Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 24, 2026, 12:54 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Long COVID
Interventions
Acupuncture
Procedure
Lead sponsor
Southern California University of Health Sciences
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Whittier, California
Suspended No phase listed Observational Accepts healthy volunteers

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

NCT04359836
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
Conditions
Coronavirus Disease 2019 (COVID-19), SARS-CoV-2
Interventions
Biological sample collection, Data Collection: Clinical Care Assessments
Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
1,227 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
17
States / cities
Tucson, Arizona • Los Angeles, California • San Francisco, California + 14 more
Conditions
Acute Lung Injury
Interventions
VIB7734, Placebo
Drug
Lead sponsor
Viela Bio
Industry
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
COVID 19
Interventions
HLX71, Placebo
Drug · Other
Lead sponsor
Hengenix Biotech Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Secaucus, New Jersey
Conditions
COVID-19, Sars-CoV-2 Infection
Interventions
Sky Medical™ Rapid Antigen Test
Diagnostic Test
Lead sponsor
Sky Medical Supplies & Equipments, LLC
Industry
Eligibility
7 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Lake Worth, Florida
Conditions
Post-acute Sequelae of COVID-19, Long COVID
Interventions
Valacyclovir, Celecoxib, Paxlovid, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Conditions
Post-acute Sequelae SARS-CoV-2 Infection (PASC)
Interventions
Active tDCS, Sham tDCS
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Long Covid
Interventions
tenofovir disoproxil/emtricitabine, Selzentry, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
SARS-CoV2, COVID-19
Interventions
VXA-CoV2-3.1, COMIRNATY®, VXA-CoV2-3.3
Biological
Lead sponsor
Vaxart
Industry
Eligibility
18 Years and older
Enrollment
5,485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
145
States / cities
Anniston, Alabama • Birmingham, Alabama • Mobile, Alabama + 126 more
Conditions
Long COVID
Interventions
RNA Biomarker Blood Test
Diagnostic Test
Lead sponsor
MaxWell Clinic, PLC
Industry
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Iowa City, Iowa • Brentwood, Tennessee
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Treatment for COVID-19 in High-Risk Adult Outpatients

NCT04354428
Conditions
COVID-19, SARS-CoV-2
Interventions
Ascorbic Acid, Hydroxychloroquine Sulfate, Azithromycin, Folic Acid, Lopinavir 200 MG / Ritonavir 50 MG [Kaletra]
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 80 Years
Enrollment
289 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
6
States / cities
Chicago, Illinois • New Orleans, Louisiana • Boston, Massachusetts + 2 more
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Covid19
Interventions
Remdesivir, Remdesivir Placebo, Corticosteroid
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
40
States / cities
Tucson, Arizona • Fresno, California • Loma Linda, California + 28 more
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
18 Years to 99 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Baltimore, Maryland
Conditions
COVID-19
Interventions
Dapsone 85 mg PO BID, Placebo 85 mg PO BID
Drug
Lead sponsor
McGill University Health Centre/Research Institute of the McGill University Health Centre
Other
Eligibility
40 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
5
States / cities
Phoenix, Arizona • High Point, North Carolina • Philadelphia, Pennsylvania + 2 more
Completed Phase 2 Interventional Results available

Nitrite Supplementation in Long COVID Patients

NCT05618574
Conditions
Long COVID, Cardiorespiratory Fitness
Interventions
140 ml per day of Beet-It nitrate beverage (James White Drinks Ltd., Ipswich, UK), 210 ml of nitrate-depleted placebo
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
COVID-19
Interventions
ChAdV68-S, ChAdV68-S-TCE, SAM-LNP-S, SAM-LNP-S-TCE, Sodium Chloride, 0.9%
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
4
States / cities
Decatur, Georgia • St Louis, Missouri • Houston, Texas + 1 more
Conditions
Systemic Inflammation, Neuroinflammation, Microvascular Thrombosis
Interventions
IV normal saline, IV immunoglobulin
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 100 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting Phase 2 Interventional

LIFT: Life Improvement Trial

NCT06366724
Conditions
ME/CFS, Long COVID, PASC
Interventions
Pyridostigmine, Low-Dose Naltrexone, Placebo
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers Results available

Home Usability Study of the SARS-CoV-2 (COVID-19) Test

NCT04395391
Conditions
COVID-19
Interventions
SARS-CoV-2
Diagnostic Test
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Phase 3 Interventional Results available

Frontline Clinician Psilocybin Study

NCT05163496
Conditions
Burnout, Caregiver, Burnout, Professional, COVID-19, Depression, Post Traumatic Stress Disorder, Moral Injury
Interventions
Psilocybin (Usona Institute), Active placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Completed No phase listed Observational

COVID-19 Brain Injury

NCT04496076
Conditions
Sars-CoV2, Severe Neurologic Injury, Ischemic Stroke, Hemorrhagic Stroke, Intracerebral Hemorrhage, Subarachnoid Hemorrhage, Traumatic Brain Injury, Status Epilepticus
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV2), HIV
Interventions
No intervention
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
392 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland