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Showing 1–24 of 171 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pandemic, COVID-19 Clear all
Completed No phase listed Observational Accepts healthy volunteers

Investigation of the B- and T-cell Repertoire and Immune Response in Patients With Acute and Resolved COVID-19 Infection

NCT04362865
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
679 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Bethesda, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Jun 27, 2026, 12:20 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

COVID-19 Pandemic Impact on Alcohol (PIA) - A Natural History Study

NCT04391816
View directory record Official record
Conditions
Alcohol Drinking, Alcohol-Related Disorders, Pandemic, Psychological Stress
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 100 Years
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Jun 27, 2026, 12:20 AM EDT
Recruiting No phase listed Observational

Prospective Clinical Evaluation of the BioFire Emerging Coronavirus Panel for the Detection of COVID-19 and Other Coronaviruses

NCT07221097
View directory record Official record
Conditions
Coronavirus, Respiratory Infection, COVID
Interventions
Investigational IVD for coronaviruses
Device
Lead sponsor
BioFire Defense LLC
Industry
Eligibility
Not listed
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
6
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Tampa, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2025 · Synced Jun 27, 2026, 12:20 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Project REMOTE (REimagining Measurements and Operations of Translational Endpoints)

NCT06776367
View directory record Official record
Conditions
COVID-19
Interventions
Remote study participation and self-collection of specimens, Traditional clinical trial participation with clinician-collected specimens
Other
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
16
States / cities
Vestavia Hills, Alabama • Mesa, Arizona • Fair Oaks, California + 12 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Jun 27, 2026, 12:20 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Intervention to Prevent Behavioral Health Symptoms Among Pandemic Affected Children

NCT05639465
View directory record Official record
Conditions
Emotional Distress, Prosocial Behavior, Pandemic, COVID-19, Coping Skills, Social Support
Interventions
JoH-C19, Switch off Get Active
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
8 Years to 14 Years
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
9
States / cities
Bradenton, Florida • Panama City, Florida • St. Petersburg, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Jun 27, 2026, 12:20 AM EDT
Completed No phase listed Observational

The Impact of the COVID-19 Pandemic on Eating Behavior and Weight Change

NCT04896060
View directory record Official record
Conditions
COVID-19, Obesity
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 99 Years
Enrollment
5,056 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jun 27, 2026, 12:20 AM EDT
Recruiting No phase listed Observational

The Effect of COVID-19 Pandemic on Adolescent and Young Adult Cancer Patients and Survivors

NCT04551378
View directory record Official record
Conditions
COVID-19 Infection, Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Quality-of-Life Assessment, Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 39 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Jun 27, 2026, 12:20 AM EDT
Completed No phase listed Observational

Global Impact of the COVID 19 Pandemic on Stroke Care, Cerebral Venous Thrombosis, and Subarachnoid Hemorrhage

NCT04934020
View directory record Official record
Conditions
Stroke
Interventions
Pre-pandemic stroke related metrics, Stroke related metrics during the pandemic
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
345,089 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
2
States / cities
Atlanta, Georgia • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Jun 27, 2026, 12:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Surgical Telemedicine in the COVID-19 Pandemic Era

NCT04376710
View directory record Official record
Conditions
COVID, Surgery
Interventions
Completion of pre-pandemic survey, Completion of survey after peak of pandemic, Completion of post telemedicine encounter survey
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
31 Days to 18 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Jun 27, 2026, 12:20 AM EDT
Terminated Phase 2 Interventional Results available

Leidos-Enabled Adaptive Protocol (LEAP-CT) for Evaluation of Post-exposure Prophylaxis for Newly-infected COVID-19 Patients

NCT05077969
View directory record Official record
Conditions
2019 Novel Coronavirus Disease, 2019 Novel Coronavirus Infection, 2019-nCoV Disease, 2019-nCoV Infection, COVID-19, COVID-19 Pandemic, COVID-19 Virus Disease, COVID-19 Virus Infection, Covid19, Coronavirus Disease 2019, SARS-CoV2 Infection, SARS-CoV-2 Acute Respiratory Disease
Interventions
Famotidine, Celecoxib, Placebo
Drug
Lead sponsor
Leidos Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
15
States / cities
Newport Beach, California • Miami, Florida • Atlanta, Georgia + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2024 · Synced Jun 27, 2026, 12:20 AM 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 4, 2021 · Synced Jun 27, 2026, 12:20 AM EDT
Completed Not applicable Interventional Results available

A Novel Cognitive Remediation Intervention Targeting Poor Decision-making and Depression in Veterans at High Risk for Suicide: A Safe, Telehealth Approach During the COVID-19 Pandemic

NCT04952532
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Neuropsychological Educational Approach to Cognitive Remediation (NEAR, termed Cognitive Remediation plus Bridging)
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jun 27, 2026, 12:20 AM EDT
Completed No phase listed Observational

Prevalence of SARS-CoV-2 in Conjunctival Swab Samples Among Patients With Conjunctivitis During the COVID-19 Pandemic

NCT04374656
View directory record Official record
Conditions
Conjunctivitis, SARS-CoV-2, COVID-19, Ocular Infection, Viral, Ocular Inflammation
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 30, 2024 · Synced Jun 27, 2026, 12:20 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating the Use of Patient Navigation to Promote Timely Diagnostic Evaluation During the COVID-19 Pandemic

NCT05181722
View directory record Official record
Conditions
Breast Cancer
Interventions
Patient navigator support
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Female only
Enrollment
196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Jun 27, 2026, 12:20 AM EDT
Completed Not applicable Interventional

Brief Telehealth CBT-I Intervention in the Context of the COVID-19 Pandemic

NCT04409743
View directory record Official record
Conditions
Sleep Disturbance, Insomnia
Interventions
Remote Cognitive Behavioral Therapy for Insomnia
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Jun 27, 2026, 12:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Health Messaging Efficacy and Its Impact on Public Perception, Anxiety, and Behavior

NCT04377581
View directory record Official record
Conditions
Public Health, Demography, Pandemics, Corona Virus Infection, News, Global Health, Perception
Interventions
Not listed
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
18,251 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 15, 2020 · Synced Jun 27, 2026, 12:20 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effect of Work Requirements in SNAP in Virginia

NCT04888832
View directory record Official record
Conditions
Health Disparities, Food Security
Interventions
Work requirement exemption months
Other
Lead sponsor
Harvard Medical School (HMS and HSDM)
Other
Eligibility
18 Years to 49 Years
Enrollment
12,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Glen Allen, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 4, 2025 · Synced Jun 27, 2026, 12:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Role of Frequent Point-of-care Molecular Workplace Surveillance for Miners

NCT04977050
View directory record Official record
Conditions
Covid19
Interventions
Quidel quickvue antigen test for COVID-19
Diagnostic Test
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Jun 27, 2026, 12:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Targeting the Health Care Provider (HCP) Burnout Crisis During the COVID-19 Pandemic

NCT04632368
View directory record Official record
Conditions
Burnout, Professional, Stress, Psychological
Interventions
Transcendental Meditation
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 22, 2021 · Synced Jun 27, 2026, 12:20 AM EDT
Completed Not applicable Interventional Results available

Reward Re-Training: A New Treatment to Address Reward Imbalance During the COVID-19 Pandemic

NCT04661410
View directory record Official record
Conditions
Bulimia Nervosa, Bulimia; Atypical, Binge Eating, Binge-Eating Disorder
Interventions
Reward Re-Training, Supportive Therapy
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 20, 2024 · Synced Jun 27, 2026, 12:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Mental Health Impact of the COVID-19 Pandemic on Amish and Mennonite Participants in AMBiGen

NCT04684615
View directory record Official record
Conditions
Depression, Anxiety, Bipolar Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
193 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jun 27, 2026, 12:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Implementing and Evaluating a Social-Emotional Learning Program for Refugee Children During the COVID-19 Pandemic

NCT04931888
View directory record Official record
Conditions
Social Emotional Wellness
Interventions
EMPOWER
Behavioral
Lead sponsor
Yale University
Other
Eligibility
5 Years to 15 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Jun 27, 2026, 12:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing COVID-19 Vaccine Hesitancy Among Hispanic Parents

NCT06036134
View directory record Official record
Conditions
Vaccine-Preventable Diseases, COVID-19 Pandemic, Health-Related Behavior, Health Knowledge, Attitudes, Practice, Narration
Interventions
Baseline surveys, Digital Storytelling Intervention, Information Control Intervention
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jun 27, 2026, 12:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mindfulness Training for Seniors

NCT04378803
View directory record Official record
Conditions
Well Aging
Interventions
Mindfulness training (MT) Connect
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
60 Years to 95 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Aug 16, 2020 · Synced Jun 27, 2026, 12:20 AM EDT