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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:19 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 700 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: ECG Clear all
Withdrawn No phase listed Observational

RECORD-VP: Real-time Evaluation of Cardiac Outpatient Recording Device With VitalPatch RTM

NCT04556240
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
VitalConnect Platform
Device
Lead sponsor
VitalConnect Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chevy Chase, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional

Respiratory Disorders Non-invasive Monitoring of Work of Breathing in Outpatients

NCT04003415
View directory record Official record
Conditions
Copd, Asthma, Respiratory Effort, Contactless Vital Sign Monitoring
Interventions
Investigational Device: Contactless heart rate and respiratory rate monitor, Heart Rate (EKG) Monitor, Respiratory rate Monitor, Pulse Oximetry
Device · Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 17, 2026, 6:19 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiac Monitor Employee Study

NCT03826225
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
Not listed
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 8, 2019 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Effect of Bepirovirsen on Cardiac Conduction as Assessed by 12-lead Electrocardiogram in Healthy Volunteers

NCT06422767
View directory record Official record
Conditions
Hepatitis B
Interventions
Bepirovirsen, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 17, 2026, 6:19 AM EDT
Active, not recruiting No phase listed Observational

International Consortium for Multimodality Phenotyping in Adults With Non-compaction

NCT04424030
View directory record Official record
Conditions
Non-Compaction Cardiomyopathy
Interventions
Echocardiography, Magnetic resonance imaging (MRI), Computed tomography (CT)
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
3
States / cities
Palo Alto, California • Cleveland, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Validation Study: Extended Wear Performance of the Zio Monitor - SHASTA II

NCT07205367
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
Zio Monitor
Device
Lead sponsor
iRhythm Technologies, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
San Francisco, California • Deerfield, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional

Determination of Catheter Contact by Evaluation of Microelectrode Near-Field Signals

NCT02080975
View directory record Official record
Conditions
Cardiac Catheter Ablation, Atrial Flutter, Cardiac Arrhythmias
Interventions
Data Collection During Atrial Flutter Ablation
Other
Lead sponsor
David B. De Lurgio
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 22, 2016 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional Results available

Scripps Wired for Health Monitoring Study

NCT01975428
View directory record Official record
Conditions
Diabetes, Hypertension, Cardiac Arrhythmia
Interventions
DM Pgm + device, Control
Device · Behavioral
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2023 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 2 Interventional

Effect of Tenofovir DF on Bone Metabolism in Children

NCT00088309
View directory record Official record
Conditions
HIV Infections
Interventions
Eye exam, Oral exam, CT scan, Neuropsychological testing, Electrocardiogram, Echocardiogram
Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 17, 2026, 6:19 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Data Collection Study Using CS (CardiacSense) BP (Blood Pressure) Watch and Pillow Systems

NCT07749963
View directory record Official record
Conditions
Blood Pressure Monitoring
Interventions
CS BP Watch and CS BP Pillow Systems
Device
Lead sponsor
CardiacSense Ltd.
Industry
Eligibility
50 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 17, 2026, 6:19 AM EDT
Completed No phase listed Observational

MyoVista Measurements in Patients With Atherosclerosis and CAD

NCT02873052
View directory record Official record
Conditions
Coronary Artery Disease (CAD), Atherosclerosis
Interventions
MyoVista
Device
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 17, 2026, 6:19 AM EDT
Withdrawn Early Phase 1 Interventional

Electrocardiographic Mapping and Imaging

NCT01394965
View directory record Official record
Conditions
Cardiac Arrhythmia
Interventions
ECG electrodes
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 21, 2013 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vital Signs Patch: Automated Monitoring of Vital Signs Measurements in the In-Patient Hospital Setting

NCT02518100
View directory record Official record
Conditions
Automated Measurement of Vital Signs
Interventions
Vital Signs Patch (VSP) System 3-Lead (NEHB) Configuration, Vital Signs Patch (VSP) System 1-Lead (PAL) Configuration
Device
Lead sponsor
LifeWatch Services, Inc.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 12, 2017 · Synced Oct 17, 2026, 6:19 AM EDT
Completed No phase listed Observational

Prevalence of Chagas Disease in Immigrant Patients With Conduction Abnormalities on Electrocardiogram

NCT00453700
View directory record Official record
Conditions
Chagas Disease
Interventions
Trypanosoma cruzi serology
Procedure
Lead sponsor
Olive View-UCLA Education & Research Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional Results available

Home Telemonitoring In Patients After Myocardial Infarction

NCT04664881
View directory record Official record
Conditions
Myocardial Infarction, Heart Attack
Interventions
SmartHeart Device
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 11, 2025 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of Organic Guayusa Extract

NCT05928195
View directory record Official record
Conditions
Acute Physiological Effects of Organic Guayusa Extract
Interventions
Acute Moderate-Dose Guayusa Extract Supplementation, Acute High-Dose Guayusa Extract Supplementation, Placebo
Dietary Supplement
Lead sponsor
Nathaniel Jenkins
Other
Eligibility
18 Years to 45 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 5, 2023 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Validation of the Masimo Irregular Heartbeat Detection Algorithm in Participants Without Cardiovascular Disease

NCT07223164
View directory record Official record
Conditions
Healthy
Interventions
Masimo SET® and Masimo W1®
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 80 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 17, 2026, 6:19 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinical Performance of AFGen1

NCT06076798
View directory record Official record
Conditions
Atrial Fibrillation, Afib, ECG
Interventions
ECG co-measurement
Device
Lead sponsor
TriVirum, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep and Cardiovascular Health in Adolescence

NCT03727906
View directory record Official record
Conditions
Insomnia Type; Sleep Disorder
Interventions
No pre-sleep arousal manipulation, pre-sleep arousal down-regulation, pre-sleep arousal up-regulation
Other
Lead sponsor
SRI International
Industry
Eligibility
16 Years to 20 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Menlo Park, California
Source: ClinicalTrials.gov public record
Updated May 1, 2023 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 1 Interventional Results available

CD19/CD22 Chimeric Antigen Receptor (CAR) T Cells in Children and Young Adults With Recurrent or Refractory CD19/CD22-expressing B Cell Malignancies

NCT03448393
View directory record Official record
Conditions
Lymphoma, Non-Hodgkin, Leukemia, Lymphocytic, B Cell, B-Cell Lymphoma, B-Cell Leukemia, Acute Lymphoid Leukemia, B-Non Hodgkin Lymphoma, B-NHL, B-All, Acute Lymphoblastic Leukemia, Acute Lymphocytic Leukemia
Interventions
CD19/CD22 CAR T-Cells, Fludarabine, Cyclophosphamide, Apheresis, Anti-emetic, Diphenhydramine, Acetaminophen, ECG, ECHO, MRI Brain, Bone marrow biopsy, Cardiac MRI
Biological · Drug · Procedure + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
3 Years to 39 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 17, 2026, 6:19 AM EDT
Recruiting No phase listed Observational

Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal Demise

NCT03775954
View directory record Official record
Conditions
High Risk Pregnancy, Congenital Heart Disease, Fetal Hydrops, Twin Monochorionic Monoamniotic Placenta, Gastroschisis, Fetal Demise, Stillbirth, Fetal Arrhythmia, Long QT Syndrome, Intrauterine Fetal Death, Sudden Infant Death, Pregnancy Loss, Twin Twin Transfusion Syndrome, Birth Defect, Fetal Cardiac Anomaly, Fetal Cardiac Disorder, Fetal Death, Brugada Syndrome, Fetal Tachycardia
Interventions
Fetal Magnetocardiogram and Neonatal Electrocardiogram, Substudy only: Maternal/Infant Pharmacogenomic assessment postnatally
Diagnostic Test · Genetic
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Study in Healthy Volunteers to Evaluate the Safety of CardioPET™ in Detection of Coronary Artery Disease

NCT00413647
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
CardioPET
Drug
Lead sponsor
Fluoropharma, Inc.
Industry
Eligibility
50 Years to 85 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 12, 2013 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Not applicable Interventional Results available

Thumb vs Great Toe Recovery

NCT04312256
View directory record Official record
Conditions
Residual Neuromuscular Blockade
Interventions
TetraGraph
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Oct 17, 2026, 6:19 AM EDT
Completed Phase 2 Interventional Results available

A Trial of the Safety and Immunogenicity of the COVID-19 Vaccine (mRNA-1273) in Participants With Hematologic Malignancies and Various Regimens of Immunosuppression, and in Participants With Solid Tumors on PD1/PDL1 Inhibitor Therapy

NCT04847050
View directory record Official record
Conditions
Solid Tumor Malignancy, Hematologic Malignancy, Leukemia, Lymphoma, Multiple Myeloma
Interventions
Messenger ribonucleic acid (mRNA)-1273 Vaccine, Messenger ribonucleic acid (mRNA)-1273 Vaccine Booster, ECG, Antibiotics, Anti-viral agents, Anti-fungal agent, Anti-emetics
Biological · Diagnostic Test · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Oct 17, 2026, 6:19 AM EDT