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ClinicalTrials.gov public records Last synced Nov 3, 2026, 3:47 PM EST

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Showing 217–240 of 1,279 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Infection Prophylaxis Clear all
Completed Phase 2 Interventional

Study to Improve Partner Services for STD Prevention

NCT00207467
View directory record Official record
Conditions
Trichomonas Vaginalis, Urethritis
Interventions
Patient-delivered partner treatment, Booklet-enhanced partner referral
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
16 Years to 44 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 21, 2005 · Synced Nov 3, 2026, 3:47 PM EST
Completed Phase 2 Interventional Results available

LSALT Peptide vs. Placebo to Prevent ARDS and Acute Kidney Injury in Patients Infected With SARS-CoV-2 (COVID-19)

NCT04402957
View directory record Official record
Conditions
COVID, Severe Acute Respiratory Syndrome, Sars-CoV2, Acute Kidney Injury, Acute Respiratory Distress Syndrome
Interventions
LSALT peptide, Placebo
Drug
Lead sponsor
Arch Biopartners Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
3
States / cities
San Diego, California • Fort Lauderdale, Florida • Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Nov 3, 2026, 3:47 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Trial to Evaluate L9LS in Healthy Adults

NCT05019729
View directory record Official record
Conditions
Malaria
Interventions
VRC-MALMAB0114-00-AB, Plasmodium falciparum (P. falciparum) sporozoite challenge
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Nov 3, 2026, 3:47 PM EST
Completed Phase 3 Interventional

Comparing the Effectiveness of Fluconazole and a New Medicine (FK463) in Preventing Fungal Infections in Bone Marrow Transplant Patients

NCT00001937
View directory record Official record
Conditions
Aspergillosis, Candidiasis, Fungemia, Mycoses
Interventions
FK463, Fluconazole
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Nov 3, 2026, 3:47 PM EST
Completed Phase 4 Interventional

Effectiveness of Integrating Prenatal Care in Reducing HIV/STDs Among Young Pregnant Women

NCT00628771
View directory record Official record
Conditions
Pregnancy, HIV Infections, Sexually Transmitted Diseases
Interventions
CenteringPregnancy Plus (CP+), Usual care
Behavioral
Lead sponsor
Yale University
Other
Eligibility
14 Years to 21 Years · Female only
Enrollment
1,233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
3
States / cities
New Haven, Connecticut • Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 3, 2020 · Synced Nov 3, 2026, 3:47 PM EST
Completed Phase 4 Interventional Accepts healthy volunteers

Hepatitis B Vaccination Through Syringe Exchange Programs: A Randomized, Controlled Trial of Vaccination Schedules

NCT01259453
View directory record Official record
Conditions
Hepatitis B
Interventions
Vaccination to prevent hepatitis B virus infection
Biological
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
3
States / cities
Hartford, Connecticut • Chicago, Illinois • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 14, 2010 · Synced Nov 3, 2026, 3:47 PM EST
Completed Phase 2 Interventional Accepts healthy volunteers

A Randomized Controlled Trial of the Bruthas Project

NCT01270230
View directory record Official record
Conditions
HIV Infection
Interventions
Bruthas Project, Standard HIV Testing and Counseling
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Nov 3, 2026, 3:47 PM EST
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

NOTRE: Optimizing Long-Acting Pre-Exposure Prophylaxis and Medications for Opioid Use Disorder Interventions in Carceral Settings

NCT06854029
View directory record Official record
Conditions
HIV Infections, Opioid Use Disorder, Incarceration; Lens
Interventions
Cabotegravir Injection, Cabotegravir Pill, Buprenorphine injection, Buprenorphine Pill
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Nov 3, 2026, 3:47 PM EST
Completed Not applicable Interventional

Distress Tolerance and HIV Prevention With XR-NTX Initiation in Opioid Dependence

NCT02602795
View directory record Official record
Conditions
Opiate Dependence, Sexually Transmitted Diseases, HIV
Interventions
Acceptance and Commitment Therapy, Information Motivation Behavioral Model
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 29, 2018 · Synced Nov 3, 2026, 3:47 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Antimicrobial Activity of IV Clear™ Dressing - Prevention of Antimicrobial Regrowth

NCT01368120
View directory record Official record
Conditions
Skin Flora Infection
Interventions
IV Clear™ Dressing, Tegaderm CHG™, Silicone Vehicle Control Dressing
Device
Lead sponsor
Covalon Technologies Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Miamiville, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 16, 2015 · Synced Nov 3, 2026, 3:47 PM EST
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 Nov 3, 2026, 3:47 PM EST
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Evaluation of Many Men, Many Voices, An STD/HIV Prevention Intervention for Black MSM

NCT00137631
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Many Men, Many Voices (3MV)
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Male only
Enrollment
341 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2010 · Synced Nov 3, 2026, 3:47 PM EST
Not yet recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Safety and Efficacy of Intracameral Zimoxin for Prevention of Endophthalmitis After Cataract Surgery

NCT03244072
View directory record Official record
Conditions
Endophthalmitis
Interventions
Moxifloxacin, Placebo
Drug
Lead sponsor
Jason Ahee, M.D.
Industry
Eligibility
40 Years and older
Enrollment
60,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2031
U.S. locations
1
States / cities
St. George, Utah
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Nov 3, 2026, 3:47 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Intrapartum Vancomycin for Group B Streptococcus (GBS) Prophylaxis

NCT02143154
View directory record Official record
Conditions
GBS Positive, Women in Labor Given Vancomycin for Prophylaxis
Interventions
Not listed
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years to 48 Years · Female only
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 4, 2018 · Synced Nov 3, 2026, 3:47 PM EST
Not listed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and Pharmacokinetics of Q-Griffithsin Intranasal Spray

NCT05437029
View directory record Official record
Conditions
COVID-19 Prevention
Interventions
Q-Griffithsin 3.0, Q-Griffithsin 6.0
Drug
Lead sponsor
Kenneth Palmer
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 5, 2022 · Synced Nov 3, 2026, 3:47 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to an Adenoviral HIV-1 Vaccine in Healthy Adults

NCT00618605
View directory record Official record
Conditions
HIV Infections
Interventions
Ad26.ENVA.01 HIV-1 vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Nov 3, 2026, 3:47 PM EST
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers Results available

Pre-Exposure Prophylaxis Study of Lenacapavir in Cisgender Men, Transgender Women, Transgender Men, and Gender Nonbinary People at Risk for HIV Infection

NCT04925752
View directory record Official record
Conditions
Pre-Exposure Prophylaxis of HIV Infection
Interventions
Oral Lenacapavir (LEN), F/TDF, Sub-cutaneous (SC) Lenacapavir (LEN), Placebo SC LEN, PTM F/TDF, PTM Oral LEN, F/TAF (for US participants only)
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
16 Years and older
Enrollment
3,292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
60
States / cities
Birmingham, Alabama • Loma Linda, California • Los Angeles, California + 43 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Nov 3, 2026, 3:47 PM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Randomized, Double-Blind, Single Center, Efficacy and Safety Study of Allogeneic HB-adMSCs Against COVID-19.

NCT04348435
View directory record Official record
Conditions
COVID-19
Interventions
HB-adMSCs, Placebos
Biological · Other
Lead sponsor
Hope Biosciences Research Foundation
Industry
Eligibility
Not listed
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Sugar Land, Texas
Source: ClinicalTrials.gov public record
Updated Sep 26, 2025 · Synced Nov 3, 2026, 3:47 PM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

HIV Oral Testing Infographic Experiment

NCT04061915
View directory record Official record
Conditions
HIV/AIDS
Interventions
Infographic Intervention, Paper-based HIV self-testing information
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
322 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 27, 2022 · Synced Nov 3, 2026, 3:47 PM EST
Active, not recruiting Phase 2 Interventional

Autologous Fecal Microbiota Transplantation (Auto-FMT) for Prophylaxis of Clostridium Difficile Infection in Recipients of Allogeneic Hematopoietic Stem Cell Transplantation

NCT02269150
View directory record Official record
Conditions
Allogeneic Hematopoietic Stem Cell
Interventions
fecal microbiota transplantation (FMT), No fecal microbiota transplantation (FMT), routine management
Biological · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Nov 3, 2026, 3:47 PM EST
Completed Not applicable Interventional

A Web-based Intervention Study to Reduce High-risk Sexual Behavior by Persons Living With HIV AIDS (PLWH)

NCT01198418
View directory record Official record
Conditions
Sexually Transmitted Infections, HIV Infections
Interventions
Experimental
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Male only
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
3
States / cities
Los Angeles, California • San Diego, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Nov 3, 2026, 3:47 PM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Developing a Dyadic Intervention for Sexually Transmitted Infection (STI)/HIV Prevention in Youth

NCT03275168
View directory record Official record
Conditions
Exposure to Sexually Transmissible Disorder (Event)
Interventions
Intervention, Individual evidence-based STI/HIV prevention intervention
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
16 Years to 30 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Nov 3, 2026, 3:47 PM EST
Terminated Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Immunogenicity of a Live Attenuated Virus Vaccine to Prevent Influenza H3N2v Disease

NCT02883426
View directory record Official record
Conditions
Influenza
Interventions
H3N2v MN 2010/AA ca live attenuated influenza vaccine (LAIV), H3N2v inactivated subvirion influenza vaccine, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Years to 26 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 3, 2018 · Synced Nov 3, 2026, 3:47 PM EST
Completed Not applicable Interventional

Improving Adherence to Rabies PEP Guideline Recommendations

NCT04213950
View directory record Official record
Conditions
Rabies, Rabies Human, Rabies Virus Infection
Interventions
Rabies PEP quality improvement bundle
Other
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
Not listed
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
15
States / cities
Baytown, Texas • Cypress, Texas • Houston, Texas + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2021 · Synced Nov 3, 2026, 3:47 PM EST