Clinical trials: Heart Conduction Disorder
Andersen-Tawil Syndrome, Andersen Syndrome
Characteristics of Andersen-Tawil Syndrome
Andersen-Tawil Syndrome (ATS) is a rare, genetic disorder that causes episodes of muscle weakness, potentially life-threatening changes in heart rhythm, and developmental abnormalities.
- Trial name
- NCT00521794
- Where
- 7 sites in United States, Canada and 2 more
- Volunteers
- 28 people
- Sponsor
- University of Rochester
Andersen-Tawil Syndrome
Effect of Potassium and Acetazolamide on People With Andersen-Tawil Syndrome
Andersen-Tawil Syndrome (ATS) is a rare genetic disorder that causes episodes of muscle weakness, potentially life-threatening changes in heart rhythm, and skeletal developmental abnormalities.
- Trial name
- NCT00839501
- Testing
- Potassium, Acetazolamide
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- University of Rochester
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
Aortic Valve Stenosis, AV Block
Prospective Arm of Conduct - Edwards SAPIEN3 PPI Registry
There are procedure related risk factors for permanent pacemaker implantation (PPI) that can be identified and assessed in a prospective cohort of 300 patients at high risk for PPI Prospective, multicenter, European registry in…
- Conditions
- Aortic Valve Stenosis, AV Block, Bundle-Branch Block
- Trial name
- Conduct-pro (NCT03715894)
- Testing
- transcatheter valve implantation
- Where
- 5 sites in Germany, Netherlands and 1 more
- Volunteers
- 300 people
- Sponsor
- Institut für Pharmakologie und Präventive Medizin
Ventricular Arrythmia
China Inherited Ventricular Arrhythmias Registry
This is an observational, prospective, multi-center registry, aiming at building a risk stratification for malignant inherited ventricular arrhythmias, including Brugada syndrome(Brs)、Long QT syndrome(LQTS)、Short QT…
- Trial name
- NCT03880708
- Where
- China
- Volunteers
- 500 people
- Sponsor
- China National Center for Cardiovascular Diseases
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.
Supraventricular Tachycardia
Troponin Leaks in Emergency Department Patients Presenting With Supraventricular Tachycardia (SVT)
The goal of this study is twofold. First the investigators would like to determine the trajectory of troponin leaks; if it can be shown that the participants who have only minimal elevations of their repeat troponin universally…
- Trial name
- NCT02810561
- Testing
- No Intervention
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Corewell Health South
Tachycardia, Atrioventricular Nodal Reentry
Typical and Atypical AVNRT High-resolution Mapping
This study is aimed at : 1. Identifying the exact location of the circuit of typical and atypical AVNRT by applying high-resolution electroanatomic mapping. 2.
- Trial name
- AVNRTmap (NCT04764123)
- Testing
- AVNRT mapping
- Volunteers
- 30 people
- Sponsor
- Cardiovascular Research Society, Greece
Long QT Syndrome, Brugada Syndrome
Impact on Risk Stratification of Overlap Syndrome Phenotype in Patients With E1784K Mutation in SCN5A
In patients expressing the SCN5A-E1784K mutation (Glu1784Lys), cardiovascular risk is difficult to define as the stratification of these patients is challenging.
- Conditions
- Long QT Syndrome, Brugada Syndrome, Cardiac Conduction System Disease, Arrhythmias, Cardiac
- Trial name
- RISKOVER (NCT05274646)
- Where
- Reunion
- Volunteers
- 47 people
- Sponsor
- Centre Hospitalier Universitaire de la Réunion
Supraventricular Tachycardia
Multicenter Study of Antiarrhythmic Medications for Treatment of Infants With Supraventricular Tachycardia
This is a randomized, double-blind, multi-centered study to compare 6 months of medical treatment with digoxin or propranolol in infants with SVT Background: SVT is the most common sustained arrhythmia of infancy.
- Trial name
- NCT00390546
- Testing
- Digoxin, Propranolol
- Where
- 14 sites in United States, Canada
- Volunteers
- 72 people
- Sponsor
- University of British Columbia
Heart Diseases, Cardiovascular Diseases
Linkage Study of Long QT Syndrome In An Amish Kindred
To screen by electrocardiography the entire population of 1,400 individuals in seven Amish Mennonite communities in order to perform genetic linkage studies of long QT syndrome (LQTS).
- Conditions
- Heart Diseases, Cardiovascular Diseases, Tachycardia, Ventricular, Ventricular Fibrillation
- Trial name
- NCT00005250
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Premature Ventricular Contractions
Concealed Myocardial Abnormalities by Cardiac Magnetic Resonance Imaging in Idiopathic VT
Idiopathic Ventricular arrhythmia (VAs) refers to VAs that occur in the absence of clinically apparent structural heart disease.
- Trial name
- NCT06146556
- Testing
- catheter based ablation
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Assiut University
Heart Rate Fast, Blood Pressure
Short-term Effects of Passiflora and Meditation on Blood Pressure and Heart Rate
This study is intended to study the effects of one-time acute dosing of a solid extract of Passiflora incarnata, also known as Passionflower, on blood pressure and heart rate in students.
- Trial name
- NCT03953469
- Testing
- Passiflora incarnata
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- University of Bridgeport
Heart Block, CIED Related Infection
Biomarkers & Infection After Prophylactic Antibiotic in Cardiac Implantable Electronic Device Implantation
Effect of single dose \& intrapocket prophylactic antibiotic to cardiac implantable electronic device-related infection \& biomarkers
- Conditions
- Heart Block, CIED Related Infection, CIED-related Infections, Antibiotic Prophylaxis
- Trial name
- BI-PACED (NCT06448624)
- Testing
- Ampicillin sulbactam 3 days
- Where
- Indonesia
- Volunteers
- 60 people
- Sponsor
- Universitas Diponegoro
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
Accessory Pathway
New Criteria for Accessory Pathway Localization From Surface ECG
study for discovering new criteria for localization of site of accessory pathway from surface ECG
- Trial name
- NCT03875222
- Volunteers
- 50 people
- Sponsor
- Assiut 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
Atrial Fibrillation, Bradycardia
Prospective Registry of Pacemaker Patients Concerning Percentage of Right Ventricular Pacing, LVEF and NYHA Class
This registry is a data collection on patients who are implanted for more than 6 months with a pacemaker. Frequency and distribution of right ventricular pacing, NYHA class and left ventricular ejection fraction shall be…
- Conditions
- Atrial Fibrillation, Bradycardia, Heart Block, Sick Sinus Syndrome
- Trial name
- NCT00292539
- Testing
- Any pacemaker with right ventricular pacing option
- Where
- Germany
- Volunteers
- 600 people
- Sponsor
- Guidant Corporation
Atrial Fibrillation
Atrial Fibrillation Rate Control Therapy Guided By Continuous Ambulatory Monitoring
The purpose of this study is to demonstrate that the use of a continuous ambulatory monitoring device will reduce both the time to effective rate control and the health care expenditures associated with standard methods of rate…
- Trial name
- NCT00115843
- Testing
- Mobile Cardiac Outpatient Telemetry
- Where
- United States
- Sponsor
- Beth Israel Deaconess Medical Center
Left Ventricular Ejection Fraction, Heart Failure (HF)
REsynchronization Comparison In LBBB and Normal or Mildly Reduced VENTricular Function With CRT (REINVENT-CRT)
Primary Objective - To determine if implantation of a permanent CRT pacing device (with LB-CRT, or conventional BiV-CRT with a coronary sinus LV lead) can improve electromechanical function, HF symptoms, and natriuretic peptide…
- Conditions
- Left Ventricular Ejection Fraction, Heart Failure (HF), Left Bundle-Branch Block
- Trial name
- REINVENT (NCT05652218)
- Testing
- LB-CRT, BIV-CRT
- Where
- 2 sites in United States
- Volunteers
- 21 people
- Sponsor
- Inova Health Care Services