Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 26, 2026, 3:48 PM EDT

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Showing 1–24 of 2,349 matching trials from the live ClinicalTrials.gov search.
Conditions
Coronavirus Infection, Disease Prevention
Interventions
Assembled mask
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Conditions
Identify the Viral Epitopes of Memory CD8 T Cells From Individuals That Have Recovered From SARS-CoV-2 Infection, Determine Which SARS-CoV-2 Proteins Are Frequently Recognized by T Cells in Patients With Varying HLA Types
Interventions
Not listed
Lead sponsor
TScan Therapeutics, Inc.
Industry
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
New Orleans, Louisiana • Morristown, New Jersey
Conditions
COVID-19
Interventions
Phlebotomy
Diagnostic Test
Lead sponsor
LifeBridge Health
Other
Eligibility
3 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
COVID-19, SARS-CoV-2
Interventions
Azithromycin, Placebos
Drug
Lead sponsor
Thomas M. Lietman
Other
Eligibility
18 Years and older
Enrollment
263 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

A Faithful Response to COVID-19 Project

NCT04978207
Conditions
A Multilevel, Tailored COVID-19 Testing Condition, A Nontailored COVID-19 Testing Control Condition
Interventions
A Faithful Response to COVID-19
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years and older
Enrollment
1,013 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
10
States / cities
Independence, Missouri • Kansas City, Missouri
Conditions
Covid19
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
COVID-19
Interventions
Biological: COVID-19 convalescent plasma
Biological
Lead sponsor
Nakhle Saba, MD
Other
Eligibility
18 Years and older
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Covid19
Interventions
ANNE One
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
324 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Vaccine Confidence Among Pregnant Women and Mothers

NCT04694664
Conditions
Pregnancy Related, Mothers
Interventions
This is an online survey with no intervention.
Other
Lead sponsor
Pregistry
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
18,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Disabilities Multiple
Interventions
ENGAGE
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 3 Interventional Results available

Homeopathic Treatment of Post-acute COVID-19 Syndrome

NCT05104749
Conditions
Post-acute Covid-19 Syndrome
Interventions
Homeopathic Medication, Placebo
Drug · Other
Lead sponsor
Southwest College of Naturopathic Medicine
Other
Eligibility
18 Years to 64 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tempe, Arizona
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of 20vPnC When Coadministered With a Booster Dose of BNT162b2

NCT04887948
Conditions
Pneumococcal Disease, COVID-19, SARS-CoV-2 Infection
Interventions
20-valent pneumococcal conjugate vaccine (20vPnC), BNT162b2, Saline
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
570 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
27
States / cities
Anaheim, California • Walnut Creek, California • Coral Gables, Florida + 21 more
Conditions
Dysosmia, Anosmia, Covid19
Interventions
Smell Retraining, Budesonide
Other · Drug
Lead sponsor
Amanda Stapleton
Other
Eligibility
6 Years to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
SARS-CoV-2 Infection, Acute Kidney Injury
Interventions
Placebo, Nicotinamide riboside
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
New York, New York • San Antonio, Texas • Seattle, Washington
Conditions
SARS-CoV-2, Influenza
Interventions
mRNA-1073, mRNA-1010, mRNA-1273, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
14
States / cities
Hollywood, Florida • Peoria, Illinois • Sioux City, Iowa + 9 more
Conditions
COVID-19, COVID-19 Immunisation
Interventions
mRNA-1273, mRNA-1273.351
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
4
States / cities
Decatur, Georgia • Cincinnati, Ohio • Nashville, Tennessee + 1 more
Conditions
COVID-19
Interventions
Self-prone position recommendation, Usual care
Other
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
12
States / cities
Long Beach, California • San Diego, California • Denver, Colorado + 9 more
Conditions
SARS-CoV-2, COVID-19
Interventions
EVUSHELD
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years and older
Enrollment
4,232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
COVID-19
Interventions
Convalescent Plasma
Biological
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Hackensack, New Jersey
Conditions
Covid19
Interventions
Pulmozyme/ Recombinant human deoxyribonuclease (rh-DNase), 0.9%sodium chloride
Drug
Lead sponsor
Jon Simmons
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Mobile, Alabama
Completed Not applicable Interventional Accepts healthy volunteers

Discussing COVID-19 Vaccines in Private Facebook Groups

NCT05422898
Conditions
COVID-19
Interventions
Gist messages on COVID-19 vaccination, COVID-19 vaccine information
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
COVID-19, Coronavirus Infection, Sars-CoV2, Corona Virus Infection, COVID, Coronavirus, Coronavirus-19, Coronavirus 19
Interventions
Hydroxychloroquine, Vitamin C, Vitamin D, Zinc
Drug · Dietary Supplement
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
254 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ventura, California
Terminated Not applicable Interventional Accepts healthy volunteers

Pilot Study for PET/MR Imaging of Covid-19

NCT04954248
Conditions
Brain Diseases, Covid19
Interventions
Injected radiotracer with PET Insert
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
21 Years and older
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Palo Alto, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Long-term COVID and Rehabilitation

NCT05373043
Conditions
Long-COVID
Interventions
Mitoquinone, Placebo
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah