Clinical trials: Arrhythmia, Ventricular
Mitral Valve Insufficiency, Atrial Fibrillation
Left Atrial Distensibility to Predict Left Ventricular Filling Pressure and Prognosis in Patients With Severe Mitral Regurgitation
A large left atrial (LA) volume, which represents chronic diastolic dysfunction, is associated with a poor outcome, regardless of systolic function.
- Conditions
- Mitral Valve Insufficiency, Atrial Fibrillation, Heart Failure
- Trial name
- NCT01172184
- Testing
- Cardiac catheterization
- Where
- Taiwan
- Volunteers
- 111 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Veterans General Hospital.
Ventricular Arrythmia
Intramural Needle Ablation for the Treatment of Refractory Ventricular Arrhythmias
This study will examine the safety and efficacy of intramural needle ablation (INA) in the treatment of intramural ventricular arrhythmias in patients for whom standard RF ablation has been unsuccessful.
- Trial name
- NCT03204981
- Testing
- Intramural Needle Ablation, Ablation
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- Vivek Reddy
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
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
Ventricular Tachycardia, Ventricular Fibrillation
Pediatric Lead Extractability and Survival Evaluation (PLEASE)
This is a randomized, prospective clinical trial comparing 2 different types of implantable cardioverter defibrillator (ICD) leads in children and patients with congenital heart disease.
- Conditions
- Ventricular Tachycardia, Ventricular Fibrillation, Cardiomyopathy, Long QT Syndrome
- Trial name
- NCT00335036
- Testing
- ICD lead implant, Thin leads
- Where
- United States
- Volunteers
- 748 people
- Sponsor
- Charles Berul
Cardiovascular Diseases, Heart Diseases
Electrophysiological Effects of Late PCI After MI
The purpose of this study is to determine if opening blocked arteries with heart balloons and stents prevents heart rhythm problems in individuals 3 to 28 days after a heart attack.
- Conditions
- Cardiovascular Diseases, Heart Diseases, Myocardial Infarction, Coronary Disease
- Trial name
- NCT00119847
- Testing
- PCI, Optimal Medical Therapy
- Where
- United States
- Volunteers
- 300 people
- Sponsor
- University of Maryland, Baltimore
Catecholaminergic Polymorphic Ventricular Tachycardia
Atropine in Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT)
To test the hypothesis that increasing the sinus node rate with atropine treatment prior to exercise will reduce exercise-triggered ventricular ectopy compared to baseline in patients with CPVT.
- Trial name
- NCT02927223
- Testing
- Atropine, Exercise treadmill test
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Vanderbilt University
Cardiac Arrest
Biphasic Defibrillation Study: Trial to Compare Fixed Versus Escalating Energy
This study will compare the effect of constant low-level energy [150 joules] to an escalating energy [200-300-360 joules] regimen of biphasic waveform defibrillation on multiple patient outcomes.
- Trial name
- NCT00212992
- Testing
- Fixed lower-energy defibrillation, Escalating higher-energy defibrillation
- Where
- Canada
- Volunteers
- 221 people
- Sponsor
- Ottawa Hospital Research Institute
Tachyarrhythmias, Heart Failure
Safety and Clinical Performance of the Protecta ICD and CRT-D
The purpose of the study is two-fold. In Phase I (Protecta Clinical Study), system performance will be evaluated. In Phase II (PainFree SST), the inappropriate shock-free rate at one year of subjects implanted with a Medtronic…
- Conditions
- Tachyarrhythmias, Heart Failure, Ventricular Dysfunction
- Trial name
- NCT00982397
- Testing
- Protecta VR-ICD, Protecta DR-ICD or CRT-D
- Where
- 122 sites in United States, Austria and 19 more
- Volunteers
- 2,770 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Ventricular Tachyarrhythmia
Lead EvaluAtion for Defibrillation and Reliability (LEADR) / Lead Evaluation for Defibrillation and Reliability in Left Bundle Branch Area Pacing (LEADR LBBAP)
The LEADR study is designed to assess the safety and efficacy of the Next Generation ICD lead. The LEADR LBBAP study is being conducted under the existing US FDA Investigational Device Exemption (IDE) for the Next Generation ICD…
- Trial name
- NCT04863664
- Testing
- Defibrillation (RV Implant), Defibrillation (LBBAP Implant)
- Where
- 55 sites in United States, Australia and 18 more
- Volunteers
- 1,007 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure