Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 9:26 AM EDT

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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
COVID-19
Interventions
Bronchoscopies and Bronchoalveolar Lavages (BALs), Chest Tomography (CT), Electrocardiogram (ECG), Pulmonary function tests (PFTs), 6 minute walk test (6MWT)
Procedure · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Withdrawn Not applicable Interventional

Lung Heart Rate Variability

NCT03674450
Conditions
Non Small Cell Lung Cancer
Interventions
Heart Rate Variability Biofeedback Training
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Obese
Interventions
Treadmill Test, Strength Test, Dual-Energy X-Ray Absorptiometry, Muscle Biopsy, Fat Biopsy, Resting Energy Expenditure, Magnetic resonance imaging
Diagnostic Test · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years to 45 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Recruiting No phase listed Observational Accepts healthy volunteers

100-Year Human Aging Study

NCT07563777
Conditions
Aging, Aging Well, All-Cause Mortality, Mortality, Metabolic Syndrome, Cardiovascular Diseases, Cognitive Dysfunction, Musculoskeletal Diseases, Neoplasms, Frailty, Activities of Daily Living, Health-Related Quality of Life, Disability Physical, Neuro-Degenerative Disease, Dementia
Interventions
Comprehensive Multi-System Clinical Screening
Diagnostic Test
Lead sponsor
Longevity Metrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2099
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
Coronary Artery Disease
Interventions
cCTA with selective FFRct
Diagnostic Test
Lead sponsor
HeartFlow, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Lake Charles, Louisiana
Completed Not applicable Interventional Accepts healthy volunteers

MusculRA: The Effects of Rheumatoid Arthritis on Skeletal Muscle Biomechanics

NCT04226131
Conditions
Rheumatoid Arthritis, Healthy Controls
Interventions
Blood Draw, Disease Activity (DAS-28) Assessment, Skeletal Muscle Mitochondrial Respiratory Capacity, Muscle Biopsy, Body Composition, Cardiopulmonary Exercise Test (CPET), Strength Testing, Questionnaires, Skeletal Muscle Biomechanical Property Assessment
Other
Lead sponsor
Duke University
Other
Eligibility
25 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Lymphoma, Sarcoma
Interventions
Electrocardiogram, Echocardiogram, LVEF echocardiogram, Apple Watch, Biospecimen collection, Questionnaires, Cardio-pulmonary exercise test, 6 minute walk test, Grip strength test
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Cardiovascular Diseases, Post-Exercise Hypotension
Interventions
GEST
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
21 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Hartford, Connecticut
Conditions
Atrial Fibrillation
Interventions
Metformin, Recommendations for lifestyle modification., AliveCor
Drug · Behavioral · Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Veterans Referred to the St. Louis VAMC Stress Tes
Interventions
Regadenoson myocardial perfusion imaging stress test, Arm exercise electrocardiographic stress test, Treadmill electrocardiographic stress test, Coronary artery calcium score and cardiac computed tomographic angiography
Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 100 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Cardiac Ischemia, Chest Pain, Shortness of Breath
Interventions
12-lead holter monitor application
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Systemic Lupus Erythematosus
Interventions
Preventive Cardiology, Usual Care
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
19 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Neural Control of Kidney Blood Flow During Exercise in African American Adults

NCT03981640
Conditions
Healthy
Interventions
Acute exercise, Cold pressor test, Mental stress test
Other
Lead sponsor
University of Massachusetts, Boston
Other
Eligibility
18 Years to 35 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Pathologically Proven Gastrointestinal Malignancy, Plan of Care Must Include Chemoradiation
Interventions
Cardiopulmonary Exercise Test (CPET)
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Non-Alcoholic Fatty Liver Disease (NAFLD), Nonalcoholic Steatohepatitis (NASH)
Interventions
Positron Emission Tomography (PET) on EXPLORER, Magnetic Resonance Imaging, Echocardiogram and Electrocardiogram, Blood test
Radiation · Diagnostic Test
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Sacramento, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Kidney Blood Flow During Exercise in Older African American Adults

NCT07029165
Conditions
Healthy
Interventions
Acute exercise, Cold pressor test, Mental stress test
Other
Lead sponsor
University of Massachusetts, Boston
Other
Eligibility
55 Years to 79 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Chest Pain, Acute Myocardial Infarction
Interventions
Electronic risk alerts
Other
Lead sponsor
Harvard Vanguard Medical Associates
Other
Eligibility
30 Years and older
Enrollment
8,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
2
States / cities
Boston, Massachusetts • Newton, Massachusetts
Conditions
Left Branch Bundle Block, RV - Right Ventricular Abnormality
Interventions
Pacemaker Interrogation and Electrocardiogram (ECG):, Cardiopulmonary Exercise Test (CPET) and Exercise Stress Cardiac Magnetic Resonance (ExeCMR, Continuous pacemaker telemetry (CPT)
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Completed Not applicable Interventional Accepts healthy volunteers Results available

ECG App Algorithms Clinical Validation Study

NCT04247581
Conditions
Atrial Fibrillation
Interventions
1-lead ECG
Device
Lead sponsor
Apple Inc.
Industry
Eligibility
22 Years and older
Enrollment
546 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
4
States / cities
Phoenix, Arizona • Coral Gables, Florida • Avon, Indiana + 1 more
Conditions
Chest Pain
Interventions
Coronary Angiography, Stress Echocardiogram, Nuclear Stress Test, Exercise Electrocardiogram
Procedure
Lead sponsor
Duke University
Other
Eligibility
45 Years and older
Enrollment
10,003 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Multiple Myeloma, Heart Disease Risk Factors
Interventions
Oncology-Embedded Cardiovascular Risk Assessment Pathway, Primary Care Provider-Directed Cardiovascular Risk Assessment Pathway
Other
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2028
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Congenital Abnormalities, Pulmonary Arterial Hypertension (PAH), Orthotopic Heart Transplant, Cardiac Rehabilitation, Pediatric Cardiology, Telehealth, Telerehabilitation
Interventions
Pediatric Cardiac Telerehabilitation, Fitness Tracker Only
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
10 Years to 25 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
Hairy Cell Leukemia
Interventions
Cladribine, Rituximab, BMbx, MRI, EKG, Echocardiogram, Abdominal/splenic ultrasound, Stress test
Drug · Procedure · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Obesity
Interventions
Lifestyle intervention, Health education control, Individual, All Groups
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 75 Years
Enrollment
631 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
14
States / cities
Bronson, Florida • Bunnell, Florida • Cross City, Florida + 11 more