Clinical trials: Tachycardia, Ventricular
Ventricular Fibrillation, Ventricular Tachycardia
Left Ventricular Capture Management Study
Primary Objective: To characterize left ventricular (LV) threshold behavior over time using daily left ventricular capture management (LVCM) measurements.
- Conditions
- Ventricular Fibrillation, Ventricular Tachycardia, Bradyarrhythmia
- Trial name
- LEARN (NCT01089634)
- Where
- Canada
- Volunteers
- 151 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Long QT Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia Type 1
Evaluation of Exercise Testing and Physical Activity in Children and Adolescents Living With Inherited Arrhythmias
The goal of this observational study is to evaluate exercise testing and daily physical activity in children and adolescents who are diagnosed with an inherited arrhythmia.
- Conditions
- Long QT Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia Type 1, Catecholaminergic Polymorphic Ventricular Tachycardia Type 2
- Trial name
- ACTIVELY (NCT06661278)
- Testing
- Exercise tolerance test, Physical activity & heart rate monitoring
- Where
- 2 sites in United Kingdom
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Royal Brompton & Harefield NHS Foundation Trust
Ventricular Tachyarrhythmia
Change in Heart Rate Variability Prior to Tachyarrhythmia in ICD Implanted Patients
To investigate changes in HRV during the time before a spontaneous episode of ventricular tachyarrhythmia.
- Trial name
- HRV (NCT00701467)
- Where
- Israel
- Volunteers
- 50 people
- Sponsor
- Sheba Medical Center
Ventricular Tachycardia
Calmodulin Gene Mutations in Patients With Ventricular Arrhythmia of Unknown Origin - A Screening Study
The aim of this study is to screen a well characterized patient population with ventricular tachycardia of unknown origin and treated with an implantable cardioverter-defibrillator (ICD) for mutations in the calmodulin genes.
- Trial name
- NCT01947543
- Where
- Sweden
- Volunteers
- healthy volunteers welcome
- Sponsor
- Region Örebro County
Paroxysmal Supraventricular Tachycardia
Zero-fluoroscopy Approach Versus Fluoroscopic Approach for the Ablation of Paroxysmal Supraventricular Tachycardia
This study is aimed to compare the feasibility, safety and efficacy of a zero-fluoroscopic approach using Ensite NavX with conventional fluoroscopic approach using Ensite NavX plus fluoroscopy for the ablation of paroxysmal…
- Trial name
- ZFA-PSVT (NCT03042078)
- Testing
- Zero-fluoroscopic ablation, Conventional fluoroscopic ablation
- Where
- China
- Volunteers
- 3,060 people
- Sponsor
- Tongji Hospital
Sudden Cardiac Death, Sudden Cardiac Arrest
Low QRS Voltages in Young Healthy Individuals and Athletes
There is some limited evidence that reduced size of electrical complexes/traces of the heart on the electrocardiogram (ECG) may be associated with scarring in the heart muscle, which may predispose to serious life-threatening…
- Conditions
- Sudden Cardiac Death, Sudden Cardiac Arrest, Sudden Cardiac Death Due to Cardiac Arrhythmia, Arrhythmogenic Right Ventricular Cardiomyopathy
- Trial name
- NCT05799833
- Testing
- Cardiovascular magnetic resonance scan - 3T scanner (Siemens Vida)
- Where
- United Kingdom
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Paroxysmal Supraventricular Tachycardia (PSVT)
The PSVT Place Registry.Paroxysmal Supraventricular Tachycardia (PSVT) Registry.
Paroxysmal supraventricular tachycardia (PSVT) is a sporadic, sudden, and recurring tachycardia that is caused by an altered electrical conductivity in the heart.
- Trial name
- NCT03353610
- Where
- United States
- Volunteers
- 354 people
- Sponsor
- Milestone Pharmaceuticals Inc.
Paroxysmal Supraventricular Tachycardia
Pulsed Field Ablation for Paroxysmal Supraventricular Tachycardia（PSVT）
The purpose of this study was to explore the safety and efficacy of a Pulsed Field Ablation Device and Force Sensing Pulsed Field Ablation Catheter in the treatment of Paroxysmal Supraventricular Tachycardia.
- Trial name
- NCT05770921
- Testing
- Pulsed Field Ablation Device and Force Sensing Pulsed Field Ablation Catheter
- Where
- China
- Volunteers
- 10 people
- Sponsor
- Ningbo No. 1 Hospital
Appropriate and Inappropriate Shock Therapy With ICD, Arrhythmias Detection
Arrhythmias Detection in a Real World Population
The study is a prospective multicenter registry. Consecutive patients with indications of implant / replacement or upgrade of implantable cardioverter defibrillator (ICD) will be enrolled.
- Trial name
- RHYTHM DETECT (NCT02275637)
- Testing
- implantable cardioverter defibrillator
- Where
- 12 sites in Italy
- Volunteers
- 10,000 people
- Sponsor
- Fondazione IRCCS Policlinico San Matteo di Pavia
Paroxysmal Supraventricular Tachycardia
Study on Left Atrial Function of Paroxysmal Supraventricular Tachycardia After Radiofrequency Ablation
This study to investigate the effects of RF ablation on left atrial systolic function in patients with atrioventricular nodal reentrant tachycardia (AVNRT) and atrioventricular tachycardia (AVRT).
- Trial name
- NCT03348436
- Testing
- radiofrequency ablation
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Ruiqin xie
Cardiomyopathy, Hypertrophic, Cardiomyopathy, Dilated
National Network for Cardiovascular Genomics: Advancing Cardiovascular Healthcare for Hereditary Diseases in Brazil's Unified Health System Through a Multicenter Registry
The goal of this observational study is to develop a registry of Brazilian patients with hereditary cardiovascular diseases, combining clinical and genomic data.
- Conditions
- Cardiomyopathy, Hypertrophic, Cardiomyopathy, Dilated, Cardiomyopathy Restrictive, Arrhythmogenic Right Ventricular Dysplasia
- Trial name
- RENOMICA-Hcor (NCT06546137)
- Testing
- whole genome sequencing
- Where
- 27 sites in Brazil
- Volunteers
- 1,211 people
- Sponsor
- Hospital do Coracao
Tachycardia, Ventricular
Ablation Targets of Scar-related Ventricular Tachycardia Identified by Dynamic Functional Substrate Mapping
This study aims at comparing the recurrence rates of ventricular tachycardia ablated after being mapped by 2 different techniques.
- Trial name
- NCT05086510
- Testing
- Radiofrequency ablation
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Ain Shams University
Ventricular Fibrillation, Ventricular Tachycardia
Implantable Cardioverter Defibrillator (ICD) Support Groups and Veterans
In this study, we will compare the quality of life in veterans having ICD who attend the ICD support groups to those who do not.
- Conditions
- Ventricular Fibrillation, Ventricular Tachycardia, Sudden Cardiac Death
- Trial name
- NCT00846417
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Emory University
Ventricular Arrhythmia, Tachycardia
Enlighten Study: The EV-ICD Post Approval Registry
Medtronic is sponsoring Enlighten: The EV-ICD Post Approval Registry, to further confirm safety and effectiveness of EV-ICD in routine clinical practice, following commercial release of EV-ICD devices.
- Trial name
- NCT06048731
- Testing
- Defibrillation using EV-ICD
- Where
- 130 sites in United States, Austria and 22 more
- Volunteers
- 1,000 people
- Sponsor
- Medtronic
Catecholaminergic Polymorphic Ventricular Tachycardia
Flecainide for Catecholaminergic Polymorphic Ventricular Tachycardia
The purpose of this study is to test whether the addition of oral flecainide to standard therapy will reduce ventricular ectopy on exercise test compared to placebo plus standard therapy in patients with Catecholaminergic…
- Trial name
- NCT01117454
- Testing
- Flecainide Acetate, Beta blocker
- Where
- 10 sites in United States
- Volunteers
- 14 people
- Sponsor
- Vanderbilt University Medical Center
Arrhythmogenic Right Ventricular Cardiomyopathy, Arrhythmogenic Right Ventricular Dysplasia
South Asian Arrhythmogenic Cardiomyopathy Registry
Arrhythmogenic Cardiomyopathy (ACM) is increasingly identified as an important cause of cardiac morbidity and mortality, especially of SCD, in a younger population.
- Conditions
- Arrhythmogenic Right Ventricular Cardiomyopathy, Arrhythmogenic Right Ventricular Dysplasia, Arrhythmogenic Ventricular Cardiomyopathy, Arrhythmogenic Cardiomyopathy
- Trial name
- NCT04895540
- Testing
- ECG, Echocardiography, Cardiac MRI
- Where
- 3 sites in United States, India
- Volunteers
- 100 people
- Sponsor
- Sheri Kashmir Institute of Medical Sciences
Ventricular Tachycardia, Ventricular Fibrillation
DF4 Connector System Post-Approval Study
The purpose of this study is to evaluate long-term performance of the DF4 Connector System. This evaluation is based on the number of DF4 lead-related complications occurring during the study compared to the number of leads…
- Conditions
- Ventricular Tachycardia, Ventricular Fibrillation, Sudden Cardiac Death, Heart Failure
- Trial name
- NCT01638897
- Where
- 78 sites in United States, Canada and 1 more
- Volunteers
- 1,778 people
- Sponsor
- Medtronic
Atrioventricular Nodal Reentry Tachycardia
Intracardiac Echocardiography Guided Slow Pathway Cryoablation
Atrioventricular nodal reentry tachycardia is best treated with catheter ablation aimed at disruption of conduction of the slow pathway.
- Trial name
- NCT05705297
- Where
- Slovenia
- Volunteers
- 30 people
- Sponsor
- University Medical Centre Ljubljana
Heart Failure, Myocardial Infarction
Prophylactic Substrate Ablation in Post-myocardial Patients Undergoing Defibrillator Implantation.
Prophylactic substrate ablation in post-MI patients undergoing defibrillator implantation reduces appropriate defibrillator therapies.
- Conditions
- Heart Failure, Myocardial Infarction, Ventricular Tachycardia
- Trial name
- NCT02780947
- Testing
- Ventricular tachycardia substrate ablation
- Volunteers
- 40 people
- Sponsor
- Spyridon Deftereos
Ventricular Tachycardia
Personalized Therapy Study - Intrinsic Antitachycardia Pacing Post-Approval Study (iATP PAS)
Medtronic is sponsoring the Intrinsic Antitachycardia Pacing Post-Approval Study (iATP PAS) to further confirm safety and effectiveness of ventricular iATP therapy in routine clinical practice, following commercial release of…
- Trial name
- NCT04496518
- Testing
- Intrinsic Antitachycardia Pacing (iATP) Therapy
- Where
- 92 sites in United States, France and 7 more
- Volunteers
- 2,200 people, healthy volunteers welcome
- Sponsor
- Medtronic