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ClinicalTrials.gov public records Last synced Oct 24, 2026, 11:05 AM EDT

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Showing 697–720 of 2,349 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Covid19 Clear all
Completed Phase 2 Interventional Results available

A Trial of Aclaris Therapeutics, Inc. (ATI)-450 in Patients With Moderate-severe Novel Coronavirus Disease 2019 (COVID-19)

NCT04481685
View directory record Official record
Conditions
Covid19
Interventions
ATI-450, Placebo
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A COVID-19 Study to Evaluate Safety and PK of COVID-HIG Administered Through IM, SC, or IV Routes to SARS-CoV-2 Uninfected Adults

NCT05142306
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
COVID-HIG
Biological
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 59 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Miami, Florida • Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 8, 2025 · Synced Oct 24, 2026, 11:05 AM EDT
Completed No phase listed Observational

Healthcare Worker Exposure Response and Outcomes (HERO) Registry Study, COVID-19

NCT04342806
View directory record Official record
Conditions
Health Care Worker (HCW), COVID-19
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years to 110 Years
Enrollment
51,466 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 5, 2023 · Synced Oct 24, 2026, 11:05 AM EDT
Completed No phase listed Observational

PREP (Pre-Exposure Prophylaxis) of COVID-19

NCT05461378
View directory record Official record
Conditions
Immuno-Deficiency, COVID-19
Interventions
Evusheld
Drug
Lead sponsor
Ghady Haidar
Other
Eligibility
12 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 15, 2024 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Efficacy of N-Acetylcysteine (NAC) in Preventing COVID-19 From Progressing to Severe Disease

NCT04419025
View directory record Official record
Conditions
COVID, Sars-CoV2, SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere, Oxidative Stress
Interventions
N-acetylcysteine
Drug
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
4
States / cities
Cambridge, Massachusetts • Everett, Massachusetts • Somerville, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 28, 2021 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Phase 3 Interventional Results available

Post-exposure Prophylaxis / Preemptive Therapy for SARS-Coronavirus-2

NCT04308668
View directory record Official record
Conditions
Corona Virus Infection, Acute Respiratory Distress Syndrome, SARS-CoV Infection, Coronavirus, Coronavirus Infections
Interventions
Hydroxychloroquine, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
1,312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Oct 24, 2026, 11:05 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 13, 2022 · Synced Oct 24, 2026, 11:05 AM EDT
Terminated No phase listed Observational

COVID Cohort Study

NCT04393155
View directory record Official record
Conditions
COVID-19, Acute Respiratory Failure
Interventions
COVID-19+ observational
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 12, 2021 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Not applicable Interventional

VNS for Long-COVID-19

NCT05630040
View directory record Official record
Conditions
Post-COVID-19 Syndrome, Postural Tachycardia Syndrome, Dysautonomia
Interventions
Non-invasive vagus nerve stimulation, Sham Intervention
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2024 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Evaluation of the Efficacy and Safety of Sarilumab in Hospitalized Patients With COVID-19

NCT04315298
View directory record Official record
Conditions
COVID-19
Interventions
Sarilumab, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
1,912 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
62
States / cities
Los Angeles, California • Sacramento, California • Santa Monica, California + 42 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2021 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Not applicable Interventional

Brain-Training Treatment for Long COVID in Older Adults

NCT05705193
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome
Interventions
NeuroFlex (computerized gamified tasks)
Other
Lead sponsor
UConn Health
Other
Eligibility
60 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 24, 2026, 11:05 AM EDT
Terminated Phase 1Phase 2 Interventional

RAPA-501-Allo Therapy of COVID-19-ARDS

NCT04482699
View directory record Official record
Conditions
Severe COVID-19 Disease
Interventions
RAPA-501-Allo off-the-shelf Therapy of COVID-19, Placebo
Biological · Other
Lead sponsor
Rapa Therapeutics LLC
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 11, 2021 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

COVID-19 Self-Testing Through Rapid Network Distribution

NCT04797858
View directory record Official record
Conditions
Covid19
Interventions
COVID-19 self-test, COVID-19 test referral
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
792 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 11, 2025 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Not applicable Interventional Results available

RECOVER-NEURO: Platform Protocol to Measure the Effects of Cognitive Dysfunction Interventions on Long COVID Symptoms

NCT05965752
View directory record Official record
Conditions
Long COVID, Long COVID-19, Long COVID19
Interventions
BrainHQ/Active Comparator Activity, BrainHQ, PASC CoRE, tDCS-active, tDCS-sham
Other · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
24
States / cities
Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2025 · Synced Oct 24, 2026, 11:05 AM EDT
Terminated No phase listed Observational

Non-Invasive Monitoring of Respiratory Function in Spontaneously Breathing Patients With COVID-19 Infection

NCT04356443
View directory record Official record
Conditions
Respiratory Failure, Ventilatory Failure, COVID-19, Pneumonia, ARDS, Human
Interventions
AirGo Respiratory Monitor
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Oct 24, 2026, 11:05 AM EDT
Completed No phase listed Observational

Surveillance of Individuals Following SARS-CoV-2 Infection

NCT04383444
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 1, 2023 · Synced Oct 24, 2026, 11:05 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Clinical Performance Evaluation of the CareSuperb™ COVID-19 Antigen Home Test

NCT05771714
View directory record Official record
Conditions
COVID-19
Interventions
CareSuperb COVID-19 Antigen Home Test Kit
Device
Lead sponsor
AccessBio, Inc.
Other
Eligibility
2 Years and older
Enrollment
786 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Phase 3 Interventional Results available

Proxalutamide (GT0918) Treatment for Outpatients With Mild or Moderate COVID-19 Illness

NCT04870606
View directory record Official record
Conditions
Efficacy and Safety
Interventions
Proxalutamide (GT0918), Placebo
Drug
Lead sponsor
Suzhou Kintor Pharmaceutical Inc,
Industry
Eligibility
18 Years and older
Enrollment
733 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
8
States / cities
Phoenix, Arizona • Long Beach, California • Sandy Springs, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Oct 24, 2026, 11:05 AM EDT
Terminated Not applicable Interventional

The COVID-19 ICU PRAYER Study

NCT04361838
View directory record Official record
Conditions
Coronavirus Infection
Interventions
prayer
Behavioral
Lead sponsor
Kansas City Heart Rhythm Institute
Other
Eligibility
18 Years to 110 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 3, 2022 · Synced Oct 24, 2026, 11:05 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 24, 2026, 11:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sustained Immunity to COVID-19 as Measured by SARS-CoV-2 Serology Assays

NCT04562285
View directory record Official record
Conditions
Covid19
Interventions
Serologic immunoassays to SARS-CoV-2 antibodies
Diagnostic Test
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
829 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

HOPE Intervention for COVID-19

NCT04376515
View directory record Official record
Conditions
COVID-19 Vaccination
Interventions
HOPE intervention
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated May 2, 2025 · Synced Oct 24, 2026, 11:05 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Impact of COVID-19 on Maternal and Neonatal Outcomes

NCT05197621
View directory record Official record
Conditions
COVID-19, Pregnancy; Infection
Interventions
mRNA COVID-19 vaccine (Pfizer or Moderna)
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
14 Years to 55 Years · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 24, 2026, 11:05 AM EDT
Completed Phase 3 Interventional Results available

Study to Assess Efficacy and Safety of Inhaled Interferon-β Therapy for COVID-19

NCT04732949
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2, COVID-19
Interventions
SNG001, Placebo
Drug
Lead sponsor
Synairgen Research Ltd.
Industry
Eligibility
18 Years and older
Enrollment
623 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
6
States / cities
Tucson, Arizona • St. Petersburg, Florida • Detroit, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Oct 24, 2026, 11:05 AM EDT