Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 4, 2026, 6:39 PM EDT

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Showing 25–48 of 110 matching trials from the live ClinicalTrials.gov search.
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
11
States / cities
Duarte, California • Orange, California • Washington D.C., District of Columbia + 8 more
Completed No phase listed Observational Accepts healthy volunteers

Measuring Cortisol Levels in Persons With Parkinson's (PD)

NCT02727270
Conditions
Parkinson Disease, Huntington Disease
Interventions
No Intervention - Observational Study
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 99 Years
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
2
States / cities
Portland, Oregon
Completed No phase listed Observational Accepts healthy volunteers

Epidemiology, Immunology and Clinical Characteristics of COVID-19 (EPIC3)

NCT05764083
Conditions
SARS-CoV-2, COVID-19
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
2,824 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Impact of the COVID-19 Pandemic and HRQOL in Cancer Patients and Survivors

NCT04447222
Conditions
COVID-19 Infection, Malignant Solid Neoplasm
Interventions
Quality-of-Life Assessment, Questionnaire Administration, Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
1,242 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Houston, Texas
Conditions
Covid19, Aspergillosis, Fungal Infection
Interventions
Observation to monitor patients for these infections
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
COVID, COVID19, SARS-CoV 2, Dyspnea
Interventions
Data Collection
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
11,973 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Denver, Colorado
Completed No phase listed Observational Accepts healthy volunteers

Feasibility of Rapid COVID-19 Testing in Disadvantaged Populations

NCT04558307
Conditions
Coronavirus Disease (COVID-19)
Interventions
Pilot a rapid SARS-CoV-2 testing strategy, Community-driven messages to promote COVID-19 testing
Diagnostic Test · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Completed No phase listed Observational Accepts healthy volunteers

Retail COVID-19 Study

NCT06761612
Conditions
COVID - 19
Interventions
FDA approved mRNA vaccines
Biological
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
3 Years and older
Enrollment
2,519 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
20
States / cities
Kissimmee, Florida • Chicago, Illinois • Oak Park, Illinois + 15 more
Conditions
Advanced Malignant Solid Neoplasm, COVID-19 Infection, Hematopoietic and Lymphoid Cell Neoplasm, Locally Advanced Malignant Solid Neoplasm, Metastatic Malignant Solid Neoplasm, Recurrent Hematologic Malignancy, Recurrent Malignant Solid Neoplasm
Interventions
Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Houston, Texas
Completed No phase listed Observational Accepts healthy volunteers

A COVID-19 Symptom, Exposure and Immune Response Registry

NCT04348942
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
ObvioHealth
Industry
Eligibility
18 Years and older
Enrollment
804 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Orlando, Florida
Not listed No phase listed Observational Accepts healthy volunteers

The Covid-19 HEalth caRe wOrkErS (HEROES) Study

NCT04352634
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
Conditions
COVID-19
Interventions
Initiation of IL6Ri (tocilizumab or sarilumab) versus JAKi (baricitinib or tofacitinib) added to systemic corticosteroids of interest (CSI)
Drug
Lead sponsor
Aetion, Inc.
Other
Eligibility
18 Years and older
Enrollment
1,442 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
New York, New York
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
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
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
COVID-19, Coronavirus
Interventions
Not listed
Lead sponsor
Target PharmaSolutions, Inc.
Industry
Eligibility
18 Years and older
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Seattle, Washington
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
COVID-19
Interventions
Moderna COVID-19 Vaccine, Moderna mRNA1273.222 Booster, Pfizer COVID-19 Vaccine, Moderna 2023 Updated COVID-19 vaccine (XBB.1.5), Pfizer 2023 Updated COVID-19 vaccine (XBB.1.5)
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,713 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Culver City, California
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
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
Pregnancy
Interventions
Observational
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Atlanta, Georgia • Boston, Massachusetts • Durham, North Carolina + 1 more
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
Completed No phase listed Observational Accepts healthy volunteers

Safety of Pediatric COVID-19 Vaccination

NCT05157191
Conditions
Pain, Injection Site Reaction, Adverse Drug Event
Interventions
Observational
Other
Lead sponsor
Duke University
Other
Eligibility
5 Years to 15 Years
Enrollment
299 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
5
States / cities
Oakland, California • Atlanta, Georgia • New York, New York + 2 more
Terminated No phase listed Observational Accepts healthy volunteers

Moderna COVID-19 Vaccine mRNA-1273 Observational Pregnancy Outcome Study

NCT04958304
Conditions
SARS-CoV-2
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Durham, North Carolina