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Showing 1–24 of 1,263 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Infection Prevention Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Get Connected Efficacy Trial

NCT03132415
View directory record Official record
Conditions
HIV Infections
Interventions
Get Connected, HIV Test Locator
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
15 Years to 24 Years · Male only
Enrollment
285 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
3
States / cities
Atlanta, Georgia • Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 17, 2024 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety Tolerability and Acceptability of Long Acting Injections of the Human Immunodeficiency Virus (HIV) Integrase Inhibitor, GSK1265744, in HIV Uninfected Men (ECLAIR)

NCT02076178
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
744 Tablet, 744 LA Injection, Placebo Tablet, Placebo Injection
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
10
States / cities
San Francisco, California • Washington D.C., District of Columbia • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2017 · Synced Jul 21, 2026, 5:31 PM EDT
Withdrawn Phase 2 Interventional

Preventing Frequent Sinus Infections in HIV-Infected Patients

NCT00000752
View directory record Official record
Conditions
HIV Infections, Sinusitis
Interventions
Pseudoephedrine hydrochloride, Guaifenesin, Cefuroxime axetil, Beclomethasone dipropionate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1993
U.S. locations
10
States / cities
San Diego, California • San Francisco, California • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Maintaining HIV Prevention Gains in Female Adolescents

NCT00161343
View directory record Official record
Conditions
HIV Infection, Sexually Transmitted Diseases
Interventions
Health Improvement Project for Teens on HIV Prevention
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
15 Years to 19 Years · Female only
Enrollment
640 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 5, 2012 · Synced Jul 21, 2026, 5:31 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Vascular Surgical Antibiotic Prophylaxis Study (VSAPS 2)

NCT01612052
View directory record Official record
Conditions
MRSA - Methicillin Resistant Staphylococcus Aureus Infection
Interventions
Antibiotic Prophylaxis
Drug
Lead sponsor
CAMC Health System
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Charleston, West Virginia
Source: ClinicalTrials.gov public record
Updated Feb 19, 2013 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional

Telestroke at Comprehensive Stroke Center During the COVID-19 Pandemic

NCT04761874
View directory record Official record
Conditions
Stroke, Acute
Interventions
Telestroke
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
296 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Edina, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 21, 2021 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PC4PrEP: Integrating PrEP Into Primary Care

NCT03617874
View directory record Official record
Conditions
Human Immunodeficiency Virus Transmission
Interventions
PC4PrEP- Intervention Clinics, Standard of Care Clinics
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Jul 21, 2026, 5:31 PM EDT
Terminated Phase 3 Interventional Results available

D-PLEX 302: Efficacy and Safety of D-PLEX in the Prevention of Sternal Infection Post Cardiac Surgery

NCT03558984
View directory record Official record
Conditions
Surgical Site Infection, Sternal Infection, Cardiac Surgery
Interventions
D-PLEX, Standard of Care
Drug · Other
Lead sponsor
PolyPid Ltd.
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Rochester, Minnesota • Huston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional

Computer Assisted Rx Education for HIV-Positives: CARE+

NCT00443378
View directory record Official record
Conditions
HIV Infections, Acquired Immunodeficiency Syndrome
Interventions
CARE+
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 28, 2008 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Phase 3 Interventional Results available

Phase III Double-blind, Placebo-controlled Study of AZD7442 for Pre-exposure Prophylaxis of COVID-19 in Adult.

NCT04625725
View directory record Official record
Conditions
COVID-19
Interventions
AZD7442, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 120 Years
Enrollment
5,197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
60
States / cities
Birmingham, Alabama • Tempe, Arizona • Little Rock, Arkansas + 53 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2024 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Phase 3 Interventional Results available

Extension of Letermovir (LET) From Day 100 to Day 200 Post-transplant for the Prevention of Cytomegalovirus (CMV) Infection in Hematopoietic Stem Cell Transplant (HSCT) Participants (MK-8228-040)

NCT03930615
View directory record Official record
Conditions
Cytomegalovirus Infection
Interventions
Letermovir, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
10
States / cities
Duarte, California • Sacramento, California • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Three Arm Trial of Immune Effects of Echinacea

NCT01129128
View directory record Official record
Conditions
Upper Respiratory Tract Infections
Interventions
Echinacea purpurea product, Placebo
Biological
Lead sponsor
University of Washington
Other
Eligibility
21 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Kenmore, Washington
Source: ClinicalTrials.gov public record
Updated Jun 20, 2012 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-Drug Interaction Study of MK 8527 With a Combined Oral Contraceptive (LNG/EE)

NCT06783192
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV), HIV Pre-Exposure Prophylaxis
Interventions
MK-8527, LNG/EE
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 70 Years · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
South Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 19, 2025 · Synced Jul 21, 2026, 5:31 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Emtricitabine/Tenofovir Alafenamide Switch Study for Transgender Individuals for HIV Pre-exposure Prophylaxis

NCT04616963
View directory record Official record
Conditions
Hiv, Hormone Therapy
Interventions
Emtricitabine / Tenofovir Disoproxil Oral Tablet 200/300 mg, Emtricitabine Tenofovir Alafenamide 200/25 mg
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Post-Exposure Prophylaxis in Health Care Workers

NCT01234116
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
emtricitabine/tenofovir disoproxil fumarate
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of the Hepatitis B Virus (HBV) Vaccine, HEPLISAV Compared to Engerix-B Vaccine

NCT01005407
View directory record Official record
Conditions
Healthy
Interventions
HEPLISAV and/or Placebo, Engerix-B
Biological
Lead sponsor
Dynavax Technologies Corporation
Industry
Eligibility
40 Years to 70 Years
Enrollment
2,452 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
29
States / cities
Huntsville, Alabama • San Diego, California • Santa Ana, California + 26 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2019 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Internet-Based Sexual Health Education for Middle School Native American Youth

NCT01303575
View directory record Official record
Conditions
Sexually Transmitted Diseases, Pregnancy, HIV Infections
Interventions
HIV, STI and Pregnancy Prevention Curriculum, Control Curricula
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
12 Years to 14 Years
Enrollment
574 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
4
States / cities
Anchorage, Alaska • Phoenix, Arizona • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2015 · Synced Jul 21, 2026, 5:31 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Evaluating the Dose, Safety, Tolerability, and Immunogenicity of Mosaic Hexavalent Influenza Vaccine VRCFLUMOS0116-00-VP (FluMos-v2) With and Without ALFQ Adjuvant in Healthy Adults

NCT06863142
View directory record Official record
Conditions
Influenza Prevention, Seasonal Influenza
Interventions
VRC-FLUMOS0116-00-VP, ALFQ
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 21, 2026, 5:31 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Vancomycin and Daptomycin Plus Cefazolin for Preoperative Vascular Surgery Prophylaxis

NCT00967941
View directory record Official record
Conditions
MRSA Infections
Interventions
Not listed
Lead sponsor
CAMC Health System
Other
Eligibility
18 Years to 90 Years
Enrollment
169 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Charleston, West Virginia
Source: ClinicalTrials.gov public record
Updated Feb 27, 2020 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Phase 3 Interventional Results available

A Study of the Safety and Efficacy of CMX001 for the Prevention of CMV Infection in CMV-seropositive HCT Recipients

NCT01769170
View directory record Official record
Conditions
CMV
Interventions
Brincidofovir, Placebo
Drug · Other
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
452 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
39
States / cities
La Jolla, California • Los Angeles, California • Denver, Colorado + 25 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Jul 21, 2026, 5:31 PM EDT
Terminated Phase 2 Interventional Results available

Tocilizumab for Prevention of Respiratory Failure in Patients With Severe COVID-19 Infection

NCT04377659
View directory record Official record
Conditions
COVID-19
Interventions
Tocilizumab
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2025 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Phase 3 Interventional Results available

Comparison of Oral Valganciclovir and Placebo for the Prevention of Cytomegalovirus (CMV) After Lung Transplantation

NCT00227370
View directory record Official record
Conditions
Cytomegalovirus Infections
Interventions
valganciclovir, Placebo
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy Trial of Life Simulation Game to Routinize Adolescent HIV Testing

NCT04917575
View directory record Official record
Conditions
Hiv
Interventions
Mobile Game, Mobile Application
Other
Lead sponsor
George Washington University
Other
Eligibility
13 Years to 24 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Jul 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Results available

The Effect of Fact Versus Myth Messages on Receipt of Influenza Vaccination

NCT01009645
View directory record Official record
Conditions
Influenza Vaccination
Interventions
Fact Only Education Message, Fact and Myth Educational Message, Fact, Myth, Why Educational Message, Control Educational Message
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 29, 2023 · Synced Jul 21, 2026, 5:31 PM EDT