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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Coronavirus Disease 2019 Clear all
Withdrawn Phase 1 Interventional

A Study of RLS-0071 in Patients With Acute Lung Injury Due to COVID-19 Pneumonia in Early Respiratory Failure

NCT04574869
View directory record Official record
Conditions
Acute Lung Injury, ALI, COVID-19
Interventions
RLS-0071 10 mg/kg, RLS-0071 40 mg/kg, Placebo
Drug
Lead sponsor
ReAlta Life Sciences, Inc.
Industry
Eligibility
18 Years to 69 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 3, 2022 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Phase 2 Interventional Results available

TD-0903 for ALI Associated With COVID-19

NCT04402866
View directory record Official record
Conditions
Acute Lung Injury (ALI) Associated With COVID-19, Lung Inflammation Associated With COVID-19
Interventions
TD-0903, Placebo
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
18 Years to 80 Years
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
12
States / cities
Duarte, California • Denver, Colorado • Sebring, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2022 · Synced Jun 10, 2026, 4:05 AM EDT
Not listed Phase 1 Interventional

Regenerative Medicine for COVID-19 and Flu-Elicited ARDS Using Lomecel-B (RECOVER)

NCT04629105
View directory record Official record
Conditions
ARDS, Human, Covid19
Interventions
Longeveron Mesenchymal Stem Cells (LMSCs), Placebo
Biological · Other
Lead sponsor
Longeveron Inc.
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
3
States / cities
Miami, Florida • Baltimore, Maryland • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Not applicable Interventional Results available

Improving COVID-19 Vaccine Uptake in Nursing Homes

NCT04732819
View directory record Official record
Conditions
COVID-19 Vaccines
Interventions
High touch multi-pronged behavioral intervention
Behavioral
Lead sponsor
Brown University
Other
Eligibility
Not listed
Enrollment
23,768 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Tampa, Florida • Sykesville, Maryland • Elkhorn, Nebraska + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2021 · Synced Jun 10, 2026, 4:05 AM EDT
Terminated Phase 3 Interventional Results available

Azithromycin for COVID-19 Treatment in Outpatients Nationwide

NCT04332107
View directory record Official record
Conditions
COVID-19, SARS-CoV-2
Interventions
Azithromycin, Placebos
Drug
Lead sponsor
Thomas M. Lietman
Other
Eligibility
18 Years and older
Enrollment
263 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Seroprevalence of SARS CoV 2 Antibodies in Previously Undiagnosed Healthcare Workers

NCT04383587
View directory record Official record
Conditions
SARS-CoV 2, COVID-19
Interventions
Serologic testing
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 12, 2022 · Synced Jun 10, 2026, 4:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Natural History of Coronavirus Disease (COVID-19) in Systemic Autoimmune Diseases

NCT04690816
View directory record Official record
Conditions
Systemic Autoimmune Diseases
Interventions
Not listed
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
15 Years and older
Enrollment
293 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Phase 3 Interventional Results available

SUNRISE-3: Efficacy and Safety of Bemnifosbuvir in High-Risk Outpatients With COVID-19

NCT05629962
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS CoV 2 Infection), COVID-19
Interventions
Bemnifosbuvir (BEM), Placebo
Drug
Lead sponsor
Atea Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
61
States / cities
Kingman, Arizona • Prescott, Arizona • Surprise, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Jun 10, 2026, 4:05 AM EDT
Approved For Marketing No phase listed Expanded access

An Expanded Access Study to Provide at Home Subcutaneous Administration of Pertuzumab and Trastuzumab Fixed-Dose Combination (PH FDC SC) for Patients With HER2-Positive Breast Cancer During the COVID-19 Pandemic

NCT04395508
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Pertuzumab and Trastuzumab Fixed-Dose Combination for Subcutaneous Administration (PH FDC SC)
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
12
States / cities
Beverly Hills, California • San Francisco, California • Stanford, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2022 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acceptance and Commitment Therapy Delivered by Automated Software Messaging

NCT04329897
View directory record Official record
Conditions
Hip Osteoarthritis, Knee Osteoarthritis, Mental Stress, Coronavirus
Interventions
Software Messaging
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 15, 2020 · Synced Jun 10, 2026, 4:05 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Non-invasive Characterization of Systemic Microvascular Reactivity by Near-infrared Diffuse Optical Spectroscopy in COVID-19 Patients

NCT04689477
View directory record Official record
Conditions
COVID-19, Endothelial Function
Interventions
Vascular occlusion test
Device
Lead sponsor
Corporacion Parc Tauli
Other
Eligibility
18 Years and older
Enrollment
612 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2022 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Not applicable Interventional Results available

Phase I/II Safety, Dose Finding & Antiviral Activity of RD-X19 in Mild/Moderate Outpatient COVID-19

NCT04662671
View directory record Official record
Conditions
COVID19
Interventions
RD-X19
Device
Lead sponsor
EmitBio Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Miami, Florida • College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 7, 2022 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Phase 2 Interventional

LEAP-CT for Treatment of COVID-19 Patients (Master Protocol)

NCT05077332
View directory record Official record
Conditions
2019 Novel Coronavirus Disease, 2019 Novel Coronavirus Infection, 2019-nCoV Disease, 2019-nCoV Infection, COVID-19 Pandemic, COVID-19 Virus Disease, COVID-19 Virus Infection, Covid19, Coronavirus Disease 2019, SARS-CoV-2 Infection, SARS-CoV-2 Acute Respiratory Disease, COVID-19
Interventions
Famotidine, Celecoxib, Placebo
Drug · Other
Lead sponsor
Leidos Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Not applicable Interventional

Evaluating a Comprehensive Multimodal Outpatient Rehabilitation Program for PASC Program to Improve Functioning of Persons Suffering From Post-COVID-19 Syndrome: A Randomized Controlled Trial

NCT06156202
View directory record Official record
Conditions
Post-Acute COVID-19, Post-Acute COVID-19 Syndrome, Post-Acute COVID-19 Infection, Long COVID, Long Covid19, Dyspnea, Orthostasis, Cognitive Impairment
Interventions
Comprehensive Rehabilitation, Augmented Usual Care
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Jun 10, 2026, 4:05 AM EDT
Completed No phase listed Observational

Baseline Vitamin D Deficiency and COVID-19 Disease Severity

NCT04628000
View directory record Official record
Conditions
Vitamin D Deficiency, Covid19
Interventions
Vitamin D
Other
Lead sponsor
Parkview Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
50 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Pueblo, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 3, 2022 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Phase 2 Interventional Results available

Clazakizumab (Anti-Interleukin 6 (IL-6) Monoclonal) Compared to Placebo for Coronavirus Disease 2019 (COVID-19)

NCT04348500
View directory record Official record
Conditions
COVID-19
Interventions
Clazakizumab
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Phase 3 Interventional Results available

Efficacy of Tocilizumab on Patients With COVID-19

NCT04356937
View directory record Official record
Conditions
SARS-CoV 2
Interventions
Tocilizumab, Placebos
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
3
States / cities
Boston, Massachusetts • Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Jun 10, 2026, 4:05 AM EDT
Not listed Phase 2 Interventional

Pulmozyme to Improve COVID-19 ARDS Outcomes

NCT04402944
View directory record Official record
Conditions
COVID
Interventions
Pulmozyme, Placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
3 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Boston, Massachusetts • Weymouth, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 16, 2021 · Synced Jun 10, 2026, 4:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 SARS-CoV-2 RAST Study

NCT06452056
View directory record Official record
Conditions
SARS-CoV2 Infection
Interventions
Rapid Antigen Screening Test
Device
Lead sponsor
Columbia University
Other
Eligibility
2 Years and older
Enrollment
337 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 10, 2024 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

PA-001 Ph.1 Study in Healthy and Elderly Subjects

NCT07518771
View directory record Official record
Conditions
COVID - 19
Interventions
PA-001
Drug
Lead sponsor
PeptiDream Inc.
Industry
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Jun 10, 2026, 4:05 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 20, 2023 · Synced Jun 10, 2026, 4:05 AM EDT
Completed No phase listed Observational

Long-term Impact in Intensive Care Survivors of Coronavirus Disease (COVID-19)

NCT05175339
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
26 participants
Timeline
2021 – 2023
U.S. locations
2
States / cities
Baltimore, Maryland • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Jun 10, 2026, 4:05 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Understanding the Long-term Impact of COVID on Children and Families

NCT05172011
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
Up to 25 Years
Enrollment
15,028 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
65
States / cities
Birmingham, Alabama • Little Rock, Arkansas • La Jolla, California + 51 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Jun 10, 2026, 4:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and Pharmacokinetics of SAB-185 in Healthy Participants

NCT04468958
View directory record Official record
Conditions
COVID-19, SARS-CoV2
Interventions
SAB-185, Normal saline
Biological · Other
Lead sponsor
SAb Biotherapeutics, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
3
States / cities
Wichita, Kansas • Syracuse, New York • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2022 · Synced Jun 10, 2026, 4:05 AM EDT