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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:01 PM EDT

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Showing 1–24 of 435 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: EKG Clear all
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 17, 2026, 6:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Electrocardiogram Effects and Pharmacokinetics of Ferumoxytol in Healthy Men and Women

NCT00360425
View directory record Official record
Conditions
Anemia
Interventions
ferumoxytol, moxifloxacin, placebo
Drug
Lead sponsor
AMAG Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
174 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Oct 17, 2026, 6:01 PM EDT
Withdrawn Not applicable Interventional

Effects of CRT Optimization as Assessed by Cardiac MR

NCT04763460
View directory record Official record
Conditions
Heart Failure, Systolic
Interventions
Programming of CRT device settings
Device
Lead sponsor
Minneapolis Heart Institute Foundation
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Minneapolis, Minnesota • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 17, 2026, 6:01 PM EDT
Completed Not applicable Interventional Results available

PROspective Multicenter Imaging Study for Evaluation of Chest Pain

NCT01174550
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 29, 2016 · Synced Oct 17, 2026, 6:01 PM EDT
Not yet recruiting No phase listed Observational

Analysis of ECGio to Predict Coronary Stenosis Against a Mixed Reference Standard

NCT07375810
View directory record Official record
Conditions
Coronary Artery Disease (CAD)
Interventions
AI-ECG Analysis
Device
Lead sponsor
Heart Input Output Inc
Industry
Eligibility
18 Years to 89 Years
Enrollment
978 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 17, 2026, 6:01 PM EDT
Completed Phase 1 Interventional

Alpha-Amino-3-Hydroxy-5-Methyl-4- Isoxazole Propionic Acid Receptor Components of the Anti-Depressant Ketamine Response, Pilot Trial

NCT03367533
View directory record Official record
Conditions
Depressive Disorder, Major, Post Traumatic Stress Disorder, Bipolar Disorder
Interventions
Ketamine, Perampanel, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 7, 2025 · Synced Oct 17, 2026, 6:01 PM EDT
Completed No phase listed Observational

Effect of the 3 Wishes Program on Bereaved Families' End-of-Life Care Perceptions

NCT05128799
View directory record Official record
Conditions
End of Life, Death
Interventions
3 Wishes Program (3WP)
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Los Angeles, California • Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Oct 17, 2026, 6:01 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Surface ECG Mapping

NCT04221958
View directory record Official record
Conditions
Electrocardiogram
Interventions
Electrocardiogram
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 17, 2026, 6:01 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Validation of Software for Assessment of Atrial Fibrillation From Data Acquired by a Wearable Smartwatch

NCT04176926
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Electrocardiogram
Diagnostic Test
Lead sponsor
Fitbit LLC
Industry
Eligibility
22 Years and older
Enrollment
472 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
9
States / cities
Washington D.C., District of Columbia • Orlando, Florida • The Villages, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced Oct 17, 2026, 6:01 PM EDT
Completed No phase listed Observational

Arrhythmias in Myotonic Muscular Dystrophy

NCT00622453
View directory record Official record
Conditions
Muscular Dystrophy, Arrhythmia, Sudden Cardiac Death
Interventions
Screening
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
448 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 14, 2018 · Synced Oct 17, 2026, 6:01 PM EDT
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, 6:01 PM 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, 6:01 PM 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, 6:01 PM 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, 6:01 PM 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, 6:01 PM 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, 6:01 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Cerebral Blood Flow and Childhood Obstructive Sleep Apnea

NCT02995837
View directory record Official record
Conditions
Obstructive Sleep Apnea Syndrome
Interventions
Sleep Study, Neurocognitive Testing, CBF During Wakefulness, CBF During Sleep
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years to 12 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Oct 17, 2026, 6:01 PM 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, 6:01 PM EDT
Withdrawn No phase listed Observational

A Pilot Trial of Scrambler Therapy for Pain Associated With Pancreas Cancer

NCT03707444
View directory record Official record
Conditions
Cancer Pancreas, Pain Syndrome, Cancer Related Pain
Interventions
Scrambler Therapy Device
Device
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 29, 2019 · Synced Oct 17, 2026, 6:01 PM 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, 6:01 PM 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, 6:01 PM 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, 6:01 PM 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, 6:01 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

The Effects of Castration on the Pharmacokinetics of Zolpidem After Single Dose Administration In Men With Prostate Cancer Undergoing Androgen Deprivation Therapy Compared to Normal Healthy Females

NCT03436745
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Zolpidem, ECG
Drug · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 17, 2026, 6:01 PM EDT