Clinical trials: Cardiac Conduction Defect
Bradycardia, Tachycardia
Randomized Study of the Use of Warfarin During Pacemaker or ICD Implantation in Patients Requiring Long Term Anticoagulation
Patients requiring long term anticoagulation often undergo transition of their warfarin to heparin in anticipation of invasive surgical procedures such as pacemaker or ICD implantation.
- Conditions
- Bradycardia, Tachycardia, Atrial Fibrillation, Valvular Heart Disease
- Trial name
- NCT00721136
- Testing
- continue warfarin through the procedure, Hold warfarin, Warfarin held with heparin transition.
- Where
- 2 sites in United States
- Volunteers
- 104 people
- Sponsor
- Johns Hopkins University
Long QT Syndrome
Study of LQT-1213 on QTc-induced Prolongation in Healthy Adult Subjects (Part1) and on Congenital Long QT in Patients Diagnosed With Type 2 or 3 Long QT Syndrome (Part 2).
Part 1: This is a Phase 1b, randomized, double-blind, crossover, dose escalation, placebo-controlled study to evaluate the effect of oral LQT-1213 on dofetilide-induced QTc prolongation in healthy adult subjects.
- Trial name
- NCT05906732
- Testing
- LQT-1213, Dofetilide 250 μg Cap
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Thryv Therapeutics, Inc.
Ventricular Tachycardia (VT)
Pan-Asia United States PrEvention of Sudden Cardiac Death Catheter Ablation Trial
The current standard of care for ventricular tachycardia (VT) includes the use of medicine called anti-arrhythmic drugs (AADs) and Implantable Cardioverter Defibrillator (ICD) therapy.
- Trial name
- PAUSE-SCD (NCT02848781)
- Testing
- Implantable Cardioverter Defibrillator (ICD), Catheter Ablation
- Where
- 12 sites in United States, China and 3 more
- Volunteers
- 180 people
- Sponsor
- University of Arizona
Heart Failure, Left Bundle-Branch Block
Mid-Q Response Study
The Mid-Q Response study is a prospective, multi-center, randomized controlled, interventional, single-blinded, post-market study.
- Conditions
- Heart Failure, Left Bundle-Branch Block, Heart Failure With Reduced Ejection Fraction (HFrEF), Heart Failure NYHA Class II
- Trial name
- NCT04180696
- Testing
- aCRT ON, aCRT OFF
- Where
- 61 sites in Brunei, China and 8 more
- Volunteers
- 177 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Postural Orthostatic Tachycardia Syndrome
Effect of Ivabradine on Patients With Postural Orthostatic Tachycardia Syndrome
Postural orthostatic tachycardia syndrome (POTS) occurs in approximately 500,000 Americans, but predominates in women with a 5:1 ratio.
- Trial name
- POTS (NCT03182725)
- Testing
- Ivabradine
- Where
- United States
- Volunteers
- 37 people
- Sponsor
- University of California, San Diego
Ventricular Premature Complexes, Myocardial Ischemia
Ranolazine Mediated PVC Reduction in Ischemic Heart Disease
The purpose of this study is to determine whether ranolazine has beneficial effects on cardiac ischemia through reduction of premature ventricular contraction burden.
- Trial name
- NCT02360397
- Testing
- ranolazine
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Kent Hospital, Rhode Island
Postural Orthostatic Tachycardia Syndrome, Orthostatic Intolerance
Hemodynamic Response of Neuropathic And Non-Neuropathic POTS Patients To Adrenoreceptor Agonist And Antagonist
The purpose of this study is to test the hypothesis that patients with non-neuropathic POTS will have different responsiveness than patients with neuropathic POTS to direct alpha-1 adrenoreceptor agonist therapy (droxidopa) and…
- Trial name
- NCT03070730
- Testing
- Droxidopa, Atenolol
- Where
- 2 sites in United States
- Volunteers
- 8 people
- Sponsor
- Beth Israel Deaconess Medical Center
Ventricular Tachycardia, Atrial Fibrillation
AVAI: Atrial Ventricular Arrythmia Incidence
The purpose of this observational study is to collect data regarding the population of patients implanted with St. Jude Medical ICD.
- Trial name
- AVAI (NCT00832975)
- Where
- 2 sites in Spain
- Volunteers
- 157 people
- Sponsor
- Abbott Medical Devices
Tachycardia, Ventricular
Bispectral Index Monitoring During Testing in the Electrophysiology Lab
BACKGROUND Physician-guided moderate sedation, administered by a Registered Nurse has been the standard of practice for patients undergoing a wide range of electrophysiology procedures during the past decade.
- Trial name
- NCT00749671
- Testing
- Bispectral index monitoring, Ramsey Sedation Scale
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Baystate Medical Center
Congenital Heart Disease, Bradycardia Sinus
Specialized Pacing for Patients With Congenital Heart Disease
The closed-loop stimulation (CLS) algorithm is a novel sensor-based technology that relies on the change in myocardial systolic impedance for modulation of the heart rate during physical and emotional stress.3 The pacing…
- Trial name
- NCT03361189
- Testing
- Closed loop stimulation, Standard rate response
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- University of California, Los Angeles
Tachycardia, Ventricular Arrythmia
ExtraVascular Implantable Cardioverter Defibrillator (EV ICD) Japan Study
The study is designed to characterize the acute safety and performance of the EV ICD System for Japanese patients.
- Trial name
- NCT07091916
- Testing
- Defibrillation using the Extravascular ICD
- Where
- Japan
- Volunteers
- 14 people
- Sponsor
- Medtronic Cardiac Rhythm and Heart Failure
Congenital Disorder
Pacemaker Therapy in Adults With Congenital Heart Defects
Review the feasibility, safety and outcomes in adults with congenital heart disease who undergo pacemaker implantation for bradycardia, tachycardia or heart failure indications
- Trial name
- NCT00303511
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Emory University
Ventricular Tachycardia, Ventricular Fibrillation
The Use of Dual Chamber ICD With Special Programmed Features to Lower the Risk of Inappropriate Shock
The RAPTURE Study will determine whether dual chamber defibrillators with atrial prevention and termination therapies, minimized ventricular pacing, and remote monitoring will reduce the rate of inappropriate shocks and improve…
- Conditions
- Ventricular Tachycardia, Ventricular Fibrillation, Atrial Fibrillation, Supraventricular Tachycardia
- Trial name
- RAPTURE (NCT00787800)
- Testing
- Dual Chamber ICD, Single Chamber ICD
- Where
- 4 sites in United States, Israel
- Volunteers
- 100 people
- Sponsor
- Mayo Clinic
Defibrillators, Implantable, Tachycardia, Ventricular
Catheter Ablation Versus Amiodarone for Shock Prophylaxis in Defibrillator Patients With Ventricular Tachycardia
Implantable Cardioverter Defibrillators (ICDs) provide a shock or pacing therapy to bring back a normal heart beat when a patient experiences a dangerous abnormal heart rhythm such as ventricular tachycardia (VT).
- Trial name
- CEASE-VT (NCT01097330)
- Testing
- Ablation, Amiodarone
- Where
- 11 sites in United States, Canada and 1 more
- Volunteers
- 12 people
- Sponsor
- Population Health Research Institute
Persistent Atrial Fibrillation, Ventricular Tachycardia
Advisor HD Grid Observational Study
The aim of this study is to quantify and characterize the outcomes of radiofrequency (RF) ablation after, and the utility of electroanatomical mapping with the Advisor™ HD Grid Mapping Catheter, Sensor Enabled™ (hereafter called…
- Trial name
- NCT03733392
- Testing
- Advisor HD Grid Mapping Catheter, Sensor Enabled
- Where
- 25 sites in Australia, Austria and 9 more
- Volunteers
- 379 people
- Sponsor
- Abbott Medical Devices
Ventricular Tachycardia
Percutaneous Hemodynamic Support With Impella 2.5 During Scar-related Ventricular Tachycardia Ablation
The purpose of this research study is to evaluate the safety and feasibility of the Impella 2.5 Circulatory Support System for use during mapping and ablation of ventricular tachycardia in the setting of Ventricular dysfunction.
- Trial name
- PERMIT1 (NCT01294267)
- Testing
- Circulatory Support System
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Vivek Reddy
Tachycardia, Ventricular, Catheter Ablation
Continuation of Antiarrhythmics Following Ventricular Tachycardia Catheter Ablation
The investigators aim to study if patients that undergo catheter ablation for ventricular tachycardia benefit from continuation of Vaughan-Williams class III antiarrhythmic drugs for 3 months after their ablation.
- Trial name
- AFTER-VT (NCT04208997)
- Testing
- Antiarrhythmic drug
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Vanderbilt University Medical Center
Tachycardia, Dyspnea
Post-Acute Sequelae of Coronavirus-19 (COVID-19) With Dyspnea on Exertion And Associated TaChycardia TrEatment Study
Most patients with acute COVID-19 (Coronavirus 19) recover within weeks, however a significant number of individuals will develop the post-acute COVID 19 syndrome (PASC).
- Conditions
- Tachycardia, Dyspnea, COVID-19
- Trial name
- PEACE (NCT05096884)
- Testing
- Metoprolol Succinate
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- Hackensack Meridian Health
Long QT Syndrome, Cardiac Repolarization
Effect of Beta-blocker Therapy on QTc Response in Exercise and Recovery in Normal Subjects
Background. In congenital long QT syndrome type 1 (LQT1), episodes of ventricular tachycardia are usually triggered by exercise and can be prevented in most patients by beta-blocker therapy.
- Trial name
- NCT00588965
- Testing
- Propranolol LA
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- MetroHealth Medical Center
Atrial Fibrillation, Atrial Flutter
Assessment of the Sphere-9™ Catheter and Affera Mapping and Ablation System for Treatment of Atrial and Ventricular Arrhythmias
A prospective, single-arm, multi-center, safety and performance assessment of the Sphere-9™ Catheter and the Affera Mapping and RF Ablation System to treat Atrial Arrhythmias
- Conditions
- Atrial Fibrillation, Atrial Flutter, Ventricular Tachycardia
- Trial name
- NCT04211441
- Testing
- Catheter mapping and ablation with the Sphere-9 Catheter and Affera Mapping and Ablation System
- Where
- 2 sites in Czechia
- Volunteers
- 74 people
- Sponsor
- Medtronic Cardiac Ablation Solutions