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ClinicalTrials.gov public records Last synced Oct 7, 2026, 4:17 AM EDT

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Showing 121–144 of 1,946 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Covid19 Pneumonia Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Incidence of COVID-19 Test Conversion in Post-surgical Patients

NCT04392323
View directory record Official record
Conditions
Sars-CoV2
Interventions
COVID-19 PCR and Serology
Diagnostic Test
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
2
States / cities
Manhasset, New York • New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2021 · Synced Oct 7, 2026, 4:17 AM EDT
Completed Phase 2 Interventional Results available

VentaProst in Subjects With COVID-19 Requiring Mechanical Ventilation

NCT04452669
View directory record Official record
Conditions
COVID-19
Interventions
VentaProst (inhaled epoprostenol delivered via a dedicated delivery system)
Drug
Lead sponsor
Aerogen Pharma Limited
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Oct 7, 2026, 4:17 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D3 Supplementation to Prevent Respiratory Tract Infections

NCT04596657
View directory record Official record
Conditions
Respiratory Tract Infections, Covid19, Flu Like Illness
Interventions
Vitamin D supplementation
Dietary Supplement
Lead sponsor
The Cooper Health System
Other
Eligibility
18 Years and older
Enrollment
877 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 8, 2023 · Synced Oct 7, 2026, 4:17 AM EDT
Completed Phase 3 Interventional

Double-Blind, Randomized, Placebo-Controlled, Multi-Center Phase 3 Study to Evaluate the Efficacy and Safety of Fostamatinib in COVID-19 Subjects

NCT04629703
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 18, 2023 · Synced Oct 7, 2026, 4:17 AM EDT
Recruiting Not applicable Interventional

Addressing Vaccine Acceptance in Carceral Settings Through Community Engagement

NCT05796505
View directory record Official record
Conditions
COVID-19
Interventions
ADVANCE Steering Committee interventions
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
37,122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Schwenksville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 7, 2026, 4:17 AM EDT
Completed No phase listed Observational

Natural History of Systemic and Nasal Mucosal Immunity to Influenza and SARS-CoV-2 in Adults After Vaccination

NCT04794829
View directory record Official record
Conditions
Influenza, COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 120 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 7, 2026, 4:17 AM EDT
Not yet recruiting No phase listed Observational

Understanding the Long-term Impact of COVID-19 in Adults

NCT07498504
View directory record Official record
Conditions
Long COVID, Long Covid19
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
5,205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 7, 2026, 4:17 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 7, 2026, 4:17 AM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Hydroxychloroquine Prophylaxis for Health Care Workers at High Risk for COVID-19

NCT04435808
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Oct 7, 2026, 4:17 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Randomized Trial Evaluating a mRNA-VLP Vaccine's Immunogenicity and Safety for COVID-19

NCT06147063
View directory record Official record
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
AZD9838, Licensed SARS-CoV-2 mRNA vaccine, AZD6563
Biological
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
243 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
5
States / cities
Long Beach, California • Rolling Hills Estates, California • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 7, 2026, 4:17 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

A Phase 3 Randomized Double Blind Efficacy and Safety Study of Oral Polio Vaccine and NA-831 for Covid-19

NCT04540185
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 9, 2020 · Synced Oct 7, 2026, 4:17 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

At-Home Infusion Using Bamlanivimab in Participants With Mild to Moderate COVID-19

NCT04656691
View directory record Official record
Conditions
Covid19
Interventions
bamlanivimab
Drug
Lead sponsor
Daniel Griffin
Industry
Eligibility
65 Years and older
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Minnetonka, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 18, 2022 · Synced Oct 7, 2026, 4:17 AM EDT
Completed Phase 2 Interventional

NE3107 in Adults With Neurological Symptoms of Long COVID

NCT06847191
View directory record Official record
Conditions
Long COVID
Interventions
NE3107, Placebo
Drug
Lead sponsor
BioVie Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
20
States / cities
Palo Alto, California • San Francisco, California • Aurora, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 7, 2026, 4:17 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Parkinson's Disease and Experiences Throughout the COVID-19 Pandemic

NCT04720118
View directory record Official record
Conditions
Parkinson Disease, Covid19, Satisfaction, Patient, Quality of Life
Interventions
No Intervention
Other
Lead sponsor
Towson University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 1, 2021 · Synced Oct 7, 2026, 4:17 AM EDT
Completed Phase 2 Interventional Results available

COVID Protection After Transplant - Sanofi GSK (CPAT-SG) Study

NCT05518487
View directory record Official record
Conditions
COVID-19, Kidney Transplant
Interventions
Sanofi-GSK monovalent (B.1.351) CoV2 preS dTM-AS03 COVID-19 vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
6
States / cities
San Diego, California • San Francisco, California • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 7, 2026, 4:17 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose Exploration Intramuscular/Intravenous Prophylaxis Pharmacokinetic Exposure Response Study

NCT05872958
View directory record Official record
Conditions
COVID-19
Interventions
AZD3152, Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
4
States / cities
Anniston, Alabama • Cullman, Alabama • Scottsdale, Arizona + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2025 · Synced Oct 7, 2026, 4:17 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Message Communicating Latest Data on COVID-19 Transmission in Patient's Area

NCT05621226
View directory record Official record
Conditions
COVID-19
Interventions
COVID Booster text messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
520,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 3, 2023 · Synced Oct 7, 2026, 4:17 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Testing a Personalized Normative Feedback Intervention for Vaccine Hesitancy

NCT05787015
View directory record Official record
Conditions
COVID-19, Vaccine Hesitancy
Interventions
Vaccine Norms Feedback, Alcohol Norms Feedback
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 24 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Oct 7, 2026, 4:17 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 7, 2026, 4:17 AM EDT
Terminated No phase listed Observational

A Randomized Study to Determine the Expression of the Furin Protein in Patients With SARS-CoV-2 and Vaccinated Against Coronavirus

NCT05104840
View directory record Official record
Conditions
COVID-19, SARS-CoV-2, Furin, RGMc Processing, Paired Basic Amino Acid Cleaving Enzyme (PACE)
Interventions
Not listed
Lead sponsor
Center Trials & Treatment
Other
Eligibility
18 Years and older
Enrollment
2,432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
4
States / cities
Jacksonville, Florida • Ocala, Florida • Charleston, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Oct 7, 2026, 4:17 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Boosting COVID-19 Vaccination Uptake Using Wastewater Surveillance

NCT06698497
View directory record Official record
Conditions
Vaccine Uptake
Interventions
Communication Campaign
Behavioral
Lead sponsor
Syracuse University
Other
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 7, 2026, 4:17 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Evaluation of the INDICAID™ COVID-19 Rapid Antigen Test

NCT04904510
View directory record Official record
Conditions
Covid19
Interventions
INDICAID™ COVID-19 Rapid Antigen Test
Diagnostic Test
Lead sponsor
University of California, Los Angeles
Other
Eligibility
5 Years and older
Enrollment
297 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Oct 7, 2026, 4:17 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

An Observational Study of Moderna COVID-19 Bivalent Vaccines (Original and Omicron BA.4/BA.5) and 2023 Updated mRNA COVID-19 Vaccines (XBB.1.5)

NCT05765578
View directory record Official record
Conditions
COVID-19
Interventions
Moderna COVID-19 Vaccine, Moderna mRNA1273.222 Booster, Pfizer COVID-19 Vaccine, Moderna 2023 Updated COVID-19 vaccine (XBB.1.5), Pfizer 2023 Updated COVID-19 vaccine (XBB.1.5)
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,713 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Culver City, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Oct 7, 2026, 4:17 AM EDT
Enrolling by invitation Phase 2 Interventional

DMSO Dual-Route Therapy for Refractory Tinnitus in Long-COVID and Post-COVID-19 Vaccine Injury

NCT07567274
View directory record Official record
Conditions
Tinnitus
Interventions
DMSO-based otic solution with betahistine, dexamethasone, and lidocaine, DMSO-based transdermal cream with levocarnitine and N-acetylcysteine
Drug
Lead sponsor
Leading Edge Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 7, 2026, 4:17 AM EDT