Clinical trials: Conduction Defect, Cardiac
Long QT Syndrome
Low Cost QTc Meter for Long QT Syndrome Screening in Primary Care
The purpose of this study is to further develop and evaluate a diagnostic procedure suitable for use in an inexpensive diagnostic instrument suitable for screening for Long QT Syndrome (LQTS) in the primary care environment.
- Trial name
- NCT04441892
- Testing
- QTc Meter
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Mayo Clinic
Neoplasms, Cardiac Arrhythmia
Beat to Beat A Study in Paediatric, Adolescent and Young Adult Patients Who Are Undergoing or Have Undergone Cancer Therapy to Evaluate the Agreement Between QTc Measured Using 12 Lead Electrocardiogram (ECG) and a Wearable Device ECG
A prospective study in paediatric, adolescent and young adult patients aged 7 to 18 years to evaluate the agreement between QTc measured using 12 lead electrocardiogram (ECG) and the wearable device ECG.
- Trial name
- NCT05615376
- Testing
- ECG application, 12 lead ECG
- Where
- Australia
- Volunteers
- 45 people
- Sponsor
- Murdoch Childrens Research Institute
Cardiac Arrest, Sudden, Ventricular Tachycardia
Cardiopulmonary Resuscitation Performance of Professional Rescuers With a New Defibrillation Algorithm
In the Paris (France) Medical Emergency system, in the early phase of Out-of-hospital Cardiac Arrest (OHCA), the treatment of a Ventricular Fibrillation (VF) consists of delivering an External Electric Shock (EES) by a rescuer…
- Conditions
- Cardiac Arrest, Sudden, Ventricular Tachycardia, Ventricular Fibrillation, Sudden Cardiac Death
- Trial name
- DEFI-2022 (NCT04691089)
- Where
- France
- Volunteers
- 285 people
- Sponsor
- French Defence Health Service
Irregular Heart Rate
Ventricular Synchrony in Pediatric Patients
At Children's Healthcare of Atlanta, children who have irregular heart rhythms are often referred for evaluation. Sometimes they also need a procedure to correct their irregular heart rhythm.
- Trial name
- NCT00165932
- Where
- United States
- Volunteers
- 145 people
- Sponsor
- Emory University
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
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
Heart Block, Heart Block Complete
Effect of Site of Right Ventricular (RV) Pacing on RV Function, Left Ventricular (LV) Dyssynchrony and Contraction Efficiency
To evaluate RV systolic function and LV mechanical dyssynchrony and function in different lead position in the RV during permanent pacemaker implantation by using speckle tracking echocardiography (STE) and 3D volumetric ejection…
- Conditions
- Heart Block, Heart Block Complete, Systolic Function
- Trial name
- NCT06636851
- Testing
- Pacemaker and defibrillator
- Where
- Egypt
- Volunteers
- 52 people
- Sponsor
- South Valley University
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
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
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
Cardiac Disease, Syncope
Second Study on Cardio-neuromodulation in Humans
Different approaches to cardio-neuroablation (CNA) to treat neurally mediated syncope, sinus node dysfunction, and functional atrioventricular block have been published.
- Conditions
- Cardiac Disease, Syncope, Syncope, Vasovagal, Sick Sinus Syndrome
- Trial name
- CardNMH2 (NCT02954666)
- Testing
- radio-frequency ablation
- Where
- Belgium
- Volunteers
- 50 people
- Sponsor
- Imelda Hospital, Bonheiden
Heart Block, Aortic Stenosis
Glucocorticoid Treatment in Transaortic Valve Replacement to Reduce the Incidence of Conduction Disturbances (GLUCO-TAVR).
The goal of this phase IV, randomized, controlled and open-label study is to assess the efficacy of peri-procedure glucocorticoid treatment in the prevention of conduction abnormalities and the need for pacemaker implantation in…
- Conditions
- Heart Block, Aortic Stenosis, Bundle-Branch Block
- Trial name
- GLUCO-TAVR (NCT06076824)
- Testing
- Methylprednisolone
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- Hospital General Universitario de Alicante
Arrhythmia, Long QT Syndrome
AI-powered ECG Analysis for Deadly Arrhythmias and ICI Myocarditis
ELDORA is a non-interventional observational data-science study aiming to develop and validate clinical-grade artificial intelligence tools applied to electrocardiogram (ECG) data.
- Conditions
- Arrhythmia, Long QT Syndrome, Immune Checkpoint Inhibitor-Related Myocarditis
- Trial name
- ELDORA (NCT07644715)
- Where
- France
- Volunteers
- 127,000 people, healthy volunteers welcome
- Sponsor
- Groupe Hospitalier Pitie-Salpetriere
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
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
Cardiovascular Diseases, Heart Diseases
Epidemiology of Symptomatic Arrhythmias
To acquire a better understanding of the spontaneous clinical behavior of paroxysmal tachycardia by studying epidemiologic features of symptomatic tachycardia patients.
- Conditions
- Cardiovascular Diseases, Heart Diseases, Atrial Fibrillation, Arrhythmia
- Trial name
- NCT00005237
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Tachycardia, Atrioventricular Nodal Reentry
AV Nodal Reentrant Tachycardia Study
The purpose of this study is to determine/identify what mechanisms/factors are involved with regard to AV nodal reentrant tachycardia.
- Trial name
- AVNRT (NCT00618683)
- Testing
- Cardiac Invasive Electrophysiological Study
- Where
- United States
- Volunteers
- 46 people
- Sponsor
- University of Oklahoma
Supraventricular Tachycardia
Shortening Duration of Antiarrhythmic Medication for SVT in Infants
The infants diagnosed with SVT are treated with antiarrhythmic medication to prevent the recurrence of SVT. This prospective observational cohort study evaluates efficacy and safety of shortening duration of antiarrhythmic…
- Trial name
- NCT04837261
- Testing
- Propranolol, Flecainide, Amiodarone
- Where
- 18 sites in Finland
- Volunteers
- 107 people
- Sponsor
- Tampere University Hospital
Bundle-Branch Block
Congenital or Idiopathic Complete Right Bundle Branch Block: Physiological Significance and Molecular Characterization
This study is to determine 1) the incidence of altered right bundle conduction, including CRBBB, IRBBB or rsR' pattern in the Taipei city based on the school survey databank from 1999 to 2002, 2) the associated cardiac lesions…
- Trial name
- NCT00173342
- Where
- 2 sites in Taiwan
- Volunteers
- 50 people
- Sponsor
- National Taiwan University Hospital
Ventricular Tachyarrhythmia, Sudden Cardiac Death
Domperidone and Risk of Serious Cardiac Events in Postpartum Women
The purpose of this study is to determine whether the use of domperidone is associated with an increased risk of serious cardiac events among postpartum women in the six months following delivery.
- Conditions
- Ventricular Tachyarrhythmia, Sudden Cardiac Death, Lactation, Breast Feeding
- Trial name
- NCT04024865
- Testing
- Domperidone, No domperidone
- Where
- Canada
- Volunteers
- 184,929 people
- Sponsor
- Canadian Network for Observational Drug Effect Studies, CNODES