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ClinicalTrials.gov public records Last synced May 22, 2026, 4:49 AM EDT

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

Showing 1–24 of 267 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: COVID-19 Severe Pneumonia Clear all
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Coronavirus Disease 2019 (COVID-19)
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Torrance, California • Miami, Florida • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 4, 2021 · Synced May 22, 2026, 4:49 AM EDT
Not listed Phase 2 Interventional
View directory record Official record
Conditions
Covid19, Coronavirus, Coronavirus Infection, Corona Virus Infection
Interventions
Ebselen, Placebo
Drug
Lead sponsor
Sound Pharmaceuticals, Incorporated
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
7
States / cities
New Haven, Connecticut • Boise, Idaho • Kansas City, Kansas + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2023 · Synced May 22, 2026, 4:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Covid19, SARS-CoV Infection
Interventions
Vitamin C, melatonin, Placebo, Symptom Survey
Dietary Supplement · Other
Lead sponsor
Lancaster General Hospital
Other
Eligibility
50 Years and older
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2022 · Synced May 22, 2026, 4:49 AM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
COVID-19, Undefined
Interventions
AT-100
Biological
Lead sponsor
Airway Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced May 22, 2026, 4:49 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Covid19, SARS (Severe Acute Respiratory Syndrome), SARS-CoV Infection, SARS-CoV-2
Interventions
Biological: oral polio vaccine, Comparable Placebo, NA-831, Comparable Placebo of drug, Combination of oral polio vaccine and NA-831, Comparable Placebo of Oral Polio Vaccine and Placebo of drug
Biological · Drug · Combination Product
Lead sponsor
Biomed Industries, Inc.
Industry
Eligibility
18 Years and older
Enrollment
3,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
8
States / cities
Los Angeles, California • Orange, California • Palo Alto, California + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2020 · Synced May 22, 2026, 4:49 AM EDT
Completed No phase listed Observational Results available
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 8, 2026 · Synced May 22, 2026, 4:49 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Corona Virus Infection, Acute Respiratory Distress Syndrome, SARS-CoV Infection
Interventions
Losartan, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Minneapolis, Minnesota • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 3, 2022 · Synced May 22, 2026, 4:49 AM EDT
Withdrawn Phase 2 Interventional
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), Coronavirus Disease 2019 (COVID-19), Immunocompromised, Hospitalization, Child, Hospitalized
Interventions
Nirmatrelvir, Ritonavir, Placebo for nirmatrelvir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Cooperstown, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced May 22, 2026, 4:49 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Coronavirus Disease 2019
Interventions
Placebo, Leronlimab (700mg)
Drug
Lead sponsor
CytoDyn, Inc.
Industry
Eligibility
18 Years and older
Enrollment
484 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
18
States / cities
Alexander City, Alabama • Fullerton, California • Los Angeles, California + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced May 22, 2026, 4:49 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
COVID-19, Respiratory Failure, ARDS
Interventions
Tenecteplase, Placebo
Drug
Lead sponsor
Hooman Poor
Other
Eligibility
18 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 5, 2023 · Synced May 22, 2026, 4:49 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Coronavirus Disease 2019 (COVID-19), Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)
Interventions
anti-CD14, Placebo, remdesivir
Biological · Other · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
5
States / cities
Sarasota, Florida • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 25, 2023 · Synced May 22, 2026, 4:49 AM EDT
Terminated Phase 3 Interventional
View directory record Official record
Conditions
COVID-19
Interventions
Tocilizumab, Placebo
Drug
Lead sponsor
Queen's Medical Center
Other
Eligibility
18 Years to 95 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced May 22, 2026, 4:49 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
SARS-CoV-2 Virus, Severe Acute Respiratory Syndrome Coronavirus 2, COVID-19
Interventions
Bivalent BNT162b2 (original/Omicron BA.4/BA.5) 3 microgram dose, Bivalent BNT162b2 (original/Omicron BA.4/BA.5) 6 microgram dose, Bivalent BNT162b2 (original/Omicron BA.4/BA.5) 10 microgram dose, Variant-adapted BNT162b2 (Omicron XBB.1.5) 3 microgram dose, Variant-adapted BNT162b2 (Omicron XBB.1.5) 6 microgram dose, Variant-adapted BNT162b2 (Omicron XBB.1.5) 10 microgram dose, Variant-adapted BNT162b2 (Omicron KP.2) 10 microgram dose
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
6 Months to 11 Years
Enrollment
4,292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
72
States / cities
Birmingham, Alabama • Phoenix, Arizona • Anaheim, California + 57 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced May 22, 2026, 4:49 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Coronavirus Disease (COVID-19)
Interventions
Molnupiravir, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
3,082 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
71
States / cities
Cullman, Alabama • Paradise Valley, Arizona • Phoenix, Arizona + 59 more
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced May 22, 2026, 4:49 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
COVID, Disseminated Intravascular Coagulation, Coagulation Disorder
Interventions
Quantra System
Diagnostic Test
Lead sponsor
HemoSonics LLC
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2022 · Synced May 22, 2026, 4:49 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced May 22, 2026, 4:49 AM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Covid-19
Interventions
N-acetylcysteine, Peripheral Blood
Drug · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced May 22, 2026, 4:49 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Bioavailability
Interventions
PF-07321332/ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced May 22, 2026, 4:49 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
SARS-CoV-2 Infection, COVID-19, Coronavirus Infection, SARS (Severe Acute Respiratory Syndrome)
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
10 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced May 22, 2026, 4:49 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Covid19
Interventions
ATI-450, Placebo
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced May 22, 2026, 4:49 AM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
COVID
Interventions
mavrilimumab, Placebo
Drug · Other
Lead sponsor
Kiniksa Pharmaceuticals International, plc
Industry
Eligibility
18 Years and older
Enrollment
814 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
9
States / cities
Los Angeles, California • San Diego, California • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2025 · Synced May 22, 2026, 4:49 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Critical Confirmed Coronavirus Disease (COVID)-19
Interventions
Sirukumab, Placebo, Standard of Care (SOC)
Drug · Other
Lead sponsor
Janssen Pharmaceutica N.V., Belgium
Industry
Eligibility
18 Years to 84 Years
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
16
States / cities
Long Beach, California • Newport Beach, California • Fort Lauderdale, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 20, 2022 · Synced May 22, 2026, 4:49 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Covid19, SARS (Severe Acute Respiratory Syndrome), SARS Pneumonia, SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere, Pneumonia, Pneumonia, Viral
Interventions
Fostamatinib, Placebo
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
9
States / cities
Orange, California • Washington D.C., District of Columbia • Hialeah, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2023 · Synced May 22, 2026, 4:49 AM EDT
Withdrawn Not applicable Interventional
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2, Hypoxemic Respiratory Failure, Pneumonia, Viral, COVID
Interventions
Helmet Continuous Positive Airway Pressure (CPAP), High Flow Nasal Oxygen (HFNO)
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced May 22, 2026, 4:49 AM EDT