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Showing 1–24 of 260 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pandemics Clear all
Not listed No phase listed Observational Accepts healthy volunteers

The Covid-19 HEalth caRe wOrkErS (HEROES) Study

NCT04352634
View directory record Official record
Conditions
Covid-19, Mental Health Disorder, Stress Disorder, Anxiety, Depression, SARS-CoV-2
Interventions
Exposure to the SARS-CoV-2 and its consequences
Other
Lead sponsor
University of Chile
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 31, 2021 · Synced Sep 6, 2026, 11:12 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immunogenicity of One or Two Booster Vaccinations With H5N6 Influenza Vaccine in Adults Primed With H5N1 Influenza Vaccine or Unprimed

NCT05422326
View directory record Official record
Conditions
Influenza, Human, Influenza in Birds, Respiratory Tract Infections, Infections, Orthomyxoviridae Infections, RNA Virus Infections, Virus Diseases, Respiratory Tract Diseases
Interventions
aH5N6c on Day 1, aH5N6c on Day 22, Placebo on Day 22
Biological
Lead sponsor
Seqirus
Industry
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
18
States / cities
Huntsville, Alabama • Tempe, Arizona • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 6, 2026, 11:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project H-COVID: Evaluating Hyper-Brief, Online Materials During the COVID-19 Pandemic

NCT04459455
View directory record Official record
Conditions
Anxiety
Interventions
Contain COVID Anxiety SSI, Remain COVID Free SSI
Behavioral
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Sep 6, 2026, 11:12 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 Sep 6, 2026, 11:12 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 Sep 6, 2026, 11:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Influenza Immunity Against Pandemic Respiratory Virus

NCT00138281
View directory record Official record
Conditions
Influenza
Interventions
FluMist, Fluzone
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2006
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 26, 2010 · Synced Sep 6, 2026, 11:12 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 Sep 6, 2026, 11:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Validation of New Injection Molded Flocked Nasopharyngeal Swabs in Response to the COVID-19 Pandemic

NCT04368260
View directory record Official record
Conditions
COVID19
Interventions
Control swab, Prototype swab
Device
Lead sponsor
University of Virginia
Other
Eligibility
0 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 16, 2022 · Synced Sep 6, 2026, 11:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Positive Affect Regulation sKills at Northwestern University

NCT04367922
View directory record Official record
Conditions
Anxiety, Depression, Social Isolation
Interventions
Positive Emotion Skills Course
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 6, 2026, 11:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Using a Meditation App in Reducing Anxiety and Improving Well-being During the Covid-19 Pandemic

NCT04369378
View directory record Official record
Conditions
Anxiety, Well-being
Interventions
Meditation app usage
Behavioral
Lead sponsor
Lake Erie College of Osteopathic Medicine
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Erie, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 29, 2021 · Synced Sep 6, 2026, 11:12 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Immune Response of an H7N7 Vaccine in Healthy Adults

NCT01534468
View directory record Official record
Conditions
Influenza A Subtype H7N7 Infection
Interventions
Monovalent Influenza Subvirion Vaccine, H7N7
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Sep 6, 2026, 11:12 AM EDT
Completed No phase listed Observational Results available

Attitudes Towards Receiving Mental Health Care Using Telehealth During the Coronavirus Disease 2019 (COVID-19) Pandemic

NCT04693052
View directory record Official record
Conditions
Psychiatric Disorder, Mental Health Disorder, Stress, Adjustment Disorders
Interventions
No interventions
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 99 Years
Enrollment
605 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Sep 6, 2026, 11:12 AM EDT
Active, not recruiting Not applicable Interventional

Patient Perceptions of the Relational Empathy of Healthcare Practitioners From the Department of Emergency Medicine During the COVID-19 Pandemic

NCT05102656
View directory record Official record
Conditions
COVID-19 Infection, Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Best Practice, Discussion, Questionnaire Administration
Other · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Sep 6, 2026, 11:12 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Pandemic Induced Stress and Symptoms

NCT06036251
View directory record Official record
Conditions
Stress Reaction, Stress, Emotional, Stress, COVID-19 Pandemic
Interventions
Questionnaires
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
415 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Sep 6, 2026, 11:12 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Send-In Sample Collection for Comprehensive Analyses of Innate and Adaptive Immune Responses During Acute COVID-19 and Convalescence

NCT04582903
View directory record Official record
Conditions
COVID-19 Infection
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day to 99 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2031
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 6, 2026, 11:12 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 Sep 6, 2026, 11:12 AM EDT
Completed No phase listed Observational

COVID-19 on Placental Gene Expression and Pathology

NCT04585945
View directory record Official record
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
Positive for SARS-CoV-2 infection
Diagnostic Test
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 6, 2026, 11:12 AM EDT
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 Sep 6, 2026, 11:12 AM EDT
Completed Not applicable Interventional Results available

Lift Mobile Mindfulness for COVID-19 Distress Symptoms

NCT04581200
View directory record Official record
Conditions
COVID-19, Cardiorespiratory Failure
Interventions
Lift
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Aurora, Colorado • Ann Arbor, Michigan • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Sep 6, 2026, 11:12 AM EDT
Completed No phase listed Observational

Stories for Change: Digital Storytelling Intervention for Diabetes Self-Management in the COVID-19 Pandemic

NCT04738032
View directory record Official record
Conditions
Type2 Diabetes
Interventions
Digital Storytelling Intervention
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Phoenix, Arizona • Minneapolis, Minnesota • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 3, 2021 · Synced Sep 6, 2026, 11:12 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Risk Factors for Anxiety and Depression Among Pregnant Women During the COVID-19 Pandemic

NCT04377412
View directory record Official record
Conditions
Anxiety, Depression, Pregnancy Related
Interventions
Pandemic control measures
Other
Lead sponsor
Żelazna Medical Centre, LLC
Other
Eligibility
18 Years and older · Female only
Enrollment
8,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 5, 2020 · Synced Sep 6, 2026, 11:12 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Mobile App in House Staff Health and Well-being During COVID-19 Pandemic

NCT04374786
View directory record Official record
Conditions
Perceived Stress, Anxiety, Sleep Disturbance, Burnout, PTSD
Interventions
Calm Meditation App
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 99 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 6, 2026, 11:12 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A/H5N1/LT Dose Ranging Study

NCT00908687
View directory record Official record
Conditions
Pandemic Influenza
Interventions
A/H5N1, LT Adjuvant Patch
Biological
Lead sponsor
Intercell USA, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
6
States / cities
Anaheim, California • Vallejo, California • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2021 · Synced Sep 6, 2026, 11:12 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Immunogenicity and Safety of Pandemic Influenza Vaccines in Adults Aged 18 - 49 Years Old

NCT01236040
View directory record Official record
Conditions
Influenza
Interventions
GSK Biologicals' investigational vaccine GSK2590066A, GSK Biologicals' investigational vaccine GSK2592984A, GSK Biologicals' investigational vaccine GSK2340274A, GSK Biologicals' investigational vaccine GSK2340273A, Placebo
Biological · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 49 Years
Enrollment
521 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
4
States / cities
Anaheim, California • Stockbridge, Georgia • Lenexa, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Sep 6, 2026, 11:12 AM EDT