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ClinicalTrials.gov public records Last synced Oct 8, 2026, 9:20 AM EDT

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Showing 97–120 of 359 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Electrocardiogram (EKG) Clear all
Completed No phase listed Observational Accepts healthy volunteers

Myocardial Ischemia Detection for Early Identification of Patients With Ischemic Chest Pain

NCT02055443
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 8, 2026, 9:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Atrial Fibrillation (AF) and Electrocardiogram (EKG) Interpretation Project ECHO

NCT05890274
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
AF and EKG Interpretation Project ECHO
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
3
States / cities
Chapel Hill, North Carolina • Durham, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 8, 2026, 9:20 AM EDT
Completed Phase 2 Interventional Results available

Superenhancer Inhibitor Minnelide in Advanced Refractory Adenosquamous Carcinoma of the Pancreas (ASCP)

NCT04896073
View directory record Official record
Conditions
Adenosquamous Carcinoma of the Pancreas
Interventions
Minnelide, ECG, CT/MRI, Tumor Biopsy
Drug · Diagnostic Test · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 8, 2026, 9:20 AM EDT
Completed No phase listed Observational

Evaluation of Cardiorespiratory Events in Subjects Undergoing an Upper and/or Lower Endoscopy Under Current Sedation Practices

NCT00559260
View directory record Official record
Conditions
Sedation for Non-Emergent Upper and/or Lower Endoscopy
Interventions
Passive monitoring with pulse-oximetry, NIBP and ECG
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 15, 2008 · Synced Oct 8, 2026, 9:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Use of Wearable Digital Sensors After mRNA Vaccination in Adults

NCT05440318
View directory record Official record
Conditions
Healthy Participants
Interventions
Wireless wearable digital devices
Device
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
4
States / cities
Lenexa, Kansas • Lincoln, Nebraska • Austin, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced Oct 8, 2026, 9:20 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Atrial Fibrosis in Obstructive Sleep Apnea Patients: A Pilot Study

NCT04814420
View directory record Official record
Conditions
Atrial Fibrillation, Obstructive Sleep Apnea
Interventions
Delayed enhancement magnetic resonance imaging (DE-MRI)
Device
Lead sponsor
Tulane University
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
3
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 8, 2026, 9:20 AM EDT
Completed No phase listed Observational

Cardiac Disease and the Electrocardiogram in SCI Patients

NCT00013325
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Cardiac Disease
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 21, 2009 · Synced Oct 8, 2026, 9:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pulse Oximeter Validation Study for the Perin Health Patch

NCT07027150
View directory record Official record
Conditions
Hypoxia
Interventions
Chest Worn Pulse Oximeter
Device
Lead sponsor
Perin Health Devices
Industry
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Oct 8, 2026, 9:20 AM EDT
Completed Not applicable Interventional

Safety and Effectiveness of a Virtual Pediatric Cardiac Rehabilitation Program or Telerehabilitation in Children With Heart Disease

NCT06819059
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Oct 8, 2026, 9:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Safety Study to Assess the Effects of Therapeutic and Supratherapeutic Exenatide Concentrations on QT Interval in Healthy Subjects

NCT01297062
View directory record Official record
Conditions
Healthy Subjects
Interventions
Exenatide, Moxifloxacin, Placebo comparator
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Daytona Beach, Florida • Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Oct 8, 2026, 9:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of a Novel Convolution Neural Network for Arrhythmia Classification

NCT03662802
View directory record Official record
Conditions
Arrhythmias, Cardiac, Cardiac Arrest, Cardiac Arrythmias
Interventions
Neural Network Classifier
Other
Lead sponsor
Scripps Clinic
Other
Eligibility
Not listed
Enrollment
25,458 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2020 · Synced Oct 8, 2026, 9:20 AM EDT
Completed Not applicable Interventional

Rural Lifestyle Eating and Activity Program (Rural LEAP)

NCT02054624
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 14, 2021 · Synced Oct 8, 2026, 9:20 AM EDT
Completed Not applicable Interventional

The Influence of Cardiorespiratory Fitness on Firefighter Cardiovascular Health Under Exercise Conditions

NCT04514354
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 14, 2020 · Synced Oct 8, 2026, 9:20 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

NOrthwestern Tempus AI-enaBLed Electrocardiography (NOTABLE) Trial

NCT06511505
View directory record Official record
Conditions
Atrial Fibrillation, Cardiovascular Diseases, Arrhythmia, Valvular Disease
Interventions
Risk-Based Assessment for Cardiac Dysfunction
Device
Lead sponsor
Northwestern University
Other
Eligibility
40 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 8, 2026, 9:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Liraglutide on Heart Frequency in Healthy Volunteers

NCT01516255
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
liraglutide, placebo, moxifloxacin, electrocardiogram (ECG)
Drug · Procedure
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years to 45 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Oct 8, 2026, 9:20 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Autonomic and Cytokines Profiles of Patients With Ulcerative Proctitis

NCT03259659
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
ECG recording, inflammatory cytokines, microbiota, ulcerative colitis disease activity index
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 31, 2020 · Synced Oct 8, 2026, 9:20 AM EDT
Completed No phase listed Observational

ECG Methods for the Prompt Identification of Coronary Events

NCT04237688
View directory record Official record
Conditions
Chest Pain, Myocardial Infarction, Myocardial Ischemia, Acute Coronary Syndrome
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
6,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2024 · Synced Oct 8, 2026, 9:20 AM EDT
Terminated Phase 2 Interventional Results available

Immune Checkpoint Inhibitor Nivolumab in People With Recurrent Select Rare CNS Cancers

NCT03173950
View directory record Official record
Conditions
Medulloblastoma, Ependymoma, Pineal Region Tumors, Choroid Plexus Tumors, Atypical/Malignant Meningioma
Interventions
Nivolumab, EKG, MRI Brain and/or spine, Body CT Scan, MDASI-BT, MDASI-SP
Drug · Diagnostic Test · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
3
States / cities
Chicago, Illinois • Bethesda, Maryland • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 8, 2026, 9:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of ECG Transmission and AI Models Using Apple Watch ECGs and Symptoms Data Collected Using a Mayo iPhone App

NCT05324566
View directory record Official record
Conditions
Heart Failure, Arrhythmias, Cardiac, Health Care Utilization
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
4,163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 8, 2026, 9:20 AM EDT
Completed No phase listed Observational

Smartphone Twelve Lead Electrocardiogram Utility In ST-Elevation Myocardial Infarction

NCT02498405
View directory record Official record
Conditions
ST Segment Elevation Myocardial Infarction
Interventions
Not listed
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Oct 8, 2026, 9:20 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Atrial Fibrillation Risk Estimation With Single-lead Handheld Electrocardiograms

NCT07468123
View directory record Official record
Conditions
Atrial Fibrillation (AF)
Interventions
1L ECG screening, Patch monitor
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 8, 2026, 9:20 AM EDT
Completed Not applicable Interventional

A One Visit Follow Up of Adults With Fabry Disease Who Started Long-term Enzyme Replacement Therapy As Children

NCT04002531
View directory record Official record
Conditions
Quality of Life, Renal Insufficiency, Cardiac Event
Interventions
General and Neurological examination, Vital signs, 12 lead electrocardiogram, Echocardiogram, Blood draw, Urine collection, 2-hour Holter Monitor, Brief Pain Inventory questionnaire, Quality of Life questionnaire
Other · Procedure
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 8, 2026, 9:20 AM EDT
Completed Not applicable Interventional Results available

The PRECISE Protocol: Prospective Randomized Trial of the Optimal Evaluation of Cardiac Symptoms and Revascularization

NCT03702244
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 29, 2023 · Synced Oct 8, 2026, 9:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Cardiac Effects of Danicopan in Healthy Adults

NCT05016206
View directory record Official record
Conditions
Healthy
Interventions
Danicopan, Moxifloxacin-matching Placebo, Danicopan-matching placebo, Moxifloxacin
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Oct 8, 2026, 9:20 AM EDT