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ClinicalTrials.gov public records Last synced Oct 23, 2026, 6:17 AM EDT

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Showing 145–168 of 271 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: COVID-19 Severe Pneumonia Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Cyclosporine For The Treatment Of COVID-19(+)

NCT04492891
View directory record Official record
Conditions
SARS (Disease)
Interventions
Cyclosporine, Standard of Care Treatment
Drug · Other
Lead sponsor
Bryan Burt, MD
Other
Eligibility
18 Years to 90 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 20, 2023 · Synced Oct 23, 2026, 6:17 AM EDT
Completed Phase 2 Interventional Results available

COVID Protection After Transplant-Immunosuppression Reduction

NCT05077254
View directory record Official record
Conditions
Kidney Transplant Recipients, Liver Transplant Recipients
Interventions
Pfizer-BioNTech COVID-19 Vaccine 2023-2024, Moderna COVID-19 Vaccine 2023-2024, SOC IS Regimen, SOC IS Reduction
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
15
States / cities
San Diego, California • San Francisco, California • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 23, 2026, 6:17 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

A Study to Evaluate the Efficacy and Safety of mRNA-1283 and mRNA-1273 in Participants 50 to 64 Years of Age Without High-Risk Conditions for Severe Coronavirus Disease 2019 (COVID-19)

NCT07266558
View directory record Official record
Conditions
SARS-CoV-2
Interventions
mRNA-1273, mRNA-1283, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
50 Years to 64 Years
Enrollment
30,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
150
States / cities
Birmingham, Alabama • Cullman, Alabama • Mobile, Alabama + 127 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 23, 2026, 6:17 AM EDT
Terminated Phase 2 Interventional Results available

Study of Varespladib in Patients Hospitalized With Severe COVID-19

NCT04969991
View directory record Official record
Conditions
Coronavirus Disease 2019, Disease Caused by Severe Acute Respiratory Syndrome Coronavirus 2
Interventions
Varespladib, Placebo
Drug
Lead sponsor
Ophirex, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
7
States / cities
Ventura, California • Miami, Florida • Munster, Indiana + 3 more
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Oct 23, 2026, 6:17 AM EDT
Recruiting Phase 3 Interventional

A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease

NCT06679140
View directory record Official record
Conditions
COVID-19 SARS-CoV-2 Infection
Interventions
ibuzatrelvir, placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Enrollment
2,330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
90
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Bakersfield, California + 66 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 23, 2026, 6:17 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate the Safety and Efficacy of ATYR1923 (Efzofitimod) In Participants With Severe Pneumonia Related to COVID-19

NCT04412668
View directory record Official record
Conditions
SARS-CoV-2 (COVID-19) Severe Pneumonia
Interventions
Efzofitimod 1 mg/kg, Efzofitimod 3 mg/kg, Placebo
Drug
Lead sponsor
aTyr Pharma, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
8
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Miami, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2023 · Synced Oct 23, 2026, 6:17 AM EDT
Terminated Phase 3 Interventional Results available

A Study of Rivaroxaban to Reduce the Risk of Major Venous and Arterial Thrombotic Events, Hospitalization and Death in Medically Ill Outpatients With Acute, Symptomatic Coronavirus Disease 2019 (COVID-19) Infection

NCT04508023
View directory record Official record
Conditions
Coronavirus Disease 2019 (COVID-19)
Interventions
Rivaroxaban, Placebo, Standard of Care (SOC)
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
1,284 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
17
States / cities
Tucson, Arizona • Los Angeles, California • Oakland, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2023 · Synced Oct 23, 2026, 6:17 AM EDT
No Longer Available No phase listed Expanded access

CAP-1002 in Severe COVID-19 Disease

NCT04338347
View directory record Official record
Conditions
COVID-19
Interventions
CAP-1002 Allogeneic Cardiosphere-Derived Cells
Biological
Lead sponsor
Capricor Inc.
Industry
Eligibility
18 Years and older
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 1, 2020 · Synced Oct 23, 2026, 6:17 AM EDT
Terminated Phase 3 Interventional

Study to Evaluate Safety and Efficacy of Carrimycin for Treatment of Severe Coronavirus Disease 2019 (COVID-19) in Hospitalized Patients

NCT04672564
View directory record Official record
Conditions
Coronavirus Disease 2019
Interventions
Carrimycin, Placebo
Drug
Lead sponsor
Shenyang Tonglian Group CO., Ltd
Industry
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Amarillo, Texas
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced Oct 23, 2026, 6:17 AM EDT
Not listed Phase 3 Interventional

Best Supportive Care With or Without Low Dose Whole Lung Radiation Therapy for the Treatment of COVID-19

NCT04433949
View directory record Official record
Conditions
Pneumonia, Severe Acute Respiratory Syndrome, Symptomatic COVID-19 Infection Laboratory-Confirmed
Interventions
Best Practice, Low Dose Radiation Therapy
Other · Radiation
Lead sponsor
Emory University
Other
Eligibility
50 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Oct 23, 2026, 6:17 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Healthcare Worker Exposure Response and Outcomes of Hydroxychloroquine

NCT04334148
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine, Placebo oral tablet
Drug
Lead sponsor
Adrian Hernandez
Other
Eligibility
18 Years and older
Enrollment
1,360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
34
States / cities
Aurora, Colorado • Gainesville, Florida • Jacksonville, Florida + 27 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2021 · Synced Oct 23, 2026, 6:17 AM EDT
Completed No phase listed Observational

Coagulation Changes Associated With COVID-19 Infection

NCT04460664
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 13, 2022 · Synced Oct 23, 2026, 6:17 AM EDT
Completed Phase 2 Interventional Results available

Mavrilimumab to Reduce Progression of Acute Respiratory Failure in COVID-19 Pneumonia and Systemic Hyper-inflammation

NCT04463004
View directory record Official record
Conditions
COVID-19, Sars-CoV2, Pneumonia
Interventions
Mavrilimumab, Placebos
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced Oct 23, 2026, 6:17 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Outcomes Mandate National Integration With Cannabis as Medicine

NCT03944447
View directory record Official record
Conditions
Chronic Pain, Chronic Pain Syndrome, Chronic Pain Due to Injury, Chronic Pain Due to Trauma, Fibromyalgia, Seizures, Hepatitis C, Cancer, Crohn Disease, HIV/AIDS, Multiple Sclerosis, Traumatic Brain Injury, Sickle Cell Disease, Post Traumatic Stress Disorder, Tourette Syndrome, Ulcerative Colitis, Glaucoma, Epilepsy, Inflammatory Bowel Diseases, Parkinson Disease, Amyotrophic Lateral Sclerosis, Chronic Traumatic Encephalopathy, Anxiety, Depression, Insomnia, Autism, Opioid-use Disorder, Bipolar Disorder, Covid19, SARS-CoV Infection, COVID-19, Corona Virus Infection, Coronavirus
Interventions
Cannabis, Medical, RYAH-Medtech Inhaler
Drug · Device
Lead sponsor
OMNI Medical Services, LLC
Network
Eligibility
7 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
17
States / cities
Boca Raton, Florida • Bradenton, Florida • Fort Lauderdale, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2022 · Synced Oct 23, 2026, 6:17 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Study of the Efficacy and Safety of Intravenous Pamrevlumab, in Hospitalized Participants With Acute COVID-19 Disease

NCT04432298
View directory record Official record
Conditions
COVID-19
Interventions
Pamrevlumab, Placebo
Drug
Lead sponsor
Kyntra Bio
Industry
Eligibility
40 Years to 85 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
4
States / cities
Detroit, Michigan • Greensboro, North Carolina • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 18, 2022 · Synced Oct 23, 2026, 6:17 AM EDT
Terminated Phase 2 Interventional Results available

Pragmatic Factorial Trial of Hydroxychloroquine, Azithromycin, or Both for Treatment of Severe SARS-CoV-2 Infection

NCT04335552
View directory record Official record
Conditions
SARS-CoV-2
Interventions
Standard of care, Hydroxychloroquine, Azithromycin
Other · Drug
Lead sponsor
Duke University
Other
Eligibility
12 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
4
States / cities
Durham, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Oct 23, 2026, 6:17 AM EDT
Terminated Phase 2 Interventional Results available

Study of Immunomodulation Using Naltrexone and Ketamine for COVID-19

NCT04365985
View directory record Official record
Conditions
COVID-19, Acute Respiratory Distress Syndrome, Severe Acute Respiratory Syndrome (SARS), Coronavirus Infections
Interventions
Naltrexone, Ketamine, Placebo
Drug · Other
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Oct 23, 2026, 6:17 AM EDT
Not yet recruiting Phase 2 Interventional

Prevention of COVID-19 Infection to Severe Pneumonia or ARDS

NCT04569227
View directory record Official record
Conditions
Covid19 Pneumonia
Interventions
EC-18, Placebo
Drug
Lead sponsor
Enzychem Lifesciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
The Bronx, New York • Warwick, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 23, 2026, 6:17 AM EDT
Terminated Phase 2 Interventional Results available

Tocilizumab for Patients With Cancer and COVID-19 Disease

NCT04370834
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm, Pneumonia, Pneumonitis, Severe Acute Respiratory Distress Syndrome, Symptomatic COVID-19 Infection Laboratory-Confirmed
Interventions
Tocilizumab
Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
2 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
5
States / cities
Rockville, Maryland • Las Vegas, Nevada • Oklahoma City, Oklahoma + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Oct 23, 2026, 6:17 AM EDT
Completed Phase 2 Interventional Results available

A Study to Assess the Efficacy and Safety of Gimsilumab in Subjects With Lung Injury or Acute Respiratory Distress Syndrome Secondary to COVID-19 (BREATHE)

NCT04351243
View directory record Official record
Conditions
COVID-19
Interventions
Gimsilumab, Placebo
Drug
Lead sponsor
Kinevant Sciences GmbH
Industry
Eligibility
18 Years and older
Enrollment
227 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
33
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 21 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced Oct 23, 2026, 6:17 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of the AudibleHealth Dx AI/ML-Based Dx SaMD Using FCV-SDS in the Diagnosis of COVID-19 Illness

NCT05175690
View directory record Official record
Conditions
COVID19
Interventions
Diagnostic Software as Medical Device
Diagnostic Test
Lead sponsor
AudibleHealth AI, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 23, 2026, 6:17 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Administration of Intravenous Vitamin C in Novel Coronavirus Infection (COVID-19) and Decreased Oxygenation

NCT04357782
View directory record Official record
Conditions
COVID-19, Hypoxia
Interventions
L-ascorbic acid
Drug
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 25, 2022 · Synced Oct 23, 2026, 6:17 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of 9-valent Human Papillomavirus (9vHPV) Vaccine Coadministered With Messenger Ribonucleic Acid (mRNA)-1273 Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) (COVID-19) Vaccine (V503-076)

NCT05119855
View directory record Official record
Conditions
Papillomavirus Infections, Coronavirus Disease (COVID-19)
Interventions
9vHPV Vaccine, mRNA-1273 Vaccine
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
9 Years to 11 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
38
States / cities
Phoenix, Arizona • Tucson, Arizona • Jonesboro, Arkansas + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 23, 2026, 6:17 AM EDT
Completed Phase 1 Interventional

Trial of Combination Therapy to Treat COVID-19 Infection

NCT04482686
View directory record Official record
Conditions
COVID, Covid-19, Corona Virus Infection, Coronavirus Infection, Coronavirus-19, SARS-CoV2, SARS-CoV Infection
Interventions
Ivermectin, Doxycycline Hcl, Zinc, Vitamin D3, Vitamin C
Drug · Dietary Supplement
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Oct 23, 2026, 6:17 AM EDT