Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 13, 2026, 9:12 PM EDT

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

Showing 289–312 of 1,233 matching trials from the live ClinicalTrials.gov search.
Conditions
SARS-CoV-2
Interventions
mRNA-1273, Placebo, mRNA-1273.214
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
6 Months to 11 Years
Enrollment
11,942 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
83
States / cities
Birmingham, Alabama • Phoenix, Arizona • Anaheim, California + 68 more
Conditions
Immunodeficiency, Immunosuppression, HIV Infections, Graft Versus Host Disease, Leukemia, Lymphoma, Cancer, Multiple Myeloma, Transplant, Age-Related Immunodeficiency
Interventions
Access to Cue Health COVID-19 Remote testing and treatment for COVID-19
Other
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
2,117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
La Jolla, California
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Evaluating the Effects of a Fermented Diet on Microbiome Diversity in Individuals With Long COVID

NCT06560554
Conditions
Long COVID
Interventions
Fermented foods, Control
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Vaccine Responses to SARS-CoV-2 and Other Emerging Infectious Diseases

NCT05078905
Conditions
COVID-19, Vaccination, Healthy Volunteer
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2050
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Phase 3 Interventional Results available

Adaptive COVID-19 Treatment Trial (ACTT)

NCT04280705
Conditions
COVID-19
Interventions
Placebo, Remdesivir
Other · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
1,062 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
41
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 35 more
Conditions
COVID-19
Interventions
AZD7442, Placebo, Remdesivir
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
1,455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
88
States / cities
Tucson, Arizona • Chula Vista, California • Fresno, California + 59 more
Completed No phase listed Observational Accepts healthy volunteers Results available

You and Me COVID Free

NCT05212883
Conditions
COVID-19
Interventions
Behavioral questionaires
Behavioral
Lead sponsor
Duke University
Other
Eligibility
12 Years and older
Enrollment
2,778 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Merced, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low vs. Moderate to High Dose Vitamin D for Prevention of COVID-19

NCT04868903
Conditions
SARS-CoV-2 Infection
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
1,475 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
Chicago, Illinois
Conditions
Coronavirus, COVID, ARDS, Cytokine Storm, Cytokine Release Syndrome
Interventions
SNDX-6352, Placebo
Drug
Lead sponsor
Syndax Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Scottsdale, Arizona • The Bronx, New York
Conditions
COVID-19
Interventions
Convalescent plasma
Biological
Lead sponsor
Hamilton Health Sciences Corporation
Other
Eligibility
16 Years and older
Enrollment
940 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Brooklyn, New York • New York, New York
Conditions
COVID-19, SARS-CoV-2
Interventions
AZD1222, Placebo
Biological
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
32,450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
78
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 66 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Culturally-Targeted COVID-19 Communication and SARS-CoV-2 Antibody Testing Evaluation and Uptake

NCT04957082
Conditions
SARS-CoV2 Infection
Interventions
Culturally Targeted SARS-CoV-2 Communication, General SARS-CoV-2 Communication
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
18 Years and older
Enrollment
666 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Flint, Michigan
Terminated No phase listed Observational Accepts healthy volunteers

Sensitivity of Frequent SARS-CoV-2 (COVID-19) Rapid Antigen Testing Regimen

NCT04805840
Conditions
Covid19
Interventions
CoV-SCAN rapid COVID-19 antigen test
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reopening Schools Safely and Educating Youth Research- Early Learning Ancillary Study

NCT05965323
Conditions
Absenteeism
Interventions
Health Education
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
3 Years to 5 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Systemic Inflammation, Neuroinflammation, Microvascular Thrombosis
Interventions
IV normal saline, IV immunoglobulin
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 100 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
COVID-19
Interventions
Aluminum Hydroxide Suspension, Boost-2867, CpG 7909, Sodium Chloride, 0.9%
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
8
States / cities
San Francisco, California • Baltimore, Maryland • St Louis, Missouri + 5 more
Conditions
COVID-19, Coronavirus, SARS-CoV-2
Interventions
pathogen reduced SARS-CoV-2 convalescent plasma, Placebo
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
974 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
26
States / cities
Little Rock, Arkansas • La Jolla, California • Aurora, Colorado + 22 more
Completed No phase listed Observational Accepts healthy volunteers Results available

COVID-19 Antibody and Reinfection Study

NCT05365750
Conditions
COVID-19 Testing
Interventions
Not listed
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
4,235 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
COVID-19 Infection, Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Questionnaire Administration, Sotrovimab, Biospecimen Collection
Other · Biological · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Pulmonary Embolism, COVID
Interventions
TNKase, Placebo, Enoxaparin
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Solid Tumor Malignancy, Hematologic Malignancy, Leukemia, Lymphoma, Multiple Myeloma
Interventions
Messenger ribonucleic acid (mRNA)-1273 Vaccine, Messenger ribonucleic acid (mRNA)-1273 Vaccine Booster, ECG, Antibiotics, Anti-viral agents, Anti-fungal agent, Anti-emetics
Biological · Diagnostic Test · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Coronavirus Infection, Type 2 Diabetes
Interventions
Linagliptin, Insulin regimen
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Miami, Florida
Conditions
Covid19
Interventions
OL-1, standard dose, OL-1, high dose, Placebo
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 60 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Covid19
Interventions
Niclosamide, Placebo
Drug
Lead sponsor
Entero Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
13
States / cities
Birmingham, Alabama • DeLand, Florida • Hialeah, Florida + 7 more