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ClinicalTrials.gov public records Last synced Jul 22, 2026, 5:54 AM EDT

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Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Coronavirus-19 Clear all
Terminated Early Phase 1 Interventional Results available

Post-Acute Sequelae of Coronavirus-19 (COVID-19) With Dyspnea on Exertion And Associated TaChycardia TrEatment Study

NCT05096884
View directory record Official record
Conditions
Tachycardia, Dyspnea, COVID-19
Interventions
Metoprolol Succinate
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 2, 2024 · Synced Jul 22, 2026, 5:54 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Study of Niclosamide in Moderate and Severe Hospitalized Coronavirus-19 (COVID-19) Patients

NCT04603924
View directory record Official record
Conditions
COVID-19
Interventions
Niclosamide, Placebo
Drug
Lead sponsor
NeuroBo Pharmaceuticals Inc.
Industry
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
8
States / cities
Sheffield, Alabama • Irvine, California • Jacksonville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Jul 22, 2026, 5:54 AM EDT
Completed Phase 2 Interventional

A Study of Quintuple Therapy to Treat COVID-19 Infection

NCT04334512
View directory record Official record
Conditions
COVID-19, Corona Virus Infection, Coronavirus-19, Sars-CoV2
Interventions
Hydroxychloroquine, Azithromycin, Vitamin C, Vitamin D, Zinc
Drug · Dietary Supplement
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Jul 22, 2026, 5:54 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety and Anti-coronavirus Response of Suppression of Host Nucleotide Synthesis in Patients With COVID-19

NCT04425252
View directory record Official record
Conditions
COVID-19
Interventions
Brequinar, Standard of Care
Drug · Other
Lead sponsor
Clear Creek Bio, Inc.
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
5
States / cities
Hartford, Connecticut • Jacksonville, Florida • Tampa, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2022 · Synced Jul 22, 2026, 5:54 AM EDT
Withdrawn Phase 2 Interventional

A Study of Combination Therapies to Treat COVID-19 Infection

NCT04459702
View directory record Official record
Conditions
COVID, COVID-19, Corona Virus Infection, Coronavirus Infection, Coronavirus Sars-Associated as Cause of Disease Classified Elsewhere, Coronavirus-19, SARS-CoV 2, SARS Pneumonia
Interventions
hydroxychloroquine, Azithromycin, Ritonavir, Lopinavir
Drug
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Jul 22, 2026, 5:54 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Study of Hydroxychloroquine, Vitamin C, Vitamin D, and Zinc for the Prevention of COVID-19 Infection

NCT04335084
View directory record Official record
Conditions
COVID-19, Coronavirus Infection, Sars-CoV2, Corona Virus Infection, COVID, Coronavirus, Coronavirus-19, Coronavirus 19
Interventions
Hydroxychloroquine, Vitamin C, Vitamin D, Zinc
Drug · Dietary Supplement
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
254 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Jul 22, 2026, 5:54 AM EDT
Withdrawn Phase 1 Interventional

A Study of ResCure™ to Treat COVID-19 Infection

NCT04395716
View directory record Official record
Conditions
COVID, Covid-19, Corona Virus Infection, Sars-CoV2, Coronavirus-19, SARS Pneumonia, SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere
Interventions
ResCure™
Biological
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Jul 22, 2026, 5:54 AM EDT
Completed Not applicable Interventional

Coronavirus 2019 (COVID-19)- Using Ascorbic Acid and Zinc Supplementation

NCT04342728
View directory record Official record
Conditions
COVID, Corona Virus Infection
Interventions
Ascorbic Acid, Zinc Gluconate, Ascorbic Acid and Zinc Gluconate, Standard of Care
Dietary Supplement · Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Weston, Florida • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced Jul 22, 2026, 5:54 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 23, 2024 · Synced Jul 22, 2026, 5:54 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

A Study to Explore the Role of Gut Flora in COVID-19 Infection

NCT04359836
View directory record Official record
Conditions
Gut Microbiome, Gastrointestinal Microbiome, COVID, COVID-19, Corona Virus Infection, Coronavirus, Coronaviridae Infections, Coronavirus 19, Coronavirus-19, COVID 19
Interventions
There is no intervention in this study
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Jul 22, 2026, 5:54 AM EDT
Completed No phase listed Observational

A Study to Understand How the Use of Paxlovid Affected Healthcare Use in People With Pre-existing Conditions.

NCT07090486
View directory record Official record
Conditions
COVID-19
Interventions
nirmatrelvir-ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
14,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Jul 22, 2026, 5:54 AM EDT
Not listed No phase listed Observational

MGUS, SMM, and MM Patient Experience With Coronavirus 19 (COVID-19) Survey

NCT04727294
View directory record Official record
Conditions
Multiple Myeloma, Smoldering Multiple Myeloma, Monoclonal Gammopathy of Undetermined Significance, Coronavirus
Interventions
Questionnaire
Behavioral
Lead sponsor
HealthTree Foundation
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Lehi, Utah
Source: ClinicalTrials.gov public record
Updated Aug 3, 2021 · Synced Jul 22, 2026, 5:54 AM EDT
Completed Not applicable Interventional

Exploring Telehealth to Deliver Me & My Wishes During Coronavirus-19

NCT05037448
View directory record Official record
Conditions
Health Communication
Interventions
Me & My Wishes
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
65 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Forest Grove, Oregon • Wilsonville, Oregon • Brigham City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 7, 2021 · Synced Jul 22, 2026, 5:54 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Feasibility Pilot Clinical Trial of Omega-3 Supplement vs. Placebo for Post Covid-19 Recovery Among Health Care Workers

NCT05121766
View directory record Official record
Conditions
COVID-19
Interventions
Omega-3 (EPA+DHA), Placebo
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 89 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Edison, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 22, 2026, 5:54 AM EDT
Terminated Phase 3 Interventional Results available

Treatment of Long CoronaVirus Disease (COVID) (TLC) Feasibility Trial

NCT05946551
View directory record Official record
Conditions
COVID-19
Interventions
Cetirizine, Famotidine, Cetirizine Placebo, Famotidine Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
4
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 16, 2025 · Synced Jul 22, 2026, 5:54 AM EDT