Clinical trials: Inherited Cardiac Conduction Disorder
Atrial Fibrillation, Tachycardia, Ventricular
Ajmaline Utilization in the Diagnosis and Treatment of Cardiac Arrhythmias
The study evaluates 3 different populations: It is an open, randomized, parallel-group study comparing the effectiveness of intravenous (iv) ajmaline with currently used antiarrhythmic drugs in the acute treatment of : 1.
- Conditions
- Atrial Fibrillation, Tachycardia, Ventricular, Brugada Syndrome
- Trial name
- AJUAR (NCT00702117)
- Testing
- flecainide, ajmaline, procainamide
- Where
- 4 sites in Spain
- Volunteers
- 123 people
- Sponsor
- Hospital Clinic of Barcelona
Cardiac Arrhythmias, Accessory Pathway
Cryotherapy Versus Radiofrequency Ablation for Treatment of Para-hisian Accessory Pathways
A randomized pilot study to evaluate safety and efficacy endpoints for treatment of para-hisian accessory pathways according to two different strategies of lesion formation.
- Conditions
- Cardiac Arrhythmias, Accessory Pathway, Wolf Parkinson White Syndrome
- Trial name
- NCT04361006
- Testing
- Radiofrequency (RF), Cryotherapy (CRYO)
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- University of Sao Paulo General Hospital
Sudden Cardiac Arrest, Sudden Arrhythmic Death Syndrome
Hearts in Rhythm Organization (HiRO)National Registry and Bio Bank
The Hearts in Rhythm Organization (HiRO) is a national network of Canadian researchers/clinicians, working towards a better understanding of the rare genetic causes of sudden cardiac death (SCD).
- Conditions
- Sudden Cardiac Arrest, Sudden Arrhythmic Death Syndrome, Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC), Long QT Syndrome (LQTS)
- Trial name
- HiRO (NCT04189822)
- Where
- Canada
- Volunteers
- 10,000 people
- Sponsor
- University of British Columbia
Wolf Parkinson White Syndrome, Arrythmias
Wolf-Parkinson-White Syndrome and Asymptomatic Pre-excitation in Africa (a Multicenter WPW African Registry)
The purpose of this prospective observational study is to characterize the clinical profile of patients with WPW syndrome and patients with asymptomatic WPW pattern on ECG in different African countries and how these patients are…
- Trial name
- NCT06260384
- Testing
- electrocardiogram
- Where
- Egypt
- Volunteers
- 500 people
- Sponsor
- Ain Shams University
Sudden Cardiac Death
CIQTP Prolongation : Role and Mechanism in Sudden Cardiac Death
Despite major progress in molecular and phenotypic characterization of primary electrical disorders, many (aborted) sudden cardiac deaths (SCD) occur in young victims without identifiable abnormalities.
- Trial name
- IQARE-SCD (NCT03387072)
- Testing
- Non interventional study
- Where
- 4 sites in France
- Volunteers
- 394 people
- Sponsor
- Nantes University Hospital
Long QT Syndrome Type 1 or 2
Comparison Between Epinephrine and Exercise Test in QT Long Syndrome Patients
The aim of the study is to evaluate the best stress exam to unmask long QT in patient with KCNQ1 or KCNH2 mutation without long QT interval in rest electrocardiogram.
- Trial name
- QT long (NCT01745666)
- Testing
- exercise test, Epinephrine test
- Where
- 8 sites in France
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Nantes University Hospital
Inherited Cardiac Arrhythmias, Long QT Syndrome
Long Term Monitoring for Risk of Sudden Death
Risk prediction in in inherited heart rhythm conditions that may cause sudden cardiac arrest or death is difficult. Sometimes the risks may be low but the loss of life in an otherwise healthy young individual is catastrophic.
- Conditions
- Inherited Cardiac Arrhythmias, Long QT Syndrome, Arrhythmogenic Right Ventricular Cardiomyopathy, Brugada Syndrome
- Trial name
- NCT04124237
- Where
- Canada
- Volunteers
- 1,051 people
- Sponsor
- University of British Columbia
Breath-holding Spell
Breath-holding Spells and Its Management Study
The goal of this prospective population-based study is to evaluate the new disease description and management guidelines for breath-holding spells in children (Hellström Schmidt et al, Acta Paediatrica 2024) below the age of 5…
- Trial name
- BAM (NCT06628271)
- Testing
- Guidelines
- Where
- 12 sites in Sweden
- Volunteers
- 120 people
- Sponsor
- Region Skane
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
Wolff-Parkinson-White Syndrome
Accessory Pathway Antegrade Effective Refractory Period Among WPW Patients: the Risk in Relation to the Location
To correlate the antegrade effective refractory period of the accessory pathway with its anatomical location in the heart. To investigate whether the accessory pathway location can predict the high risk nature of the accessory…
- Trial name
- NCT04106622
- Testing
- electrophysiological study
- Volunteers
- 35 people
- Sponsor
- Assiut University
Wolff-Parkinson-White Syndrome, Sudden Cardiac Death
Stress ECG Test for the Evaluation of the Risk of Sudden Cardiac Death in a Paediatric Cohort With WPW Pattern
Patients with preexcitation are at risk for sudden cardiac death. The pathogenesis is a rapid antegrade conduction of atrial fibrillation over the accessory pathway to the ventricle resulting in ventricular fibrillation.
- Conditions
- Wolff-Parkinson-White Syndrome, Sudden Cardiac Death, Risk Stratification
- Trial name
- NCT03207373
- Testing
- Stress test (ECG)
- Where
- Switzerland
- Volunteers
- 3 people
- Sponsor
- Christian Balmer
Channelopathies, Brugada Syndrome
Safety of Local Dental Anesthesia in Patients With Cardiac Channelopathies
Patients with cardiac channelopathies needing restorative dental treatment will be included in two sessions of the study, using local dental anesthetic: lidocaine 2% with epinephrine and lidocaine 2% without vasoconstrictor.
- Conditions
- Channelopathies, Brugada Syndrome, Long QT Syndrome, Ventricular, Tachycardia
- Trial name
- SLDAPCC (NCT03182777)
- Testing
- Dental restorative procedure
- Where
- Brazil
- Volunteers
- 31 people
- Sponsor
- University of Sao Paulo General Hospital
Brugada Syndrome Type 1
Rhythmic Risk of Type 1 Brugada Syndrome and Pulmonary Infundibulum Mapping
Brugada syndrome has been described as the association of a right bundle block with ST segment elevation on the V1 to V3 electrocardiogram in patients with a structurally normal heart.
- Trial name
- SB-CARTO (NCT03572881)
- Testing
- Endocardial mapping
- Where
- France
- Volunteers
- 10 people
- Sponsor
- Hospices Civils de Lyon
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
Tetralogy of Fallot, Ventricular Tachycardia
Electroanatomic Interactions Between Transcatheter Pulmonary Valve Prostheses and Anatomic Isthmuses in Repaired Tetralogy of Fallot
Individuals with repaired Tetralogy of Fallot (rTOF) remain at risk for sudden cardiac death from ventricular tachycardia (VT). Transcatheter pulmonary valve replacement (TPVR) indications continue to broaden, yet its capability…
- Conditions
- Tetralogy of Fallot, Ventricular Tachycardia, Sudden Cardiac Death
- Trial name
- NCT05236153
- Testing
- Electroanatomic substrate mapping
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Boston Children's Hospital
Long QT Syndrome, Brugada Syndrome
Healthy-related Quality of Life and Physical Activity of Children With Cardiac Malformations
The QUALIMYORYTHM trial is a multicentre controlled study, aiming to assess health-related quality of life (HRQoL) of 107 children aged 6 to 18 years old with inherited cardiac arrhythmia (long QT syndrome, Brugada syndrome…
- Conditions
- Long QT Syndrome, Brugada Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia, Arrhythmogenic Right Ventricular Dysplasia
- Trial name
- QUALIMYORYTHM (NCT04712136)
- Testing
- MRI
- Where
- France
- Volunteers
- 214 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Atrioventricular Block, Progressive Cardiac Conduction Defect
Cohort Description of Younger With AV-block
Background: Disturbances of the heart's atrioventricular conduction - AV-block - may show by shortness of breath, fainting or sudden death. If AV-block is diagnosed in time pacemaker therapy may be lifesaving.
- Conditions
- Atrioventricular Block, Progressive Cardiac Conduction Defect, Genetic Disease
- Trial name
- NCT03024047
- Testing
- Pacemaker
- Where
- Denmark
- Volunteers
- 1,255 people
- Sponsor
- University of Aarhus
Brugada Syndrome
High Density Mapping in Brugada Syndrome
The current study has the following objectives: 1. To characterize the changes in amplitude and duration of epicardial right ventricular outflow tract electrograms captured through a multipolar mapping catheter in patients with…
- Trial name
- NCT06567639
- Testing
- Catheter ablation
- Where
- Belgium
- Volunteers
- 15 people
- Sponsor
- Universitair Ziekenhuis Brussel
Congenital Heart Disease, Arrhythmia
Outcome of Ablation of Tachyarrhythmias in Patients With Congenital Heart Diseases
Our observational study aim to to evaluate the incidence of Tachyarrhythmia in patients with congenital heart diseases (corrected/non corrected) and the effectiveness of catheter ablation.RF catheter ablation was performed to all…
- Conditions
- Congenital Heart Disease, Arrhythmia, Ablation of Arrhythmias
- Trial name
- NCT07574931
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Fayoum University
Arrhythmogenic Right Ventricular Cardiomyopathy, Cardiomyopathies
Mayo AVC Registry and Biobank
Arrhythmogenic ventricular cardiomyopathy (AVC) is a genetic condition which affects the heart and can lead to heart failure and rhythm problems, of which, sudden cardiac arrest or death is the most tragic and dangerous.
- Conditions
- Arrhythmogenic Right Ventricular Cardiomyopathy, Cardiomyopathies, Heart Diseases, Cardiovascular Diseases
- Trial name
- NCT03049254
- Where
- 2 sites in United States, United Kingdom
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic