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ClinicalTrials.gov public records Last synced Oct 18, 2026, 3:12 PM EDT

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Showing 385–408 of 700 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: ECG Clear all
Completed No phase listed Observational

Assessment of S-ICD Eligibility With 12-Lead ECG

NCT03209726
View directory record Official record
Conditions
Implantable Defibrillator User
Interventions
Not listed
Lead sponsor
Larisa Tereshchenko
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 1, 2021 · Synced Oct 18, 2026, 3:12 PM EDT
Completed No phase listed Observational

Effect of Dexmedetomidine on QT Interval in Pediatric Patients Under General Anesthesia

NCT01917786
View directory record Official record
Conditions
Surgery
Interventions
ECG
Device
Lead sponsor
Senthil G. Krishna
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 8, 2016 · Synced Oct 18, 2026, 3:12 PM EDT
Completed Not applicable Interventional

Study Comparing In-laboratory Polysomnography Electrocardiogram (PSG ECG) to Simultaneously Recorded In-laboratory ECG on the CPC M1 Device

NCT01234077
View directory record Official record
Conditions
Sleep Disorder
Interventions
CPC M1
Device
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Oct 18, 2026, 3:12 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Effect of Ha44 Gel on the Electrocardiogram in Healthy Volunteers

NCT01518699
View directory record Official record
Conditions
Pediculosis
Interventions
Ha44, Ha44 Placebo, Moxifloxacin Placebo, Moxifloxacin
Drug
Lead sponsor
Dr. Reddy's Laboratories Limited
Industry
Eligibility
18 Years to 50 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 9, 2021 · Synced Oct 18, 2026, 3:12 PM EDT
Completed No phase listed Observational

Evaluating Electrocardiogram (ECG) Abnormalities From Young Adulthood Through Middle Age

NCT00556751
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
5,115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1985 – 2006
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Oct 18, 2026, 3:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MusculRA: The Effects of Rheumatoid Arthritis on Skeletal Muscle Biomechanics

NCT04226131
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Oct 18, 2026, 3:12 PM EDT
Completed No phase listed Observational

Methadone-Induced QT Interval Prolongation in a Narcotic Treatment Center

NCT02898337
View directory record Official record
Conditions
QT Interval Prolongation
Interventions
AliveCor handheld mobile ECG
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Oct 18, 2026, 3:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Maestro Handheld Cardiac Monitor Validation

NCT02977104
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
Maestro ECG
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 8, 2017 · Synced Oct 18, 2026, 3:12 PM EDT
Recruiting No phase listed Observational

Clinical Assessment and Targeted Imaging to Characterize High-Risk Atherosclerotic Cardiovascular Disease of Survivors in SJLIFE

NCT07594392
View directory record Official record
Conditions
Atherosclerotic Cardiovascular Disease
Interventions
Coronary Artery Calcium Scan, Carotid Artery Ultrasound, Lipoprotein(a) Measurement, Vascular Function Testing
Diagnostic Test
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 18, 2026, 3:12 PM EDT
Completed Phase 4 Interventional Results available

Diltiazem in Jervell and Lange-Nielsen Syndrome

NCT06534671
View directory record Official record
Conditions
Jervell and Lange Nielsen Syndrome
Interventions
diltiazem
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 18, 2026, 3:12 PM EDT
Recruiting Phase 1 Interventional

UC-MSC Cell Therapy Study for Systemic Lupus Erythematosus (SLE) Patients

NCT06737380
View directory record Official record
Conditions
SLE, Lupus, Systemic Lupus Erthematosus, Systemic Lupus Erythematosus, Systemic Lupus Erythematosus (SLE)
Interventions
Physical examination, Electrocardiogram, SF-36 questionnaire, Clinical laboratory evaluations - Serology, Clinical laboratory evaluations - Biochemistry, Clinical laboratory evaluations - Hematology, Pregnancy Test, Urinalysis, SLE activity evaluation, SLE biomarker profiling, Cytokines and chemokine profiling, single dose of UC-MSCs, PROMIS instruments
Diagnostic Test · Other · Biological
Lead sponsor
LiveKidney.Bio
Industry
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 18, 2026, 3:12 PM EDT
Recruiting No phase listed Observational

Proximal Risk for Suicide in Adolescents

NCT06400810
View directory record Official record
Conditions
Suicide, Mental Health Issue
Interventions
Analog Devices Inc.
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
13 Years to 17 Years
Enrollment
144 participants
Timeline
2023 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 18, 2026, 3:12 PM EDT
Completed No phase listed Observational

Aortic Distensibility

NCT00587977
View directory record Official record
Conditions
Abdominal Aortic Aneurysm
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 9, 2012 · Synced Oct 18, 2026, 3:12 PM EDT
Completed No phase listed Observational

Imaging Cardiac Electrical Remodeling With Electrocardiogram Imaging (ECGI)

NCT00785564
View directory record Official record
Conditions
Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Oct 18, 2026, 3:12 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

100-Year Human Aging Study

NCT07563777
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 18, 2026, 3:12 PM EDT
Not yet recruiting No phase listed Observational

A Prospective Analysis To Assess The Potential Use Of ECGio In Clinical Practice

NCT07405866
View directory record Official record
Conditions
AI-algorithm Usage
Interventions
AI-Assistive Algorithm
Device
Lead sponsor
Heart Input Output Inc
Industry
Eligibility
18 Years to 89 Years
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
4
States / cities
Bensalem, Pennsylvania • Philadelphia, Pennsylvania • Springfield, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 18, 2026, 3:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Spire Medical Health Tag Respiratory Rate Validation in Adults

NCT04104737
View directory record Official record
Conditions
Respiratory Rate
Interventions
Spire Medical Health Tag
Device
Lead sponsor
Spire, Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
2
States / cities
San Francisco, California • Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 30, 2019 · Synced Oct 18, 2026, 3:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Validation of the Performance of the Electrocardiogram (ECG) Function in the Masimo INVSENSOR00057

NCT06071754
View directory record Official record
Conditions
Healthy, Atrial Fibrillation
Interventions
Masimo INVSENSOR00057
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
22 Years and older
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
4
States / cities
Irvine, California • Laguna Hills, California • Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Oct 18, 2026, 3:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Absorption, Metabolism and Excretion of Dietary Polyphenolic Bioactives in Humans

NCT03194620
View directory record Official record
Conditions
Healthy
Interventions
Thearubigins, Theaflavins, Procyanidin Dimer B2 (DB2), (-)-Epigallocatechin-3-O-gallate (EGCG), (-)-Epicatechin-3-O-gallate (ECG), (-)-Epicatechin (EC), (-)-Epigallocatechin (EGC), Control
Other
Lead sponsor
University of California, Davis
Other
Eligibility
25 Years to 60 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Oct 18, 2026, 3:12 PM 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 18, 2026, 3:12 PM EDT
Recruiting Not applicable Interventional

Effect of TEAS on PONV After Spinal Surgery

NCT03187535
View directory record Official record
Conditions
PONV
Interventions
TEAS via ES-130, No TEAS
Device · Other
Lead sponsor
Jyoti Pandya
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 18, 2026, 3:12 PM EDT
Not listed Phase 4 Interventional

Magnesium to Reduce Implantable Cardioverter Defibrillator (ICD) Shocks and Improve Patient's Quality of Life.

NCT00282620
View directory record Official record
Conditions
Arrhythmia, Quality of Life, Hypomagnesemia
Interventions
Magnesium L-lactate
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 20, 2007 · Synced Oct 18, 2026, 3:12 PM EDT
Completed Early Phase 1 Interventional

Human Brain Mapping of the Apparent Diffusion Coefficient (ADC) During Sleep and Wakefulness

NCT02311374
View directory record Official record
Conditions
Brain Mapping
Interventions
Brain connectivity and physiology, Brain Wave
Other
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 18, 2026, 3:12 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Noninvasive Monitor of Vascular Volume Fluid Shifts

NCT05080881
View directory record Official record
Conditions
Blood Loss
Interventions
phonocardiographic measurement: InnoVital Systems, phonocardiographic measurement: ThinkLabs StethOne, physiological measurements: BIOPAC, physiological measurements: Masimo Radical-7, physiological measurements: CoVa Monitoring System 2, Thoracic impedance
Diagnostic Test
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 49 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 25, 2023 · Synced Oct 18, 2026, 3:12 PM EDT