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ClinicalTrials.gov public records Last synced Oct 23, 2026, 8:59 PM EDT

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Showing 457–480 of 1,207 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: COVID Clear all
Active, not recruiting No phase listed Observational

Post Acute Sequelae of COVID-19

NCT04964115
View directory record Official record
Conditions
Covid19, Sars-CoV-2 Infection, Dyspnea Caused by 2019-nCoV, COVID-19 Acute Respiratory Distress Syndrome, Pulmonary Fibrosis
Interventions
Cohort study
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 23, 2026, 8:59 PM EDT
Completed No phase listed Observational

VEGF and sFlt-1 Levels in the Pathogenesis and Severity of COVID-19 Disease

NCT04587323
View directory record Official record
Conditions
COVID-19 Disease
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 23, 2026, 8:59 PM EDT
Completed Phase 1 Interventional

Dual Sympathetic Blocks for Patients Experiencing Sympathetically-Mediated Symptoms From Long COVID

NCT05638620
View directory record Official record
Conditions
Post Acute COVID-19 Syndrome, Long COVID, Long Covid19, COVID-19 Recurrent, Post-Acute COVID-19, Post-Acute COVID-19 Infection, SARS-CoV2 Infection, Post Acute Sequelae of COVID-19, Dysautonomia, Dysautonomia Like Disorder, Dysautonomia Orthostatic Hypotension Syndrome, Post COVID-19 Condition, Post-COVID Syndrome, Post COVID-19 Condition, Unspecified, Post-COVID-19 Syndrome
Interventions
stellate ganglion block with 0.5% bupivacaine
Drug
Lead sponsor
Jonathann Kuo, MD
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Oct 23, 2026, 8:59 PM EDT
Completed Phase 2 Interventional Results available

Convalescent Plasma for Patients With COVID-19

NCT04385199
View directory record Official record
Conditions
Coronavirus Infection, Coronavirus, COVID
Interventions
Convalescent plasma
Biological
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Oct 23, 2026, 8:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Open-label Placebos on COVID-related Psychological Health

NCT05035550
View directory record Official record
Conditions
Stress, Anxiety, Depression
Interventions
Non-Deceptive Placebo
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
18 Years to 30 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 13, 2024 · Synced Oct 23, 2026, 8:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Cognitive-Sensorimotor Function in Long-COVID

NCT06850350
View directory record Official record
Conditions
Post-acute Sequelae of SARS-CoV-2 Infection
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 23, 2026, 8:59 PM EDT
Completed No phase listed Observational

Role of OMT in the Management of the Persistent Post-COVID-19 Symptoms

NCT06016543
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome
Interventions
osteopathic manipulative treatment (OMT)
Procedure
Lead sponsor
A.T. Still University of Health Sciences
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kirksville, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Oct 23, 2026, 8:59 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Hydroxychloroquine as Prophylaxis for COVID-19 in Healthcare Workers (HCQPreP)

NCT04363450
View directory record Official record
Conditions
COVID-19, Corona Virus Infection, Wuhan Coronavirus, Prophylaxis, Healthcare Worker, Sars-CoV2, Hydroxychloroquine
Interventions
Hydroxychloroquine, Placebo
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older
Enrollment
1,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Lafayette, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Oct 23, 2026, 8:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Unhide® Project: A Digital Health Platform to Collect Lifestyle Data for Brain Inflammation Research

NCT04806620
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome, ME/CFS, Rheumatic Arthritis, Juvenile Rheumatoid Arthritis (JRA), Psoriatic Arthritis (PsA), Ankylosing Spondylitis (AS), Autoimmune Encephalitis, Celiac Disease, Celiac Disease in Children, Chronic Lyme Disease, Post-treatment Lyme Disease Syndrome, Crohn's Disease, Dysautonomia, Anorexia Nervosa, Bulimia Nervosa, ARFID, Avoidant / Restrictive Food Intake Disorder, Ehlers Danlos Syndrome, Endometriosis, Fibromyalgia (FM), Long COVID, Lupus, Migraines, Mast Cell Activation Syndrome, Multiple Sclerosis, Myalgic Encephalomyelitis (ME), Myasthenia Gravis, Generalized, Myasthenia Gravis in Children, Narcolepsy, Obsessive Compulsive Disorder (OCD), PANDAS, Pediatric Acute-onset Neuropsychiatric Syndrome (PANS), POTS - Postural Orthostatic Tachycardia Syndrome, General Anxiety Disorder, Social Anxiety Disorder, PTSD - Post Traumatic Stress Disorder, Psoriasis, Traumatic Brain Injury, Tourette's Syndrome, Inflammatory Bowel Disease (IBD), Autoimmune Diseases, Neurological Diseases or Conditions, Psychiatric Disorder, Sjogren's Syndrome, Ulcerative Colitis and Crohn's Disease
Interventions
Not listed
Lead sponsor
Brain Inflammation Collaborative
Other
Eligibility
2 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2030
U.S. locations
1
States / cities
Delafield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 23, 2026, 8:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Assessing the Safety, Tolerability, Pharmacokinetics, and Immunogenicity of Repeated Subcutaneous Doses of Anti-Spike (S) SARS-CoV-2 Monoclonal Antibodies (REGN10933+REGN10987) in Adult Volunteers as Related to COVID-19

NCT04519437
View directory record Official record
Conditions
Healthy, Chronic Stable Illness
Interventions
REGN10933+REGN10987, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years to 90 Years
Enrollment
974 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
7
States / cities
Tempe, Arizona • Rogers, Arkansas • Sacramento, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Oct 23, 2026, 8:59 PM EDT
Terminated Phase 2 Interventional Results available

Antithrombin III in Infectious Disease Caused by COVID-19

NCT04899232
View directory record Official record
Conditions
Antithrombin III Deficiency, Covid19
Interventions
Antithrombin III
Drug
Lead sponsor
Enrique Ginzburg
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 7, 2022 · Synced Oct 23, 2026, 8:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Beaumont Health Large-scale Automated Serologic Testing for COVID-19

NCT04349202
View directory record Official record
Conditions
COVID-19, Coronavirus Infection, Severe Acute Respiratory Syndrome Coronavirus 2
Interventions
EUROIMMUN assay
Diagnostic Test
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
20,614 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 5, 2021 · Synced Oct 23, 2026, 8:59 PM EDT
Not listed No phase listed Observational

Change in Antibody Levels Following SARS-CoV-2 (Covid-19) Vaccinations

NCT04944095
View directory record Official record
Conditions
Covid-19, Subjects Vaccinated Against Covid-19
Interventions
Change in SARS-CoV-2 Antibody Levels
Other
Lead sponsor
Dr. Sidney J. Stohs
Other
Eligibility
55 Years and older
Enrollment
10,000 participants
Timeline
2021 – 2024
U.S. locations
1
States / cities
Southlake, Texas
Source: ClinicalTrials.gov public record
Updated Aug 29, 2022 · Synced Oct 23, 2026, 8:59 PM EDT
Completed No phase listed Observational

Chronic Lung Disease and COVID-19: Understanding Severity, Recovery and Rehabilitation Needs

NCT04628039
View directory record Official record
Conditions
COVID-19, Chronic Lung Diseases
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
622 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Ann Arbor, Michigan • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 23, 2026, 8:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood Collection Study From COVID-19 Convalescents Previously Hospitalized to Identify Immunogenic Viral Epitopes

NCT04397900
View directory record Official record
Conditions
Identify the Viral Epitopes of Memory CD8 T Cells From Individuals That Have Recovered From SARS-CoV-2 Infection, Determine Which SARS-CoV-2 Proteins Are Frequently Recognized by T Cells in Patients With Varying HLA Types
Interventions
Not listed
Lead sponsor
TScan Therapeutics, Inc.
Industry
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
New Orleans, Louisiana • Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Oct 23, 2026, 8:59 PM EDT
Completed Not applicable Interventional Results available

Phase I/II Safety, Dose Finding & Antiviral Activity of RD-X19 in Mild/Moderate Outpatient COVID-19

NCT04662671
View directory record Official record
Conditions
COVID19
Interventions
RD-X19
Device
Lead sponsor
EmitBio Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Miami, Florida • College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2022 · Synced Oct 23, 2026, 8:59 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Restoring Non-Emergent Cardiovascular Care in the Peri- COVID-19 Era

NCT04636021
View directory record Official record
Conditions
Corona Virus Infection
Interventions
COVID-19 testing
Diagnostic Test
Lead sponsor
Pinnacle Health Cardiovascular Institute
Network
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Harrisburg, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Oct 23, 2026, 8:59 PM EDT
Withdrawn Phase 2 Interventional

Viral Specific T-cells for Treatment of COVID-19

NCT04406064
View directory record Official record
Conditions
Viral Infection
Interventions
Viral Specific T-cells (VSTs)
Biological
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Day and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Oct 23, 2026, 8:59 PM 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 29, 2024 · Synced Oct 23, 2026, 8:59 PM EDT
Completed No phase listed Observational

Clinical Validation of the LumiraDx SARS-CoV-2 & Flu A/B Combo Test

NCT05787444
View directory record Official record
Conditions
SARS-CoV-2, Influenza A, Influenza B, Asymptomatic COVID-19
Interventions
LumiraDx SARS-CoV-2 & Flu A/B
Diagnostic Test
Lead sponsor
LumiraDx UK Limited
Industry
Eligibility
2 Years and older
Enrollment
1,081 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cullman, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 23, 2026, 8:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety and Immunogenicity of the mRNA COVID-19 Vaccines in Healthy Children Between 6 Months to Less Than 6 Years of Age

NCT05436834
View directory record Official record
Conditions
SARS-CoV-2
Interventions
mRNA-1273.214, mRNA-1273.815
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
6 Months to 5 Years
Enrollment
1,807 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
48
States / cities
Bessemer, Alabama • Banning, California • Montebello, California + 38 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 23, 2026, 8:59 PM EDT
Completed Phase 3 Interventional Results available

ACTIV-6: COVID-19 Study of Repurposed Medications - Arm E (Fluvoxamine 100)

NCT05894564
View directory record Official record
Conditions
Covid19
Interventions
Fluvoxamine, Placebo
Drug · Other
Lead sponsor
Susanna Naggie, MD
Other
Eligibility
30 Years and older
Enrollment
1,208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
103
States / cities
Gilbert, Arizona • Mesa, Arizona • Peoria, Arizona + 90 more
Source: ClinicalTrials.gov public record
Updated Nov 15, 2024 · Synced Oct 23, 2026, 8:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Strain Change Study for SARS-CoV-2 rS Vaccines

NCT06409663
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 Infection
Interventions
NVX-CoV2705 Vaccine
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Phoenix, Arizona • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 18, 2025 · Synced Oct 23, 2026, 8:59 PM EDT
Completed Phase 3 Interventional Results available

VERU-111 in the Treatment of SARS-Cov-2 Infection by Assessing Its Effect on the Proportion of Patients Who Die on Study

NCT04842747
View directory record Official record
Conditions
SARS-CoV Infection
Interventions
VERU-111
Drug
Lead sponsor
Veru Inc.
Industry
Eligibility
18 Years to 100 Years
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
21
States / cities
Scottsdale, Arizona • Jonesboro, Arkansas • Chula Vista, California + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 23, 2026, 8:59 PM EDT