Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 8, 2026, 11:16 AM EDT

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Showing 49–72 of 110 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Accepts healthy volunteers

Efficacy and Safety of COVID-19 Vaccine in Cancer Patients

NCT04865133
Conditions
COVID-19 Infection, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
COVID-19 Infection, Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
13,378 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Coronavirus
Interventions
Observation of patients with known, suspected, or at risk for COVID-19 infection
Other
Lead sponsor
xCures
Industry
Eligibility
18 Years and older
Enrollment
5,000 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Francisco, California
Conditions
Coronavirus
Interventions
observational
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Not listed
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
4
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Chicago, Illinois + 1 more
Conditions
Coronavirus Infection
Interventions
No intervention
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
5,154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

Long-Term Experience and Health Effects of COVID-19

NCT04477902
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
Conditions
COVID-19, SARS CoV 2 Virus, COVID-19 Pneumonia, COVID-19 Respiratory Infection, COVID-19 Acute Respiratory Distress Syndrome
Interventions
A&M Breathalyzer PROTECT Kiosk
Device
Lead sponsor
The Geneva Foundation
Other
Eligibility
18 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Conditions
Coronavirus, Coronavirus Infection, Corona Virus Infection, COVID, Sars-CoV2, Coronavirus as the Cause of Diseases Classified Elsewhere, SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere, COVID-19, Coronavirus Disease, Coronavirus Sars-Associated as Cause of Disease Classified Elsewhere
Interventions
No intervention
Other
Lead sponsor
OSF Healthcare System
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Peoria, Illinois
Conditions
SARS-CoV-2, COVID-19
Interventions
EVUSHELD
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years and older
Enrollment
4,232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
COVID, Neurologic Manifestations
Interventions
Observational study only
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
Up to 17 Years
Enrollment
3,568 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
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
Completed No phase listed Observational Accepts healthy volunteers Results available

COVID-19 Observational Research Collaboratory

NCT05394025
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
479 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
6
States / cities
West Haven, Connecticut • Ann Arbor, Michigan • Durham, North Carolina + 3 more
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
Conditions
SARS-CoV-2, COVID-19
Interventions
Evusheld
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years and older
Enrollment
5,814 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
SARS-CoV-2 Acute Respiratory Disease
Interventions
SARS-CoV-2
Other
Lead sponsor
Everly Health
Industry
Eligibility
18 Years and older
Enrollment
1,883 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Austin, Texas
Conditions
Airway Management, COVID19
Interventions
airway management during sedation or general anesthesia
Procedure
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 18 Years
Enrollment
14,835 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Covid19, Kidney Diseases, Inflammation, SARS-CoV Infection
Interventions
Biomarkers of inflammation
Diagnostic Test
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
3,402 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Lung Injury, ARDS, Acute Cardiac Event, Covid19, Ultrasound, Hypoxemia, Acute Respiratory Distress Syndrome
Interventions
Point of Care Ultrasound
Diagnostic Test
Lead sponsor
Olive View-UCLA Education & Research Institute
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
Los Angeles, California • Sylmar, California • New York, New York + 1 more
Conditions
COVID-19 Infection, Melanoma
Interventions
Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
1,152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Houston, Texas
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 and Mental Health

NCT04407195
Conditions
COVID-19, Mental Health Disorder
Interventions
Exposure to the SARS-CoV-2
Other
Lead sponsor
Northeastern University
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Active, not recruiting No phase listed Observational

Pain in Long COVID-19: the Role of Sleep

NCT05606211
Conditions
Long COVID
Interventions
No intervention
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Results available

A Prospective "Universal" Observational Database for COVID-19

NCT04347993
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
Not listed
Enrollment
4,588 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Hackensack, New Jersey
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
Conditions
COVID-19
Interventions
KB109 + Self Supportive Care, Self Supportive Care (SSC) Alone
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years and older
Enrollment
333 participants
Timeline
2021
U.S. locations
2
States / cities
Hot Springs, Arkansas • Chicago, Illinois