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ClinicalTrials.gov public records Last synced Oct 28, 2026, 10:25 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1033–1056 of 2,350 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Covid19 Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Predictors of Post-COVID-19 Clinical and Cognitive Consequences

NCT06291870
View directory record Official record
Conditions
Post Acute Sequelae of SARS CoV 2 Infection, Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 28, 2026, 10:25 AM EDT
Active, not recruiting Not applicable Interventional

Lupus Education Alliance Program

NCT05243875
View directory record Official record
Conditions
Systemic Lupus Erythematosus, COVID-19
Interventions
LEAP Education + Navigation, LEAP Education
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Oct 28, 2026, 10:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 and Obstetric Transmission

NCT04418557
View directory record Official record
Conditions
COVID, Pregnancy Complications
Interventions
RT-PCR and antibody testing
Diagnostic Test
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 22, 2022 · Synced Oct 28, 2026, 10:25 AM EDT
Terminated Not applicable Interventional

Treatment of SARS-CoV-2 Virus Disease (COVID-19) in Humans With Hemopurifier® Device

NCT04595903
View directory record Official record
Conditions
COVID-19
Interventions
Hemopurifier
Device
Lead sponsor
Aethlon Medical Inc.
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
9
States / cities
Irvine, California • Loma Linda, California • Newport Beach, California + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 28, 2026, 10:25 AM EDT
Completed No phase listed Observational

Emotional, Social, Cognitive and Behavioral Sequalae of the COVID-19 Pandemic

NCT04823988
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 99 Years
Enrollment
2,086 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2025 · Synced Oct 28, 2026, 10:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Long-Term Experience and Health Effects of COVID-19

NCT04477902
View directory record Official record
Conditions
Covid19, Corona Virus Infection, Quality of Life, Risk Reduction
Interventions
none - observational
Other
Lead sponsor
Altura
Industry
Eligibility
18 Years to 100 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Mission Viejo, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2021 · Synced Oct 28, 2026, 10:25 AM EDT
Completed No phase listed Observational

International Registry of Coronavirus (COVID-19) Exposure in Pregnancy

NCT04366986
View directory record Official record
Conditions
Covid-19
Interventions
Tested for SARS-CoV-2 (regardless of the result), Clinical diagnosis of COVID-19 by a health care professional
Other
Lead sponsor
Pregistry
Industry
Eligibility
18 Years and older · Female only
Enrollment
17,318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 28, 2026, 10:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COVID-19 Vaccine Messaging, Part 1

NCT04460703
View directory record Official record
Conditions
Vaccination, COVID-19
Interventions
Control message, Baseline message, Personal freedom message, Economic freedom message, Self-interest message, Community interest message, Economic benefit message, Guilt message, Embarrassment message, Anger message, Trust in science message, Not bravery message
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 28, 2026, 10:25 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 28, 2026, 10:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

ABO Blood Group Type Association With COVID-19 Severity

NCT05859958
View directory record Official record
Conditions
COVID-19, Blood Group Antigen Abnormality, Blood Group Incompatibilities, Diabetes Mellitus, COVID-19 Pandemic
Interventions
No Intervention
Other
Lead sponsor
Arrowhead Regional Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
599 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Colton, California
Source: ClinicalTrials.gov public record
Updated May 26, 2023 · Synced Oct 28, 2026, 10:25 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Treatment of Pediatric Patients That Lost Sense of Smell Due to COVID-19

NCT04964414
View directory record Official record
Conditions
Dysosmia, Anosmia, Covid19
Interventions
Smell Retraining, Budesonide
Other · Drug
Lead sponsor
Amanda Stapleton
Other
Eligibility
6 Years to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 13, 2024 · Synced Oct 28, 2026, 10:25 AM EDT
Completed No phase listed Observational

Pediatric Acute Kidney Injury in COVID-19

NCT04466306
View directory record Official record
Conditions
Acute Kidney Injury, COVID
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
7 Days to 25 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
33
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 29 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2021 · Synced Oct 28, 2026, 10:25 AM EDT
Completed Not applicable Interventional

RECOVER-ENERGIZE Platform Protocol

NCT06404047
View directory record Official record
Conditions
Long COVID, Long Covid19, Long Covid-19
Interventions
Personalized Cardiopulmonary Rehabilitation, Structured Pacing, Education, Usual Care
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
42
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 33 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 28, 2026, 10:25 AM EDT
Terminated Phase 2 Interventional Results available

Convalescent Plasma in the Early Treatment of High-Risk Patients With SARS-CoV-2 (COVID-19) Infection

NCT04513158
View directory record Official record
Conditions
Covid19
Interventions
Convalescent Plasma
Biological
Lead sponsor
Joseph M. Flynn, D.O., MPH
Other
Eligibility
18 Years to 99 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 24, 2024 · Synced Oct 28, 2026, 10:25 AM EDT
Completed No phase listed Observational

Characteristics of COVID-19 Infection Among PREGnant Women

NCT04398264
View directory record Official record
Conditions
Corona Virus Infection, Pregnancy Related
Interventions
COVID-19 positive via testing
Other
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older · Female only
Enrollment
650 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 7, 2022 · Synced Oct 28, 2026, 10:25 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Long COVID Immune Profiling

NCT06027255
View directory record Official record
Conditions
Long COVID, POTS - Postural Orthostatic Tachycardia Syndrome, Autonomic Dysfunction
Interventions
IL-6, cytokines (IL-17, and IFN-ɣ), Compass 31
Diagnostic Test · Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 28, 2026, 10:25 AM EDT
Completed Phase 2 Interventional Results available

Losartan for Patients With COVID-19 Requiring Hospitalization

NCT04312009
View directory record Official record
Conditions
Corona Virus Infection, Acute Respiratory Distress Syndrome, SARS-CoV Infection
Interventions
Losartan, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
13
States / cities
Gainesville, Florida • Jacksonville, Florida • Atlanta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Oct 28, 2026, 10:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Smartphone Intervention for Relational and Mental Well Being

NCT04629755
View directory record Official record
Conditions
Depression, Loneliness, Relation, Interpersonal, Covid19
Interventions
Intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
1,765 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Oct 28, 2026, 10:25 AM EDT
Active, not recruiting No phase listed Observational

Long Term Outcomes of Patients With COVID-19

NCT04360538
View directory record Official record
Conditions
Critical Illness, Corona Virus Infection, Respiratory Failure, Covid-19
Interventions
Quality of Life, Impact Event Score, Hospital anxiety and depression scale
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 28, 2026, 10:25 AM EDT
Completed Phase 2 Interventional Results available

Effect of Lithium Therapy on Long COVID Symptoms

NCT05618587
View directory record Official record
Conditions
Long COVID
Interventions
Lithium, Placebo
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 80 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Williamsville, New York
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Oct 28, 2026, 10:25 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

The Role of Resistant Starch in COVID-19 Infection

NCT04342689
View directory record Official record
Conditions
COVID-19
Interventions
Dietary Supplement containing resistant starch, Placebo Starch
Drug · Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
19 Years and older
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
New Haven, Connecticut • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 5, 2022 · Synced Oct 28, 2026, 10:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

NOWDx Test for the Detection of Antibodies to COVID-19

NCT04690413
View directory record Official record
Conditions
COVID-19, SARS-CoV-2, Coronavirus
Interventions
NOWDx COVID-19 Test
Device
Lead sponsor
NOWDiagnostics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
3
States / cities
Tucson, Arizona • West Palm Beach, Florida • Jackson, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 1, 2024 · Synced Oct 28, 2026, 10:25 AM EDT
Terminated Phase 2 Interventional Results available

Convalescent Plasma as Treatment for Hospitalized Subjects With COVID-19 Infection

NCT04343755
View directory record Official record
Conditions
COVID-19
Interventions
Convalescent Plasma
Biological
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 18, 2023 · Synced Oct 28, 2026, 10:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

COVID-19 MP Biomedicals SARS-CoV-2 Ag OTC: Clinical Evaluation

NCT05584176
View directory record Official record
Conditions
SARS-CoV2 Infection, COVID-19
Interventions
iCura COVID-19 Antigen Rapid Home Test, RT-PCR Test
Device
Lead sponsor
MP Biomedicals, LLC
Industry
Eligibility
2 Years and older
Enrollment
332 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
4
States / cities
DeLand, Florida • Gainesville, Florida • St. Petersburg, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2023 · Synced Oct 28, 2026, 10:25 AM EDT