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ClinicalTrials.gov public records Last synced Oct 29, 2026, 5:26 AM EDT

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Showing 289–312 of 370 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Conduction Defects Clear all
Completed No phase listed Observational

A Study to Determine the Feasibility of Wireless Electrocardiography

NCT02162394
View directory record Official record
Conditions
Atrial Fibrillation, Premature Atrial and Ventricular Beats, Conduction Defects, Normal Sinus Rhythm
Interventions
Observational ambulatory ECG monitoring
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Oct 29, 2026, 5:26 AM EDT
Recruiting Phase 1Phase 2 Interventional

ATR 1072 in Participants With PRKAG2 Syndrome

NCT07738107
View directory record Official record
Conditions
Cardiac Glycogenosis, Cardiomyopathy, Hypertrophic, Wolff-Parkinson-White Syndrome
Interventions
ATR 1072
Drug
Lead sponsor
Atrium Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Phase 4 Interventional Results available

RIGHT: Rhythm ID Going Head-to-Head Trial

NCT00148954
View directory record Official record
Conditions
Tachycardia
Interventions
VITALITY 2 Implantable Cardioverter Defibrillator, Medtronic Implantable Cardioverter Defibrillator
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
1,962 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 12, 2012 · Synced Oct 29, 2026, 5:26 AM EDT
Recruiting Not applicable Interventional

Safety and Performance Assessment of the Sphere-9™ Catheter and Affera™ Ablation System for the Treatment of Ventricular Tachycardia (Sphere-9 VT EFS)

NCT06703489
View directory record Official record
Conditions
Ventricular Tachycardia (VT)
Interventions
Sphere-9 Catheter with the Affera Mapping and Ablation System
Device
Lead sponsor
Medtronic Cardiac Ablation Solutions
Industry
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
6
States / cities
Boston, Massachusetts • New York, New York • Cleveland, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Dobutamine on the Cardiac Conduction System

NCT04249258
View directory record Official record
Conditions
Arrhythmias, Cardiac
Interventions
Dobutamine
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Not applicable Interventional Results available

Bipolar Ventricular Tachycardia (VT) Study

NCT02374476
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Bipolar Ablation
Device
Lead sponsor
Srinivas Dukkipati
Other
Eligibility
18 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
6
States / cities
Maywood, Illinois • Boston, Massachusetts • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 29, 2026, 5:26 AM EDT
Terminated Phase 2 Interventional Results available

Premature Ventricular Contractions (PVCs) and Blood Pressure Control

NCT01833455
View directory record Official record
Conditions
Ventricular Premature Complexes, Blood Pressure
Interventions
PVC Suppression using Flecainide, No PVC Suppression using Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 22, 2019 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Effect of Single Dose of AZD6094 (600 mg) on Cardiac Repolarization in Healthy Volunteers

NCT03258515
View directory record Official record
Conditions
Solid Tumors
Interventions
AZD6094 200 mg, Placebo, Moxifloxacin
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 20, 2020 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Energy Drink on Cardiovascular Variables: A Randomized Controlled Trial

NCT03841838
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Energy drink, Placebo drink
Other
Lead sponsor
University of the Pacific
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Stockton, California
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Oct 29, 2026, 5:26 AM EDT
Completed No phase listed Observational

Long QT Syndrome-Population Genetics and Cardiac Studies

NCT00005176
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases, Ventricular Arrhythmia, Long QT Syndrome
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
Up to 100 Years
Enrollment
2,125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1985 – 2013
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 22, 2015 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Not applicable Interventional Results available

Micra Atrial TRacking Using A Ventricular AccELerometer 2

NCT03752151
View directory record Official record
Conditions
Atrioventricular Conduction Block
Interventions
MARVEL 2 Algorithm Monitor Mode then Adaptive Mode
Device
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
5
States / cities
Jacksonville, Florida • Miami, Florida • Manhasset, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Oct 29, 2026, 5:26 AM EDT
Not listed Not applicable Interventional

Treatment Study of AV Node Reentry Tachycardia

NCT04232371
View directory record Official record
Conditions
Supraventricular Tachycardia
Interventions
New Ablation Technique, Standard Ablation Technique
Procedure
Lead sponsor
Jeffrey Moak
Other
Eligibility
Up to 21 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Hollywood, Florida • Iowa City, Iowa + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Oct 29, 2026, 5:26 AM EDT
Terminated Phase 3 Interventional Results available

Effect of Sodium Zirconium Cyclosilicate on Arrythmia-related Cardiovascular Outcomes in Participants on Chronic Hemodialysis With Recurrent Hyperkalemia (DIALIZE-Outcomes)

NCT04847232
View directory record Official record
Conditions
Hyperkalemia
Interventions
Sodium Zirconium Cyclosilicate (SZC), SZC Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
2,690 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
57
States / cities
Huntsville, Alabama • Mesa, Arizona • Bakersfield, California + 47 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Not applicable Interventional Results available

Ablation at Virtual-hEart pRedicted Targets for VT

NCT03536052
View directory record Official record
Conditions
Ventricular Tachycardia, Ischemic Cardiomyopathy
Interventions
Virtual Heart Guided Ablation
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Not applicable Interventional

Music Therapy and Dialysis: A Pilot Investigation Into the Effectiveness of Patient-Selected Music Interventions on Physiological, Psychological, and Quality-of-Life Outcomes

NCT03925168
View directory record Official record
Conditions
End Stage Renal Disease, Depression, Anxiety, Major Depressive Disorder, Generalized Anxiety Disorder, Compliance, Patient, Compliance, Medication, Mood, Pain, Energy Supply; Deficiency, Quality of Life, Blood Pressure, Heart Rate Fast
Interventions
Music therapy
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
3
States / cities
New Orleans, Louisiana • Terrytown, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 15, 2021 · Synced Oct 29, 2026, 5:26 AM EDT
Withdrawn Not applicable Interventional

Noninvasive Cardiac Radioablation for Ventricular Tachycardia Refractory to Medication and Catheter Ablation

NCT04757688
View directory record Official record
Conditions
Ventricular Tachycardia
Interventions
Cardiac radioablation (CRA)
Radiation
Lead sponsor
John Stahl
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Not applicable Interventional Results available

Multicenter Automatic Defibrillator Implantation Trial With Subcutaneous Implantable Cardioverter Defibrillator

NCT02787785
View directory record Official record
Conditions
Tachycardia, Diabetes Mellitus, Cardiovascular Disease
Interventions
Subcutaneous Implantable Cardioverter Defibrillator
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
65 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
36
States / cities
Huntsville, Alabama • Scottsdale, Arizona • Jonesboro, Arkansas + 31 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Phase 4 Interventional Results available

Effect of Nebulized Bronchodilators on Heart Rate

NCT01151579
View directory record Official record
Conditions
COPD, Sepsis, Shock
Interventions
Levalbuterol, Albuterol
Drug
Lead sponsor
Fahim Khorfan, MD
Industry
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Grand Blanc, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 23, 2015 · Synced Oct 29, 2026, 5:26 AM EDT
Terminated No phase listed Observational

All Inclusive Kodex - EPD Study

NCT05489445
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
KODEX - EPD
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 15, 2023 · Synced Oct 29, 2026, 5:26 AM EDT
Recruiting Not applicable Interventional

Electroanatomic Interactions Between Transcatheter Pulmonary Valve Prostheses and Anatomic Isthmuses in Repaired Tetralogy of Fallot

NCT05236153
View directory record Official record
Conditions
Tetralogy of Fallot, Ventricular Tachycardia, Sudden Cardiac Death
Interventions
Electroanatomic substrate mapping
Diagnostic Test
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 29, 2026, 5:26 AM EDT
Completed Not applicable Interventional Results available

Aveir DR i2i Study

NCT05252702
View directory record Official record
Conditions
Cardiac Pacemaker, Artificial, Cardiac Rhythm Disorder, Bradycardia
Interventions
Aveir DR Leadless Pacemaker System
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
464 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
54
States / cities
Scottsdale, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 44 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 29, 2026, 5:26 AM EDT
Terminated Not applicable Interventional Results available

Early Elimination of Premature Ventricular Contractions in Heart Failure

NCT01757067
View directory record Official record
Conditions
Premature Ventricular Contractions, Congestive Heart Failure
Interventions
PVC ablation
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
7
States / cities
Los Angeles, California • Baltimore, Maryland • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2021 · Synced Oct 29, 2026, 5:26 AM EDT
Completed No phase listed Observational

Medtronic Genetic Arrhythmia Markers for Early Detection (GAME Study)

NCT00664807
View directory record Official record
Conditions
Death, Sudden, Cardiac, Ventricular Fibrillation, Tachycardia, Atrial Fibrillation, Sick Sinus Syndrome
Interventions
Not listed
Lead sponsor
Medtronic Corporate Technologies and New Ventures
Industry
Eligibility
40 Years and older
Enrollment
1,023 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 25, 2009 · Synced Oct 29, 2026, 5:26 AM EDT