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ClinicalTrials.gov public records Last synced Oct 6, 2026, 10:13 AM EDT

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

Showing 25–48 of 2,343 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: COVID-19 Virus Disease Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between EDP-235, Midazolam, Caffeine and Rosuvastatin in Healthy Subjects

NCT05594615
View directory record Official record
Conditions
COVID-19
Interventions
EDP-235, Midazolam, Rosuvastatin, Caffeine
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 6, 2026, 10:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Stress Related Disorders in Family Members of COVID-19 Patients Admitted to the ICU

NCT04476914
View directory record Official record
Conditions
Respiratory Failure, SARS-CoV 2, Corona Virus Infection, Post Intensive Care Unit Syndrome, Family Members, Post Traumatic Stress Disorder, Anxiety, Depression
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
9
States / cities
Aurora, Colorado • New Orleans, Louisiana • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Oct 6, 2026, 10:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluating the Immune Response to COVID19 Vaccination in Immunodeficient Patients

NCT05286242
View directory record Official record
Conditions
Multiple Sclerosis, Autoimmune Blistering Disease, B-Cell Deficiency
Interventions
COVID19 vaccine
Biological
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 6, 2026, 10:13 AM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety Study of IV Ravulizumab in Patients With COVID-19 Severe Pneumonia

NCT04369469
View directory record Official record
Conditions
COVID-19 Severe Pneumonia, Acute Lung Injury, Acute Respiratory Distress Syndrome, Pneumonia, Viral
Interventions
Ravulizumab, BSC
Biological · Other
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
24
States / cities
Little Rock, Arkansas • Los Angeles, California • Orange, California + 17 more
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Oct 6, 2026, 10:13 AM EDT
Completed No phase listed Observational

COVID-19 in Patients With HIV

NCT04333953
View directory record Official record
Conditions
HIV/AIDS, COVID-19, SARS-CoV-2
Interventions
No intervention
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
Not listed
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 23, 2022 · Synced Oct 6, 2026, 10:13 AM EDT
Recruiting No phase listed Observational

Immune-mediated Pathogenic Mechanisms of Neuro-PASC in Veterans

NCT06932237
View directory record Official record
Conditions
Neuro-PASC, Long COVID
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Portland, Oregon • Mountain Home, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 6, 2026, 10:13 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Ulinastatin for the Treatment of COVID-19 in Hospitalized Patients

NCT04393311
View directory record Official record
Conditions
COVID-19
Interventions
Ulinastatin, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Oct 6, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

Fibrinolytic Therapy to Treat ARDS in the Setting of COVID-19 Infection

NCT04357730
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome, Respiratory Failure, Acute Respiratory Distress Syndrome
Interventions
Alteplase 50 MG [Activase]
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
9
States / cities
La Jolla, California • Aurora, Colorado • Denver, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Oct 6, 2026, 10:13 AM EDT
Recruiting Not applicable Interventional

Percutaneous Electrical Nerve Field Stimulation (PENFS) in Patients With Post Concussion Syndrome (PCS)

NCT04978571
View directory record Official record
Conditions
Post-Concussion Syndrome, COVID Long-Haul, COVID-19
Interventions
percutaneous electrical nerve-field stimulation, PENFS, percutaneous electrical nerve-field stimulation, PENFS (sham device), percutaneous electrical nerve-field stimulation, PENFS (COVID active device)
Device
Lead sponsor
Children's Hospital of Orange County
Other
Eligibility
11 Years to 18 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 6, 2026, 10:13 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Study Evaluating MDX2301 in Healthy Adults and Adults at Higher Risk for Severe COVID-19.

NCT07445971
View directory record Official record
Conditions
COVID -19, COVID-19 (Prevention)
Interventions
MDX2301, Normal Saline
Biological
Lead sponsor
ModeX Therapeutics, An OPKO Health Company
Industry
Eligibility
18 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Las Vegas, Nevada • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 6, 2026, 10:13 AM EDT
Completed Phase 2 Interventional

Probiotic Use for Recovery Enhancement From Long COVID-19

NCT06643299
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome
Interventions
Probiotic Agent, Placebo
Drug · Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 6, 2026, 10:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Vaccine Message Medium on Intentions to Vaccinate in College Students

NCT07861087
View directory record Official record
Conditions
COVID-19 Vaccination
Interventions
COVID-19 Video, COVID-19 Words, COVID-19 Poster
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years and older
Enrollment
1,064 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
State College, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 6, 2026, 10:13 AM EDT
Terminated No phase listed Observational

Efficacy of COVID-19 Vaccination in Patients With Multiple Sclerosis Treated With Immune Modulating Medication

NCT04796584
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Analysis of cell-mediated and antibody-mediated immunity to SARS-CoV-2 virus
Other
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Oct 6, 2026, 10:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Increasing COVID-19 Testing in Chicago's African American Testing Desserts

NCT05197452
View directory record Official record
Conditions
COVID-19 Pandemic
Interventions
COVID-19 Testing
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
Not listed
Enrollment
2,167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 24, 2024 · Synced Oct 6, 2026, 10:13 AM EDT
Completed No phase listed Observational

Transmissibility and Viral Load of SARS-CoV-2 in Oral Secretions

NCT04348240
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Oct 6, 2026, 10:13 AM EDT
Completed No phase listed Observational

Prophylactic Versus Therapeutic Dose Anticoagulation In COVID-19 Infection at the Time of Admission To Critical Care Units

NCT04829552
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
704 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 2, 2021 · Synced Oct 6, 2026, 10:13 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety and Efficacy of Tocilizumab in Patients With Severe COVID-19 Pneumonia

NCT04320615
View directory record Official record
Conditions
COVID-19 Pneumonia
Interventions
Tocilizumab (TCZ), Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
452 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
23
States / cities
La Jolla, California • La Mesa, California • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Oct 6, 2026, 10:13 AM EDT
Completed No phase listed Observational

A Longitudinal Study of COVID-19 Positive Patients Testing Nasal Swabs and Collecting Blood Samples for Research

NCT04327804
View directory record Official record
Conditions
SARS-CoV Infection
Interventions
Odd/Even birth year intervention groups
Diagnostic Test
Lead sponsor
UnitedHealth Group
Industry
Eligibility
Not listed
Enrollment
139 participants
Timeline
2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Oct 6, 2026, 10:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Understanding Communications Included With COVID-19 (Corona Virus Disease of 2019) Home Testing Kits

NCT04758299
View directory record Official record
Conditions
COVID-19 Testing, Decision Making
Interventions
decision science-based design
Other
Lead sponsor
Barry Dewitt
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Oct 6, 2026, 10:13 AM EDT
Withdrawn Phase 4 Interventional

Cetirizine and Famotidine for COVID-19

NCT04836806
View directory record Official record
Conditions
Covid19
Interventions
Cetirizine and Famotidine, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2021 · Synced Oct 6, 2026, 10:13 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Community Research Partnership

NCT04342884
View directory record Official record
Conditions
Coronavirus, COVID
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Not listed
Enrollment
61,410 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
11
States / cities
New Orleans, Louisiana • Baltimore, Maryland • Columbia, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2023 · Synced Oct 6, 2026, 10:13 AM EDT
Withdrawn Phase 2 Interventional

Safety and Efficacy of Tofacitinib in Hospitalized Participants With COVID-19 Pneumonia Who Are Receiving Standard of Care Therapy

NCT04412252
View directory record Official record
Conditions
COVID-19
Interventions
Tofacitinib, Placebo
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
6
States / cities
Hartford, Connecticut • Iowa City, Iowa • Shreveport, Louisiana + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2020 · Synced Oct 6, 2026, 10:13 AM EDT
Recruiting Not applicable Interventional

Improving the Health and Social Participation of People With Disabilities From Underrepresented Groups Post COVID

NCT05792852
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Oct 6, 2026, 10:13 AM EDT
Withdrawn Phase 2 Interventional

Fluvoxamine to Augment Olfactory Recovery For Long COVID-19 Parosmia

NCT05216614
View directory record Official record
Conditions
COVID-19, Olfactory Disorder, Parosmia
Interventions
Fluvoxamine, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 11, 2022 · Synced Oct 6, 2026, 10:13 AM EDT