Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 14, 2026, 12:17 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 337–360 of 3,924 matching trials from the live ClinicalTrials.gov search.
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Two Doses of H5N1 Influenza Vaccine in Healthy Adults

NCT01776541
Conditions
Pandemic H5N1 Influenza
Interventions
Adjuvanted H5N1 pandemic influenza vaccine
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
18 Years to 64 Years
Enrollment
979 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
4
States / cities
Miami, Florida • St Louis, Missouri • Austin, Texas
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Modified mRNA Vaccines in Healthy Adults

NCT05397223
Conditions
SARS-CoV-2, Seasonal Influenza, Respiratory Syncytial Virus, Cytomegalovirus
Interventions
mRNA-1273, mRNA-1010, mRNA-1345, FLUAD®, mRNA-1647
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
8
States / cities
Hollywood, Florida • Savannah, Georgia • Sioux City, Iowa + 4 more
Conditions
Acute Respiratory Infection, Telehealth
Interventions
Trending Feedback, Benchmark Peer Comparison Feedback, Private Commitment, Public Commitment
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
6,581 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Completed Phase 2Phase 3 Interventional Results available

VIR-7831 for the Early Treatment of COVID-19 in Outpatients

NCT04545060
Conditions
Covid19
Interventions
VIR-7831 (sotrovimab), Placebo
Biological · Drug
Lead sponsor
Vir Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,057 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
63
States / cities
Anniston, Alabama • Cullman, Alabama • Mesa, Arizona + 49 more
Conditions
COVID-19, COVID-19 Vaccines, Immunogenicity, Vaccine
Interventions
Observational
Other
Lead sponsor
Epividian
Industry
Eligibility
18 Years and older
Enrollment
825 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
SARS-CoV 2 Infection, Covid19
Interventions
SARS-CoV2 Autoantibody detection
Diagnostic Test
Lead sponsor
Namida Lab
Industry
Eligibility
18 Years to 100 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Fayetteville, Arkansas
Conditions
Pneumonia
Interventions
Procalcitonin lab test
Diagnostic Test
Lead sponsor
Corewell Health South
Other
Eligibility
18 Years and older
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Saint Joseph, Michigan
Conditions
Pneumonia, Bacterial, Pneumonia Childhood, Urinary Tract Infections, Soft Tissue Infections, Skin Infections, Community-acquired Pneumonia
Interventions
Discharge antibiotic stewardship intervention
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
28 Days to 18 Years
Enrollment
1,131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
5
States / cities
St Louis, Missouri • Philadelphia, Pennsylvania • Salt Lake City, Utah + 1 more
Not listed No phase listed Observational Accepts healthy volunteers

Maxillary Sinus Membrane Perforation Incidence During Osseodensification

NCT05954273
Conditions
Sinus Floor Augmentation, Sinus Infection
Interventions
Osseodensification crestal sinsus graft
Procedure
Lead sponsor
Versah
Industry
Eligibility
21 Years to 90 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Jackson, Michigan
Terminated No phase listed Observational Accepts healthy volunteers

Conversations You Want About Corona Virus Disease (COVID-19)

NCT05191420
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
MAC Lung Disease, Treatment Refractory MAC Lung Disease
Interventions
Epetraborole, Placebo
Drug
Lead sponsor
AN2 Therapeutics, Inc
Industry
Eligibility
18 Years and older
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
49
States / cities
Birmingham, Alabama • Tucson, Arizona • Sacramento, California + 39 more
Conditions
Cystic Fibrosis, Allergic Bronchopulmonary Aspergillosis
Interventions
cholecalciferol (Vitamin D3)
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Completed Phase 2 Interventional Results available

COVID-19 PrEP HCW HCQ Study

NCT04354870
Conditions
COVID-19
Interventions
Hydroxychloroquine (HCQ)
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Comparison of Full-dose Flu Vaccine to Half-dose Flu Vaccine

NCT00283283
Conditions
Influenza
Interventions
Fluzone® (Aventis Pasteur inactivated influenza vaccine)
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 64 Years
Enrollment
1,316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Terminated No phase listed Observational Accepts healthy volunteers

The NIH UNI Study: Urea Cycle Disorders, Nutrition and Immunity

NCT01421888
Conditions
Argininosuccinic Aciduria, Carbamoyl-Phosphate Synthase I Deficiency, Citrullinemia, Ornithine Carbamoyltransferase Deficiency, Hyperargininemia, N-Acetylglutamate Synthase Deficiency
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
2 Years to 99 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
COVID-19
Interventions
Melatonin, Placebo
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Conditions
COVID-19
Interventions
Telmisartan 40mg, Placebo
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Honolulu, Hawaii
Conditions
COVID-19, COVID-19 Immunisation
Interventions
mRNA-1273
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
3
States / cities
Decatur, Georgia • Bethesda, Maryland • Seattle, Washington
Conditions
Pneumonia
Interventions
Ketogenic feeding, Standard feeding
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Ventilator-acquired Pneumonia
Interventions
PVC ETT, PUC ETT, PUC-CASS ETT
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Influenza A Subtype H5N1 Infection
Interventions
Pandemic Influenza Vaccine, Placebo
Biological
Lead sponsor
Altimmune, Inc.
Industry
Eligibility
19 Years to 49 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
COVID19
Interventions
RTB101, Placebo
Drug
Lead sponsor
Restorbio Inc.
Industry
Eligibility
65 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Middletown, Rhode Island
Completed Phase 2 Interventional Results available

Niclosamide for Mild to Moderate COVID-19

NCT04399356
Conditions
COVID-19
Interventions
Niclosamide, Placebo, Telehealth monitoring
Drug · Other
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts