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ClinicalTrials.gov public records Last synced Oct 26, 2026, 4:41 AM EDT

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Showing 937–960 of 2,349 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Covid19 Clear all
Completed Not applicable Interventional Results available

Use of Construal Level Theory to Inform Messaging to Increase Vaccination Against COVID-19

NCT04871776
View directory record Official record
Conditions
Covid19, Vaccine Refusal
Interventions
Messaging informed by construal level theory, Usual Care
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
3,671 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Oct 26, 2026, 4:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Getting to Yes, Michigan! (G2YMI)

NCT05096260
View directory record Official record
Conditions
COVID-19 Vaccines, COVID-19 Pandemic
Interventions
Motivational Interviewing based SMS/MMS and web content
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
1,180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 26, 2026, 4:41 AM EDT
Completed Phase 2 Interventional Results available

Hormonal Intervention for the Treatment in Veterans With COVID-19 Requiring Hospitalization

NCT04397718
View directory record Official record
Conditions
COVID-19
Interventions
Degarelix, Saline
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 85 Years · Male only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
14
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Long Beach, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Oct 26, 2026, 4:41 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 26, 2026, 4:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Information Provision and Consistency Framing to Increase COVID-19 Booster Uptake

NCT05586178
View directory record Official record
Conditions
COVID-19, Vaccines
Interventions
Reminder that facilitates action, Consistency framing, Information provision about the uniqueness of the bivalent booster, Information provision about bivalent booster eligibility, Information provision about the severity of COVID-19 symptoms
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
177,720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Oct 26, 2026, 4:41 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

SCIVAX: Biomarkers of Immune Dysfunction and Vaccine Responsiveness in Chronic SCI

NCT05869968
View directory record Official record
Conditions
Spinal Cord Injuries, Traumatic Spinal Cord Injury, Healthy Controls, Flu Vaccine, COVID-19 Vaccine
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 89 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 26, 2026, 4:41 AM EDT
Not yet recruiting Phase 2 Interventional

Self-Amplifying mRNA COVID-19 Vaccine (LUNAR-COV19) Versus Comirnaty Vaccine in Adult Hematopoietic Cell Transplant Patients

NCT07390968
View directory record Official record
Conditions
Hematopoietic and Lymphatic System Neoplasm
Interventions
SARS-CoV-2 mRNA Vaccine ARCT-021, Tozinameran, Biospecimen Collection, Electronic Health Record Review, Survey Administration
Biological · Procedure · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 26, 2026, 4:41 AM EDT
Completed Not applicable Interventional

Restoring Energy With Sub-symptom Threshold Optimized Rehabilitation Exercise for Long COVID

NCT06172803
View directory record Official record
Conditions
Long Covid19, Exercise Intolerance, Riboflavin-Responsive
Interventions
Restoring Energy with Sub-symptom Threshold Aerobic Rehabilitation Exercise, Light Stretching/Breathing Exercises
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Oct 26, 2026, 4:41 AM EDT
Not listed No phase listed Observational

Global Assessment of Acute and Chronic Kidney Disease Incidence and Outcomes in Patients With COVID-19 Infection

NCT04491227
View directory record Official record
Conditions
Covid19, AKI, CKD, ESRD, Transplant;Failure,Kidney
Interventions
Not listed
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
5
States / cities
Birmingham, Alabama • San Diego, California • Aurora, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2020 · Synced Oct 26, 2026, 4:41 AM EDT
Completed No phase listed Observational

Insulin Regulation and Severity of Severe Acute Respiratory Syndrome COVID-19 Infection

NCT05897528
View directory record Official record
Conditions
COVID-19, Diabetes Mellitus, COVID-19 Pneumonia, COVID-19 Respiratory Infection
Interventions
No Intervention
Other
Lead sponsor
Arrowhead Regional Medical Center
Other
Eligibility
18 Years to 99 Years
Enrollment
589 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Colton, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2023 · Synced Oct 26, 2026, 4:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

BCG Vaccine for Health Care Workers as Defense Against COVID 19

NCT04348370
View directory record Official record
Conditions
Coronavirus, Coronavirus Infection, Coronavirus as the Cause of Diseases Classified Elsewhere
Interventions
BCG Vaccine, Placebo Vaccine
Biological
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 75 Years
Enrollment
659 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
6
States / cities
Los Angeles, California • Bryan, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 26, 2026, 4:41 AM EDT
Completed No phase listed Observational

COVID19 Neurological Manifestation

NCT04496128
View directory record Official record
Conditions
SARS-CoV 2, Neurologic Manifestations
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2021 · Synced Oct 26, 2026, 4:41 AM EDT
Completed No phase listed Observational

Antimicrobial Resistance During the SARS-CoV-2 (COVID-19) Pandemic

NCT06334731
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 26, 2026, 4:41 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Antiviral Efficacy and Acceptability of Mouth Rinses for Inactivation of COVID-19

NCT04748783
View directory record Official record
Conditions
COVID19, Coronavirus Infection, SARS CoV-2 Infection
Interventions
Water, Peroxyl, Periogard, Colgate Total Zero
Other · Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 16, 2022 · Synced Oct 26, 2026, 4:41 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of a Combined Modified RNA Vaccine Candidate Against COVID-19 and Influenza.

NCT06178991
View directory record Official record
Conditions
Influenza, COVID-19
Interventions
Influenza and COVID-19 Combination A, Licensed influenza vaccine, COVID-19 Vaccine, Influenza and COVID-19 Combination B, Placebo, Investigational influenza vaccine
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years to 64 Years
Enrollment
8,795 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
106
States / cities
Athens, Alabama • Birmingham, Alabama • Mobile, Alabama + 76 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Oct 26, 2026, 4:41 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

hCT-MSCs for COVID19 ARDS

NCT04399889
View directory record Official record
Conditions
COVID, Corona Virus Infection, COVID19
Interventions
Human cord tissue mesenchymal stromal cells (hCT-MSC) manufactured by Duke University., Placebo
Biological · Other
Lead sponsor
Joanne Kurtzberg, MD
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
5
States / cities
Boca Raton, Florida • Miami, Florida • Valhalla, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 26, 2026, 4:41 AM EDT
Terminated Phase 2 Interventional Results available

Estradiol and Progesterone in Hospitalized COVID-19 Patients

NCT04865029
View directory record Official record
Conditions
Covid19
Interventions
Placebo injection and placebo pill, Estradiol Cypionate 5 mg/ml, Progesterone 200 mg Oral Capsule
Other · Drug
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Oct 26, 2026, 4:41 AM EDT
Completed Phase 3 Interventional Results available

AZD7442 for Inpatients With COVID-19 (An ACTIV-3/TICO Treatment Trial)

NCT05780437
View directory record Official record
Conditions
COVID-19
Interventions
AZD7442, Placebo, Remdesivir
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
1,455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
88
States / cities
Tucson, Arizona • Chula Vista, California • Fresno, California + 59 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Oct 26, 2026, 4:41 AM EDT
Completed No phase listed Observational

Index Individuals in SARS-CoV-2 Prevention Research Studies (COVID-19 Index Individuals Companion Study)

NCT05074719
View directory record Official record
Conditions
SARS-CoV-2 Infection, COVID-19, Coronavirus Infection, SARS (Severe Acute Respiratory Syndrome)
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
10 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 15, 2021 · Synced Oct 26, 2026, 4:41 AM EDT
Terminated Not applicable Interventional Results available

Hyperbaric Oxygen for COVID-19 Patients

NCT04332081
View directory record Official record
Conditions
COVID-19
Interventions
hyperbaric oxygen therapy (HBOT)
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Oct 26, 2026, 4:41 AM EDT
Completed Not applicable Interventional

Mind Body Intervention for COVID-19 Long Haul Syndrome

NCT04854772
View directory record Official record
Conditions
COVID-19 Long Haul Syndrome
Interventions
Mind Body Syndrome Therapy for Long Covid
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2022 · Synced Oct 26, 2026, 4:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers of Trained Immunity Following MMR Vaccination

NCT04646239
View directory record Official record
Conditions
Covid19
Interventions
Heterologous stimuli, Neutralization assay
Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 26, 2021 · Synced Oct 26, 2026, 4:41 AM EDT
Completed No phase listed Observational

Genetics of COVID-19 Susceptibility and Manifestations

NCT04371432
View directory record Official record
Conditions
COVID-19, Coronavirus 2019
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
1 Month to 110 Years
Enrollment
721 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 26, 2026, 4:41 AM EDT