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ClinicalTrials.gov public records Last synced Oct 25, 2026, 5:41 AM EDT

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

Showing 721–744 of 2,054 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Coronavirus Clear all
Completed No phase listed Observational Accepts healthy volunteers

HEALthy Brain and Child Development Study - COVID-19 Supplement

NCT04713150
View directory record Official record
Conditions
Child Development, Prenatal Infection, Prenatal Stress, Covid19
Interventions
No Intervention
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
4
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 25, 2026, 5:41 AM EDT
Completed No phase listed Observational

Surfactant Protein Genetic Variants in COVID-19 Infection

NCT04650191
View directory record Official record
Conditions
Coronavirus Infection
Interventions
Identification of genetic variants
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
1 Day to 90 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Oct 25, 2026, 5:41 AM EDT
Active, not recruiting Not applicable Interventional Results available

COVID-19, Chronic Adaptation and Response to Exercise (COVID-CARE)

NCT04595773
View directory record Official record
Conditions
COVID-19
Interventions
Aerobic Exercise Training, Education
Other
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 80 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 25, 2026, 5:41 AM EDT
Completed Phase 3 Interventional Results available

ACTIV-6: COVID-19 Study of Repurposed Medications - Arm A (Ivermectin 400)

NCT05736861
View directory record Official record
Conditions
Covid19
Interventions
Ivermectin, Placebo
Drug · Other
Lead sponsor
Susanna Naggie, MD
Other
Eligibility
30 Years and older
Enrollment
1,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
87
States / cities
Gilbert, Arizona • Mesa, Arizona • Peoria, Arizona + 75 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2023 · Synced Oct 25, 2026, 5:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epidemiology, Immunology and Clinical Characteristics of COVID-19 (EPIC3)

NCT05764083
View directory record Official record
Conditions
SARS-CoV-2, COVID-19
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
2,824 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Oct 25, 2026, 5:41 AM EDT
Completed Phase 2 Interventional Results available

University of Utah COVID-19 Hydrochloroquine Trial

NCT04342169
View directory record Official record
Conditions
Coronavirus Infection, Coronavirus, Infectious Disease
Interventions
Hydroxychloroquine, Placebo oral tablet
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
368 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Oct 25, 2026, 5:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A COVID-19 Symptom, Exposure and Immune Response Registry

NCT04348942
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
ObvioHealth
Industry
Eligibility
18 Years and older
Enrollment
804 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 4, 2022 · Synced Oct 25, 2026, 5:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

SARS-CoV-2 Immune Responses After COVID-19 Therapy and Subsequent Vaccine

NCT04952402
View directory record Official record
Conditions
Covid19, SARS-CoV2 Infection
Interventions
Study-provided Moderna mRNA-1273 COVID-19 vaccine, Community-provided Moderna mRNA-1273 COVID-19 Vaccine, Community-Provided Pfizer-BioNTech BNT162b2 COVID-19 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
6
States / cities
Los Angeles, California • San Diego, California • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Oct 25, 2026, 5:41 AM EDT
Completed Not applicable Interventional

Home Pulse Oximeter Use in Patients With COVID-19

NCT04373161
View directory record Official record
Conditions
Sars-CoV2, COVID-19, COVID
Interventions
Home Pulse Oximetry Monitoring
Device
Lead sponsor
Swedish Hospital
Other
Eligibility
18 Years and older
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 6, 2020 · Synced Oct 25, 2026, 5:41 AM EDT
Completed No phase listed Observational

Patients' Preferences About Rescheduling Colonoscopies Delayed Due to COVID-19: Cross Sectional Study

NCT04432870
View directory record Official record
Conditions
Colon Cancer
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years to 75 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 1, 2021 · Synced Oct 25, 2026, 5:41 AM EDT
Completed Phase 2 Interventional Results available

COVID-19 Study Assessing the Virologic Efficacy of REGN10933+REGN10987 Across Different Dose Regimens in Adult Outpatients With SARS-CoV-2 Infection

NCT04666441
View directory record Official record
Conditions
COVID-19
Interventions
REGN10933+REGN10987 combination therapy, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
1,149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
57
States / cities
Mesa, Arizona • Tucson, Arizona • Canoga Park, California + 48 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2022 · Synced Oct 25, 2026, 5:41 AM EDT
Completed No phase listed Observational

Northern Colorado COVID-19 Biobank

NCT04603677
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
4
States / cities
Fort Collins, Colorado • Greeley, Colorado • Loveland, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Oct 25, 2026, 5:41 AM EDT
Completed No phase listed Observational

COVID-19 Endoscopy Survey

NCT04342637
View directory record Official record
Conditions
COVID-19
Interventions
Practice details
Other
Lead sponsor
Al-Azhar University
Other
Eligibility
30 Years to 70 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Albertson, New York
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced Oct 25, 2026, 5:41 AM EDT
Completed No phase listed Observational Results available

Symptom-Based Markers for COVID-19 Transmission

NCT04665245
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 100 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Oct 25, 2026, 5:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Self-Collected Saliva Samples Without Viral Transport Media for COVID-19 Testing Via RT-PCR

NCT04604145
View directory record Official record
Conditions
SARS-CoV Infection, Polymerase Chain Reaction, Laboratory Testing
Interventions
SARS-CoV-2 testing on the Eppendorf Thermal Cycler PCR system using self-collected saliva as the specimen
Diagnostic Test
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Travis Air Force Base, California
Source: ClinicalTrials.gov public record
Updated Aug 30, 2021 · Synced Oct 25, 2026, 5:41 AM EDT
Not listed No phase listed Observational

SQuISH-COVID: A Pilot Study

NCT04372472
View directory record Official record
Conditions
Sepsis, COVID-19
Interventions
Not listed
Lead sponsor
Cytovale, Inc.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Oct 25, 2026, 5:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Post-Marketing Safety Study of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) mRNA-1273 COVID-19 Vaccine in the United States

NCT04958954
View directory record Official record
Conditions
SARS-CoV-2
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
Not listed
Enrollment
50,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Oct 25, 2026, 5:41 AM EDT
Completed Phase 2 Interventional Results available

Treatment With Investigational Convalescent Plasma and Measure Antibody Levels in Patients Hospitalized With COVID-19

NCT04434131
View directory record Official record
Conditions
COVID-19
Interventions
Convalescent Plasma
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Mar 8, 2023 · Synced Oct 25, 2026, 5:41 AM EDT
Completed Phase 2 Interventional Results available

Atovaquone for Treatment of COVID-19

NCT04456153
View directory record Official record
Conditions
COVID-19
Interventions
Experimental Group, Placebo Group
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced Oct 25, 2026, 5:41 AM EDT
Terminated Phase 2 Interventional Results available

Safety and Efficacy of Melatonin in Outpatients Infected With COVID-19

NCT04474483
View directory record Official record
Conditions
COVID-19
Interventions
Melatonin, Placebo (Methylcellulose) capsule
Drug · Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Oct 25, 2026, 5:41 AM EDT
Recruiting No phase listed Observational

Impact of COVID-19 Pandemic on Out-of-Pocket Costs, Lost Wages, and Unemployment in Patients With Breast Cancer Undergoing Breast Surgery

NCT04169542
View directory record Official record
Conditions
Breast Ductal Carcinoma In Situ, COVID-19 Infection, Hereditary Breast Carcinoma, Invasive Breast Carcinoma
Interventions
Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
4
States / cities
Conroe, Texas • Houston, Texas • League City, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 25, 2026, 5:41 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Daily Coping Toolkit for Medical Personnel and First-Responders During COVID-19 Pandemic

NCT04398277
View directory record Official record
Conditions
Psychological Stress
Interventions
Daily Coping Toolkit
Behavioral
Lead sponsor
Kent State University
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Akron, Ohio • Kent, Ohio
Source: ClinicalTrials.gov public record
Updated May 21, 2020 · Synced Oct 25, 2026, 5:41 AM EDT
Completed Phase 1 Interventional Results available

COVID-19 Convalescent Plasma for the Treatment of Hospitalized Patients With Pneumonia Caused by SARS-CoV-2.

NCT04397757
View directory record Official record
Conditions
COVID-19
Interventions
COVID-19 Convalescent Plasma
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 25, 2026, 5:41 AM EDT