3MV Program
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Male only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
2
States / cities
New York, New York • Dallas, Texas
Conditions
Early-phase Safety and PK Study of a Vaginal Gel
Interventions
YASO GEL, Placebo gel
Drug
Lead sponsor
Yaso Therapeutics Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
HIV Infections, Domestic Violence
Interventions
Trauma-Informed Toolkit
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
HIV Prevention
Interventions
Gain framing plus demographically targeted photos, Loss framing plus demographically targeted photos, Gain framing plus not demographically targeted photos, Loss framing plus not demographically targeted photos
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pre-exposure Prophylaxis Implementation in Central-Eastern European Countries

NCT05323123
Conditions
Human Immunodeficiency Virus
Interventions
SPARK, HealthMpowerment, PrEP Education
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
HIV Infections, Pregnancy
Interventions
Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day to 60 Years
Enrollment
1,496 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1994
U.S. locations
58
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 32 more
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Naltrexone for Overdose Prevention

NCT06633900
Conditions
Overdose Accidental
Interventions
IM naltrexone, Usual Care
Drug · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

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

NCT07047716
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
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing HIV PrEP Through Shared Decision Making

NCT03019770
Conditions
Pre-Exposure Prophylaxis
Interventions
PrEP Decision Aid
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Boston, Massachusetts