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ClinicalTrials.gov public records Last synced Oct 23, 2026, 8:38 PM EDT

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Showing 73–96 of 308 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: ECG Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

A Study of Mayo Clinic CV Research Heart & Voice Study

NCT07224685
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Voice Recording
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 23, 2026, 8:38 PM EDT
Active, not recruiting Not applicable Interventional

SyncAV Post-Market Trial

NCT04100148
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
SyncAV programmed ON, Fixed AV delay
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
1,686 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
30
States / cities
Huntsville, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 23, 2026, 8:38 PM EDT
Completed Phase 1 Interventional

A Clinical Study to Investigate the Effect of an Investigational Drug on Electrocardiogram Intervals in Adults With Schizophrenia.

NCT04369391
View directory record Official record
Conditions
Schizophrenia
Interventions
SEP363856 150 mg, Placebo, moxifloxacin 400 mg
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
7
States / cities
Little Rock, Arkansas • Long Beach, California • Pico Rivera, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Oct 23, 2026, 8:38 PM EDT
Completed No phase listed Observational Results available

Clinical Comparison of Electrocardiograms Collected Using an Ambulatory Holter

NCT02383667
View directory record Official record
Conditions
Electrocardiography
Interventions
Electrocardiogram holter
Device
Lead sponsor
University of Toledo Health Science Campus
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Oct 23, 2026, 8:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular Magnetic Resonance Imaging of Pediatric Normal Volunteers

NCT00353899
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
8 Years to 21 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Oct 23, 2026, 8:38 PM EDT
Recruiting No phase listed Observational

Ultra-High Frequency - Electrocardiogram (UHF-ECG) for the Diagnosis of Ventricular Electrical Dyssynchrony (VED)

NCT06641362
View directory record Official record
Conditions
Bradycardia, Heart Failure, Ventricular Dysfunction
Interventions
Ultra High Frequency Electrocardiogram (UHF-ECG)
Device
Lead sponsor
VDI Technologies
Industry
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Avondale, Arizona • Mesa, Arizona • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 23, 2026, 8:38 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Artificial Intelligence (AI) Enabled, Cloud-based ECG Diagnostic Solution (ZBPro) Feasibility Testing

NCT06013917
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
Cardiac Monitoring
Device
Lead sponsor
ZBeats INC
Industry
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 23, 2026, 8:38 PM EDT
Active, not recruiting Not applicable Interventional

Realtime Diagnosis From Electrocardiogram Artificial Intelligence-Guided Screening for Atrial Fibrillation With Long Follow-Up (REGAL)

NCT05923359
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Apple Watch
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 23, 2026, 8:38 PM EDT
Not listed Not applicable Interventional

Cryptogenic Stroke Study

NCT00861133
View directory record Official record
Conditions
Cryptogenic Stroke
Interventions
Sleuth AT Implantable ECG Monitoring System
Device
Lead sponsor
Transoma Medical
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 5, 2009 · Synced Oct 23, 2026, 8:38 PM EDT
Completed Phase 3 Interventional Results available

Study to Collect Safety and ECG Data on Brolucizumab 6 mg Intravitreal Treatment in Patients With Wet AMD

NCT03954626
View directory record Official record
Conditions
Age-Related Macular Degeneration, Macular Degeneration, Wet Macular Degeneration, Retinal Degeneration, Retinal Diseases, Eye Diseases
Interventions
brolucuzumab 6 mg IVT
Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
50 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
2
States / cities
Phoenix, Arizona • Abilene, Texas
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Oct 23, 2026, 8:38 PM EDT
Recruiting No phase listed Observational

Prospective Observational Study of the ICD in Sudden Cardiac Death Prevention

NCT00733590
View directory record Official record
Conditions
Heart Failure, Congestive, Death, Sudden, Cardiac, Arrhythmia, Cardiomyopathies
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 85 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2029
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 23, 2026, 8:38 PM EDT
Completed Phase 1 Interventional

Pilot Study of Lofexidine and Methadone Pharmacodynamic Interaction in Methadone Maintained Patients

NCT01558934
View directory record Official record
Conditions
Opioid Dependence, Methadone Withdrawal Syndrome
Interventions
Lofexidine HCl
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
18 Years to 60 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 23, 2018 · Synced Oct 23, 2026, 8:38 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Comparison of Resting Heart and Respiratory Rate Measurements Acquired by Contactless Radar Sensors, Electrocardiography, and Capnography

NCT04935190
View directory record Official record
Conditions
Vital Signs
Interventions
Vitalpercept
Diagnostic Test
Lead sponsor
DawnLight
Industry
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2021 · Synced Oct 23, 2026, 8:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Vascular Positioning System G4 Algorithm ECG Data Collection for Model Training Study

NCT05702515
View directory record Official record
Conditions
Peripheral ICC
Interventions
Digital ECG Data Collection
Other
Lead sponsor
Teleflex
Industry
Eligibility
21 Years and older · Male only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Oct 23, 2026, 8:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Three-phase Study That Will Compare the ECG Data Recorded Using the Test Device With the Data Recorded by a Reference Device, Evaluate the ECG Signal Quality of the Test Device Over a 10-day Simulated Use Period, and Assess the Effects of Variable ECG Electrode Placement for the Test Device

NCT07200232
View directory record Official record
Conditions
Healthy Subjects
Interventions
Phase 1 Test Device Sensor and Adhesive and Reference Device, Phase 2 Test Device ECG Signal quality over a 10-day simulated use period, Test Device Sensor and Adhesive Variable Placement
Device
Lead sponsor
Zywie, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 23, 2026, 8:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular Vulnerability to Particulate Exposure

NCT00013949
View directory record Official record
Conditions
Heart Disease, Lung Disease
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
50 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 4, 2006 · Synced Oct 23, 2026, 8:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Stress, EEG, ECG, and Chiropractic

NCT05245409
View directory record Official record
Conditions
Stress
Interventions
Chiropractic adjustment using an activator
Other
Lead sponsor
Life University
Other
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 2, 2024 · Synced Oct 23, 2026, 8:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Thorough QT/QTC (TQT) Clinical Trial to Evaluate the Effect of Zoliflodacin on Cardiac Repolarization in Healthy Male and Female Subjects

NCT03613649
View directory record Official record
Conditions
Electrocardiogram Repolarisation Abnormality, Gonococcal Infection
Interventions
AZD0914, Moxifloxacin, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2020 · Synced Oct 23, 2026, 8:38 PM EDT
Completed Phase 2 Interventional Results available

A Study to Assess the Potential Effects of a Single-Dose Administration of Trabectedin on the QT Intervals of the Electrocardiogram

NCT00786838
View directory record Official record
Conditions
Solid Tumor
Interventions
Trabectedin, Placebo
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
4
States / cities
Miami, Florida • Charlotte, North Carolina • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2014 · Synced Oct 23, 2026, 8:38 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Registry Study for the Evaluation of High-risk Cardiac Patients by WILLEM AI-based ECG Platform

NCT07333547
View directory record Official record
Conditions
High-risk Cardiac Patients
Interventions
Willem AI ECG assessment
Device
Lead sponsor
Idoven 1903 S.L.
Industry
Eligibility
18 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2036
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 23, 2026, 8:38 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Objective Assessment of the Effects of Shift Work on Drowsiness and Driving Impairment in Hospital Staff

NCT01672489
View directory record Official record
Conditions
Impaired Driving, Sleep Driving
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Oct 23, 2026, 8:38 PM EDT
Recruiting Not applicable Interventional

Multi-site Study of the Clinical Impact of an AI-assisted Approach to Referring Patients With Interstitial Lung Disease for Diagnostic Evaluation of Pulmonary Hypertension

NCT06911632
View directory record Official record
Conditions
Pulmonary Hypertension, Interstitial Lung Disease (ILD)
Interventions
ECG-based AI Device - Results Returned to Investigator, Echocardiogram and Right Heart Catheterization, ECG-based AI Device - Results Not Returned to Investigator
Device · Procedure
Lead sponsor
Tempus AI
Industry
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 32 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 23, 2026, 8:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety Study of Electrocardiogram (ECG) Effects of Sancuso® (Granisetron TDS)

NCT00890565
View directory record Official record
Conditions
Healthy
Interventions
granisetron
Drug
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
18 Years to 50 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Oct 23, 2026, 8:38 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Instantaneous EEG Changes Following Chiropractic Adjustment or Sham

NCT05864703
View directory record Official record
Conditions
Subluxation
Interventions
Adjustment, Sham
Procedure
Lead sponsor
Life University
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Marietta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 28, 2024 · Synced Oct 23, 2026, 8:38 PM EDT