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ClinicalTrials.gov public records Last synced Oct 6, 2026, 11:33 AM EDT

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Showing 97–120 of 1,946 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Covid19 Pneumonia Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

CATCH-UP Vaccines: Engaged Approaches to Testing in Community/Healthcare Settings for the Underserved (COVID-19)

NCT05236270
View directory record Official record
Conditions
COVID-19, Vaccine Refusal
Interventions
Text Message, Motivational Interviewing, Electronic Educational Message with Tailored Questions/Prompts
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 100 Years
Enrollment
312 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Oct 6, 2026, 11:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

ImmuneSense COVID-19 Variant Study

NCT05054088
View directory record Official record
Conditions
Covid19
Interventions
T-Detect COVID test
Device
Lead sponsor
Adaptive Biotechnologies
Industry
Eligibility
18 Years to 89 Years
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
15
States / cities
Phoenix, Arizona • Fullerton, California • Los Angeles, California + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2022 · Synced Oct 6, 2026, 11:33 AM EDT
Terminated Phase 2 Interventional Results available

Safety and Efficacy of EDP1815 in the Treatment of Patients Hospitalized With COVID-19 Infection

NCT04488575
View directory record Official record
Conditions
Covid19
Interventions
EDP1815, Placebo
Drug
Lead sponsor
Evelo Biosciences, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
New Brunswick, New Jersey • Newark, New Jersey • Edinburg, Texas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2022 · Synced Oct 6, 2026, 11:33 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 6, 2026, 11:33 AM EDT
Completed Phase 2 Interventional Results available

COVID-19 PrEP HCW HCQ Study

NCT04354870
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine (HCQ)
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 14, 2022 · Synced Oct 6, 2026, 11:33 AM EDT
Terminated No phase listed Observational

Use and Effectiveness of COVID-19 Vaccines Using State Vaccine Registries and Insurance Claims Data

NCT05876377
View directory record Official record
Conditions
SARS-CoV-2, COVID-19, Post-Acute COVID-19 Syndrome
Interventions
Pfizer-BioNTech COVID-19 mRNA vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
6 Months and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 6, 2026, 11:33 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 6, 2026, 11:33 AM EDT
Terminated No phase listed Observational

Cardiovascular Implications of COVID-19

NCT04435457
View directory record Official record
Conditions
SARS-CoV 2, SARS Pneumonia, COVID-19, SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere, Cardiac Complication
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 23, 2023 · Synced Oct 6, 2026, 11:33 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 6, 2026, 11:33 AM EDT
Terminated Phase 2 Interventional Results available

Tofacitinib for Treatment of Moderate COVID-19

NCT04415151
View directory record Official record
Conditions
COVID-19 Pneumonia
Interventions
Tofacitinib 10 mg, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 99 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 28, 2025 · Synced Oct 6, 2026, 11:33 AM EDT
Completed Phase 2 Interventional

Evaluating the Efficacy of Convalescent Plasma in Symptomatic Outpatients Infected With COVID-19

NCT04438057
View directory record Official record
Conditions
COVID-19
Interventions
CCP
Biological
Lead sponsor
Metro Infectious Disease Consultants
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Burr Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Oct 6, 2026, 11:33 AM EDT
Completed Phase 1 Interventional Results available

AZD7442 Pharmacokinetics, Pharmacodynamics, and Safety Evaluation in Pediatrics

NCT05281601
View directory record Official record
Conditions
SARS-CoV-2
Interventions
AZD7442
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
0 Years to 17 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
7
States / cities
Long Beach, California • Aurora, Colorado • Washington D.C., District of Columbia + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2025 · Synced Oct 6, 2026, 11:33 AM EDT
Terminated Not applicable Interventional

Study of AffloVest in At-Risk Respiratory Patients During COVID-19 Pandemic

NCT04654481
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Chronic Cough, Covid19
Interventions
HCFWO, Standard Care Plus Monitoring
Device · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 6, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COVID-19 Molecular OTC At Home Test

NCT05704803
View directory record Official record
Conditions
COVID-19 Pandemic
Interventions
Diagnostic Test: IN Vitro
Diagnostic Test
Lead sponsor
3EO Health
Industry
Eligibility
2 Years and older
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
4
States / cities
Miami, Florida • Humble, Texas • Kingwood, Texas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Oct 6, 2026, 11:33 AM EDT
Completed Phase 3 Interventional Results available

BRII-196/BRII-198 for Inpatients With COVID-19 (An ACTIV-3/TICO Treatment Trial)

NCT05780424
View directory record Official record
Conditions
COVID-19
Interventions
BRII-196, BRII-198, Placebo, Remdesivir
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
353 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
76
States / cities
Tucson, Arizona • Fresno, California • Loma Linda, California + 52 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Oct 6, 2026, 11:33 AM EDT
Completed Not applicable Interventional

Qigong for Post Acute Sequelae of COVID-19 Infection

NCT05675995
View directory record Official record
Conditions
Long COVID
Interventions
Qigong
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 6, 2026, 11:33 AM EDT
Completed Phase 3 Interventional Results available

ACTIV-6: COVID-19 Study of Repurposed Medications

NCT04885530
View directory record Official record
Conditions
Covid19
Interventions
Ivermectin, Fluvoxamine, Fluticasone, Placebo, Montelukast, Metformin
Drug · Other
Lead sponsor
Susanna Naggie, MD
Other
Eligibility
30 Years and older
Enrollment
10,956 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
110
States / cities
Chandler, Arizona • Gilbert, Arizona • Mesa, Arizona + 96 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Oct 6, 2026, 11:33 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 5, 2021 · Synced Oct 6, 2026, 11:33 AM EDT
Active, not recruiting Phase 2 Interventional

I-SPY COVID-19 TRIAL: An Adaptive Platform Trial for Critically Ill Patients

NCT04488081
View directory record Official record
Conditions
COVID-19
Interventions
Remdesivir, Imatinib Mesylate, Dexamethasone, Cenicriviroc, Icatibant, Apremilast, dornase alfa, Celecoxib, Famotidine, IC14, Aviptadil, narsoplimab, Cyproheptadine, Cyclosporine
Drug · Biological
Lead sponsor
QuantumLeap Healthcare Collaborative
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
36
States / cities
Birmingham, Alabama • Davis, California • Irvine, California + 30 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 6, 2026, 11:33 AM EDT
Completed Phase 3 Interventional Results available

Inpatient Treatment of COVID-19 With Anti-Coronavirus Immunoglobulin (ITAC)

NCT04546581
View directory record Official record
Conditions
COVID, COVID-19, SARS-CoV-2, SARS (Severe Acute Respiratory Syndrome)
Interventions
Hyperimmune immunoglobulin to SARS-CoV-2 (hIVIG), Placebo, Remdesivir
Biological · Other · Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
593 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
18
States / cities
Colorado Springs, Colorado • Lakewood, Colorado • Westminster, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Oct 6, 2026, 11:33 AM EDT
Completed Phase 1 Interventional Results available

First-In-Human Study To Evaluate Safety, Tolerability, And Pharmacokinetics Following Single Ascending And Multiple Ascending Doses of PF-07304814 In Hospitalized Participants With COVID-19.

NCT04535167
View directory record Official record
Conditions
Viral Disease
Interventions
PF-07304814, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 79 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
9
States / cities
Mountain View, California • Newport Beach, California • Sacramento, California + 2 more
Source: ClinicalTrials.gov public record
Updated May 3, 2023 · Synced Oct 6, 2026, 11:33 AM EDT
Completed No phase listed Observational

COVID-19 and Venous Thromboembolism Risk

NCT04569344
View directory record Official record
Conditions
Venous Thromboembolism, Covid19
Interventions
Laboratory test positive for SARS-CoV-2 virus
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
398,530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Oakland, California • Pasadena, California
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Oct 6, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Discussing COVID-19 Vaccines in Private Facebook Groups

NCT05422898
View directory record Official record
Conditions
COVID-19
Interventions
Gist messages on COVID-19 vaccination, COVID-19 vaccine information
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Oct 6, 2026, 11:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low vs. Moderate to High Dose Vitamin D for Prevention of COVID-19

NCT04868903
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
1,475 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 6, 2026, 11:33 AM EDT