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ClinicalTrials.gov public records Last synced Oct 17, 2026, 8:18 PM EDT

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Showing 817–840 of 2,013 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Nidovirales Infections Clear all
Terminated Phase 1 Interventional

Recombinant Hyperimmune Polyclonal Antibody (GIGA-2050) in COVID-19 Patients

NCT04883138
View directory record Official record
Conditions
COVID-19
Interventions
GIGA-2050
Drug
Lead sponsor
GigaGen, Inc.
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Oct 17, 2026, 8:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Pediatric COVID-19 Vaccine Uptake Using an mHealth Tool

NCT05386355
View directory record Official record
Conditions
COVID-19 Vaccines, Telemedicine, Vaccine Hesitancy, Pediatric ALL
Interventions
COVID-19 Vaccine Uptake App, General Health App
Behavioral · Other
Lead sponsor
IDeA States Pediatric Clinical Trials Network
Network
Eligibility
18 Years and older
Enrollment
1,934 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
15
States / cities
Little Rock, Arkansas • Wilmington, Delaware • Honolulu, Hawaii + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2025 · Synced Oct 17, 2026, 8:18 PM EDT
Completed No phase listed Observational

COVID-19 Risk Stratification

NCT04339387
View directory record Official record
Conditions
Coronavirus, Coronavirus Sars-Associated as Cause of Disease Classified Elsewhere
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
1,326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 30, 2020 · Synced Oct 17, 2026, 8:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Efficacy and Safety of COVID-19 Vaccine in Cancer Patients

NCT04865133
View directory record Official record
Conditions
COVID-19 Infection, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Oct 17, 2026, 8:18 PM EDT
Withdrawn Phase 1 Interventional

Mesenchymal Stromal Cells for COVID-19 and Viral Pneumonias

NCT05286255
View directory record Official record
Conditions
COVID-19 Pneumonia, Viral Pneumonia
Interventions
Allogeneic Mesenchymal Stromal Cells
Biological
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Oct 17, 2026, 8:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Text-based Interventions to Promote COVID-19 Vaccinations

NCT04800965
View directory record Official record
Conditions
Covid19, Vaccines
Interventions
Patient MyChart Scheduling Link, Patient Educational Video, Enhanced Follow through Message
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Westwood, Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 13, 2022 · Synced Oct 17, 2026, 8:18 PM EDT
Completed No phase listed Observational

Risks of COVID19 in the Pregnant Population

NCT04379284
View directory record Official record
Conditions
COVID19
Interventions
Biospecimen collection
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 22, 2021 · Synced Oct 17, 2026, 8:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Online Games to Help Canadian and U.S. Adults Identify COVID-19 and Vaccine Misinformation: Three Sequential Randomized Studies

NCT07758309
View directory record Official record
Conditions
COVID-19, Vaccine Hesitancy, Health Misinformation, Communication
Interventions
Gamified misinformation refutation quiz, Refutational text (active control)
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
3,637 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 17, 2026, 8:18 PM EDT
Completed No phase listed Observational Results available

A US Study to Look at Loss of Work and Healthcare Costs for People Affected With Mild-to-moderate COVID 19 Who Have High Chances of the Disease Becoming Severe

NCT07072793
View directory record Official record
Conditions
COVID-19 (Coronavirus Disease 2019)
Interventions
nirmatrelvir-ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
131,005 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 17, 2026, 8:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

COVID-19 Vaccine Uptake Trial

NCT05419232
View directory record Official record
Conditions
Vaccination Refusal, COVID-19
Interventions
Short Message Service (SMS) + Website Link Strategy, Phone Call with Peer Strategy
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Not listed
Enrollment
262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
8
States / cities
Hazelwood, Missouri • Jennings, Missouri • Saint Ann, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 17, 2026, 8:18 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Trial of Hydroxychloroquine In Covid-19 Kinetics

NCT04353271
View directory record Official record
Conditions
Covid 19, Corona Virus Infection
Interventions
Hydroxychloroquine, Placebo
Drug · Other
Lead sponsor
University of South Alabama
Other
Eligibility
19 Years to 85 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Mobile, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced Oct 17, 2026, 8:18 PM EDT
Completed No phase listed Observational

Treatment Outcomes in PASC Patients With Neurocognitive Impairment

NCT07090564
View directory record Official record
Conditions
Long COVID
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 17, 2026, 8:18 PM EDT
Not listed Phase 2 Interventional

IRAK 4 Inhibitor (PF-06650833) in Hospitalized Patients With COVID-19 Pneumonia and Exuberant Inflammation.

NCT04933799
View directory record Official record
Conditions
COVID-19 Pneumonia
Interventions
PF-06650833, Matching Placebo
Drug
Lead sponsor
Giovanni Franchin, M.D, Ph.D
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Oct 17, 2026, 8:18 PM EDT
Terminated Not applicable Interventional

Prone Positioning in Awake Patients With COVID-19 Requiring Hospitalization

NCT04368000
View directory record Official record
Conditions
Respiratory Failure, COVID-19
Interventions
Intermittent prone positioning instructions, Usual care positioning with no instructions
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 17, 2026, 8:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Topical Antibacterial Agents for Prevention of COVID-19

NCT05449392
View directory record Official record
Conditions
COVID-19, SARS-CoV2 Infection
Interventions
Neosporin, Vaseline
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Oct 17, 2026, 8:18 PM EDT
Terminated Phase 2 Interventional

Thymalfasin (Thymosin Alpha 1) to Treat COVID-19 Infection

NCT04487444
View directory record Official record
Conditions
Covid19
Interventions
Thymalfasin
Drug
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced Oct 17, 2026, 8:18 PM EDT
Completed Not applicable Interventional Results available

The Respiratory Protection Effectiveness Clinical Trial

NCT01249625
View directory record Official record
Conditions
Influenza, Respiratory Syncytial Viruses, Paramyxoviridae Infections, Coronavirus, Rhinovirus
Interventions
N95 Respirator, Medical/surgical mask
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
2,862 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
7
States / cities
Aurora, Colorado • Denver, Colorado • Washington D.C., District of Columbia + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2019 · Synced Oct 17, 2026, 8:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COVID-19 Preventive Behavior in African Americans

NCT04700462
View directory record Official record
Conditions
Covid19, Health Behavior
Interventions
Sm-EMA
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
60 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 17, 2026, 8:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Rapid Acceleration for Diagnostics in Underserved Populations: Home Testing

NCT04949243
View directory record Official record
Conditions
COVID-19
Interventions
Behavioral questionaires
Behavioral
Lead sponsor
Duke University
Other
Eligibility
8 Years and older
Enrollment
338 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
2
States / cities
Greenville, North Carolina • Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 22, 2023 · Synced Oct 17, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Effects of Immulina TM Supplements With PASC Patients

NCT05524532
View directory record Official record
Conditions
Post Acute COVID-19 Syndrome
Interventions
Immulina TM, Placebo
Drug · Dietary Supplement
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 99 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
8
States / cities
Honolulu, Hawaii • Baton Rouge, Louisiana • New Orleans, Louisiana + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 17, 2026, 8:18 PM EDT
Withdrawn Phase 3 Interventional

Tocilizumab for the Treatment of Cytokine Release Syndrome in Patients With COVID-19 (SARS-CoV-2 Infection)

NCT04361552
View directory record Official record
Conditions
Cerebrovascular Accident, Chronic Obstructive Pulmonary Disease, Chronic Renal Failure, Coronary Artery Disease, Diabetes Mellitus, Malignant Neoplasm, SARS Coronavirus 2 Infection
Interventions
Best Practice, Tocilizumab
Other · Biological
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 17, 2026, 8:18 PM EDT
Completed Not applicable Interventional

COVID-19 SAFE Enrollment

NCT04506268
View directory record Official record
Conditions
Covid19
Interventions
Opt-out Recruitment Email, Opt-in Recruitment Email
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 11, 2021 · Synced Oct 17, 2026, 8:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Understanding the Long-term Impact of COVID-19 in Adults (RECOVER)

NCT05172024
View directory record Official record
Conditions
SARS-CoV2 Infection
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
15,172 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
85
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 17, 2026, 8:18 PM EDT
Terminated Phase 2 Interventional Results available

COVID-FIS: Pilot in COVID-19 (SARS-CoV-2) of Fisetin in Older Adults in Nursing Homes

NCT04537299
View directory record Official record
Conditions
Covid19, SARS-CoV Infection
Interventions
Fisetin, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 17, 2026, 8:18 PM EDT