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ClinicalTrials.gov public records Last synced Oct 14, 2026, 9:56 AM EDT

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Showing 601–624 of 2,347 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: COVID-19 SARS-CoV-2 Infection Clear all
Not listed No phase listed Observational

Risk Stratification of COVID-19 Using Urine Biomarkers

NCT04681040
View directory record Official record
Conditions
Covid19, Urine, Biomarker, Acute Respiratory Failure With Hypoxia
Interventions
Not listed
Lead sponsor
National Center for Global Health and Medicine, Japan
Government
Eligibility
20 Years and older
Enrollment
964 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Phase 2 Interventional Results available

Systems Analyses of the Immune Response to the Seasonal Influenza Vaccine

NCT04025580
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Flucelvax, Fluvirin, Fluzone High Dose
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Oct 14, 2026, 9:56 AM EDT
Terminated Phase 1 Interventional

Study Assessing the Feasibility, Safety and Efficacy of Genetically Engineered Glucocorticoid Receptor Knock Out Virus Specific CTL Lines for Viral Infections in Immunosuppressed Cancer Patients

NCT05101213
View directory record Official record
Conditions
Adenovirus Infection, BK Virus Infection, Cytomegaloviral Infection, Hematopoietic and Lymphoid Cell Neoplasm, JC Virus Infection, Malignant Solid Neoplasm, Symptomatic COVID-19 Infection Laboratory-Confirmed
Interventions
Virus-specific Cytotoxic T-lymphocytes
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Not applicable Interventional

Nasal Irrigation to Reduce COVID-19 Morbidity

NCT04559035
View directory record Official record
Conditions
Covid19
Interventions
Nasal lavage
Other
Lead sponsor
Augusta University
Other
Eligibility
55 Years and older
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 28, 2021 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Not applicable Interventional

Mindfulness in Post Acute Sequelae of SARS-CoV-2 Infection (PASC) Dysautonomia

NCT05566379
View directory record Official record
Conditions
Long COVID, Dysautonomia
Interventions
Mindfulness - Mindful Awareness Practices ( MAPs)
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 54 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2024 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating a Community-Led COVID-19 Testing Intervention to Address Mistrust - Study 1

NCT06650462
View directory record Official record
Conditions
COVID-19, Trust
Interventions
Community-led discussion
Behavioral
Lead sponsor
Old Dominion University
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study to Assess the Safety and Immunogenicity of JCXH-221, an MRNA-based Broadly Protective COVID-19 Vaccine

NCT05743335
View directory record Official record
Conditions
COVID-19, Infectious Disease
Interventions
JCXH-221, Placebo
Biological · Other
Lead sponsor
Immorna Biotherapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
4
States / cities
Hallandale, Florida • Savannah, Georgia • Lincoln, Nebraska + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 14, 2026, 9:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Characterizing SARS-CoV-2-specific Immunity in Individuals Who Have Recovered From COVID-19

NCT04403880
View directory record Official record
Conditions
SARS-CoV-2, COVID-19
Interventions
Sample collection
Other
Lead sponsor
HIV Vaccine Trials Network
Network
Eligibility
18 Years and older
Enrollment
760 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
21
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Phase 2 Interventional Results available

A Phase 2 Study to Evaluate the Efficacy and Safety of TNX-102 SL in Patients With Multi-Site Pain Associated With Post-Acute Sequelae of SARS-CoV-2 Infection

NCT05472090
View directory record Official record
Conditions
Post-Acute Sequelae of SARS-CoV-2 (PASC) Infection, COVID-19, Long COVID, Long Haul COVID
Interventions
TNX-102 SL, Placebo SL Tablet
Drug
Lead sponsor
Tonix Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
29
States / cities
Birmingham, Alabama • Oceanside, California • Santa Ana, California + 25 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2024 · Synced Oct 14, 2026, 9:56 AM EDT
Completed No phase listed Observational

imPulse™ Una Full-spectrum, Over Clothing E-stethoscope

NCT04556149
View directory record Official record
Conditions
Corona Virus Infection, Coronavirus
Interventions
imPulse™ Una e-stethoscope, Philips Lumify Ultrasound System
Device
Lead sponsor
Level 42 AI, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 21, 2020 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Novelty, Conformity and Trust in COVID-19 Vaccines

NCT04693689
View directory record Official record
Conditions
Trust
Interventions
RNA vaccine, 20% adoption rate, 40% adoption rate, 60% adoption rate, 80% adoption rate, Conventional vaccine, 0% adoption rate
Other
Lead sponsor
National University of Singapore
Other
Eligibility
18 Years and older
Enrollment
35,180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
San Mateo, California
Source: ClinicalTrials.gov public record
Updated Feb 22, 2022 · Synced Oct 14, 2026, 9:56 AM EDT
Active, not recruiting No phase listed Observational

Identification and Characterization of SARS-CoV-2 Specific CD8 T Cells in Humans

NCT04565067
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
18 Years to 100 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Aerosol Box Use on Healthcare Provider Contamination

NCT04880668
View directory record Official record
Conditions
Coronavirus, Covid19, COVID-19 Acute Respiratory Distress Syndrome
Interventions
Aerosol Box (Splashguard)
Device
Lead sponsor
KidSIM Simulation Program
Network
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 1, 2022 · Synced Oct 14, 2026, 9:56 AM EDT
Completed No phase listed Observational

Cardiopulmonary Inflammation and Multi-System Imaging During the Clinical Course of COVID-19 Infection in Asymptomatic and Symptomatic Persons

NCT04401449
View directory record Official record
Conditions
Acute and Long Term Effects of COVID-19 on Systemic Inflammation, Acute and Long Term Effects of COVID-19 on Lung Function, Acute and Long Term Effects of COVID-19 on Cardiac Function, Acute and Long Term Effects of COVID-19 on Kidney Function, Acute and Long Term Effects of COVID-19 on Brain Function
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 80 Years
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of Ad26.COV2.S for the Prevention of SARS-CoV-2-mediated COVID-19 in Adults

NCT04614948
View directory record Official record
Conditions
Participants With or Without Stable Co-morbidities Associated With Progression to Severe COVID-19
Interventions
Ad26.COV2.S, Placebo
Biological · Other
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
18 Years and older
Enrollment
31,835 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
63
States / cities
Vestavia Hills, Alabama • Phoenix, Arizona • Tucson, Arizona + 53 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Not applicable Interventional

Cognitive Training in Survivors of Covid-19: A Randomized Trial

NCT04956887
View directory record Official record
Conditions
Covid19, Cognitive Impairment
Interventions
AKL-T01, Control Group
Behavioral · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 14, 2026, 9:56 AM EDT
Not listed Not applicable Interventional

Oscillation and Lung Expansion Therapy in Patients With COVID-19

NCT04582214
View directory record Official record
Conditions
COVID-19, Oscillation and Lung Expansion
Interventions
MetaNeb® System
Device
Lead sponsor
Hill-Rom
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Atlanta, Georgia • Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated May 10, 2022 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Safety and Immune Response Study to Evaluate Varying Doses of an mRNA Vaccine Against Coronavirus Disease 2019 (COVID-19) in Healthy Adults

NCT05972993
View directory record Official record
Conditions
COVID-19
Interventions
mRNA-CR-04 vaccine 10μg, mRNA-CR-04 vaccine 30μg, mRNA-CR-04 vaccine 100μg, Placebo, mRNA-CR-04 vaccine 3μg
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 49 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
4
States / cities
San Diego, California • Melbourne, Florida • Peoria, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Oct 14, 2026, 9:56 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Thymalfasin (Thymosin Alpha 1; Ta1) as an Enhancer of Vaccine Response Among Older Adults Receiving Booster Doses of COVID-19 Vaccine

NCT06821100
View directory record Official record
Conditions
Vaccine Response, COVID-19 Vaccine, Immune Response to Covid 19 Vaccination
Interventions
Thymalfasin (Thymosin alpha 1, Ta1)
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
65 Years to 100 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Phase 1 Interventional

Transfer of Infection Fighting Immune Cells Generated in the Laboratory to High Risk Patients With COVID-19 Infection

NCT04765449
View directory record Official record
Conditions
Covid19
Interventions
Cytotoxic T Lymphocytes
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 14, 2026, 9:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Isolated During COVID-19: Effects of COVID-19's Social Restrictions on Loneliness and Psychosocial Symptomatology

NCT04440098
View directory record Official record
Conditions
Loneliness, Depression, Anxiety, Alcohol Abuse, Drug Abuse
Interventions
Not listed
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 35 Years
Enrollment
1,008 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 19, 2020 · Synced Oct 14, 2026, 9:56 AM EDT
Terminated Phase 2 Interventional Results available

A Study of Auxora in Patients With Critical COVID-19 Pneumonia

NCT04661540
View directory record Official record
Conditions
Pneumonia
Interventions
CM4620-IE (Injectable Emulsion), Placebo
Drug
Lead sponsor
CalciMedica, Inc.
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 14, 2026, 9:56 AM EDT
Completed Not applicable Interventional Results available

Vale+ Tu Salud: Corner-Based Randomized Trial to Test a Latino Day Laborer Program Adapted to Prevent COVID-19

NCT05248399
View directory record Official record
Conditions
COVID-19
Interventions
COVID-19 Group Problem Solving, Standard of Care
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 14, 2026, 9:56 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Conversations You Want About Corona Virus Disease (COVID-19)

NCT05191420
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 14, 2026, 9:56 AM EDT