Clinical trials: Conduction Defect
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
Sudden Unexplained Death Syndrome, Sudden Unexplained Death in Childhood
Sudden Unexplained Death in Childhood (SUDC) Registry
The purpose is to increase the understanding of the characteristics, circumstances, medical histories and pathologies of children from ages 11 months through 18 years who have died suddenly and unexpectedly, and in some…
- Trial name
- SUDC (NCT03109197)
- Testing
- Biospecimin Collection
- Where
- United States
- Volunteers
- 1,600 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Congenital Complete Heart Block, Cardiac Conduction Defect Progressive
Identification of Genetic Basis of Atrioventricular Conduction Defects: From Congenital Forms to Degenerative Forms
Identification of genes involved in congenital atrioventricular block and progressive Cardiac Conduction Disease.
- Trial name
- NCT02881671
- Testing
- genetic blood analysis
- Where
- 2 sites in France
- Volunteers
- 2,600 people, healthy volunteers welcome
- Sponsor
- Nantes University Hospital
Long QT Syndrome
Long QT Syndrome Screening in Newborns
The purpose of this project is to test a new, very compact, 12-lead ECG device as a way to detect long QT syndrome (LQTS) in infants. The device -- called QTScreen -- was developed in Phase I of this project.
- Trial name
- NCT02412709
- Testing
- QTScreen ECG Recorder
- Where
- 3 sites in United States
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- QT Medical, Inc.
Cardiac; Dysrhythmia, Postoperative, Congenital Heart Surgery
Prevention of Post-Operative Cardiac Arrhythmias
Aim 1: Primary Prevention of Post-operative Cardiac Arrhythmias 1. To evaluate the efficacy of dexmedetomidine vs. the combination of Magnesium Sulfate and dexmedetomidine for the prevention of post-operative cardiac arrhythmias…
- Trial name
- POCA (NCT04234906)
- Testing
- Dexmedetomidine, Magnesium Sulfate, Amiodarone
- Volunteers
- 870 people, healthy volunteers welcome
- Sponsor
- Jeffrey Moak
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
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
TAVI
Impact of Tilt Angle on Conduction Defects During Transcatheter Aortic Valve Implantation (TAVI)
Investigate the predictors of conduction abnormalities after TAVI, and in particular the predictive role of the tilt-angle during implantation.
- Trial name
- NCT04083040
- Testing
- transcatheter aortic valve implantation
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Assiut University
Long QT Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia Type 1
Evaluation of Exercise Testing and Physical Activity in Children and Adolescents Living With Inherited Arrhythmias
The goal of this observational study is to evaluate exercise testing and daily physical activity in children and adolescents who are diagnosed with an inherited arrhythmia.
- Conditions
- Long QT Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia Type 1, Catecholaminergic Polymorphic Ventricular Tachycardia Type 2
- Trial name
- ACTIVELY (NCT06661278)
- Testing
- Exercise tolerance test, Physical activity & heart rate monitoring
- Where
- 2 sites in United Kingdom
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Royal Brompton & Harefield NHS Foundation Trust
Sick Sinus Syndrome
The Role of Angiotensinogen Gene Polymorphism in the Pathogenesis of Non-familial Sick Sinus Syndrome
Evidence has been documented for the close relationship between the arrhythmia pathogenesis and the gene expression in renin-angiotensin system.
- Trial name
- NCT01310920
- Testing
- observation
- Where
- Taiwan
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
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
Brugada Syndrome
European Perioperative Brugada Survey
The aim of this survey is to assess the current perception and clinical practice of Resident and Board-certified Anaesthesiologists and Intensivists regarding perioperative care of patients burdened with the Brugada Syndrome.
- Trial name
- NCT04808193
- Testing
- Survey
- Where
- Belgium
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Ventricular Tachycardia
Personalized Therapy Study - Intrinsic Antitachycardia Pacing Post-Approval Study (iATP PAS)
Medtronic is sponsoring the Intrinsic Antitachycardia Pacing Post-Approval Study (iATP PAS) to further confirm safety and effectiveness of ventricular iATP therapy in routine clinical practice, following commercial release of…
- Trial name
- NCT04496518
- Testing
- Intrinsic Antitachycardia Pacing (iATP) Therapy
- Where
- 92 sites in United States, France and 7 more
- Volunteers
- 2,200 people, healthy volunteers welcome
- Sponsor
- Medtronic
Tachycardia
Incident and Extent of Pulse Alteration During Local Anesthesia in Children
Incident and extent of pulse alteration during administration of various modes of local anesthesia in children during routine dental treatment.
- Trial name
- NCT02328729
- Testing
- mandibular block with Epinephrine, C-CLAD-IL with Epinephrine, Infiltration with Epinephrine
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Tel Aviv University
Long QT Syndrome
KCNQ1 Cascade Screening
The objectives of the protocol are to: (1) evaluate the uptake of cascade screening and preventative therapies after the implementation of a simplified screening process and (2) assess proband and family member perspectives about…
- Trial name
- NCT03783975
- Testing
- Simplified Cascade Screening
- Where
- United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Tachycardia, Hypertension
To Observe Haemodynamic Parameters Including, Heart Rate, Blood Pressure, Respiratory Rate , and Oxygen Saturation, With or Without Giving Reversal Agent on Extubation, in Patients Receiving Single Shot of Atracurium , and to Observe Post Operative Residual Paralysis and Airway Reflexes in PACU.
The goal of this clinical trial is to to observe the haemodynamic parameters including Heart Rate Blood pressure Respiratory rate and Oxygen Saturation with or without giving reversal agent on extubation in patients receiving…
- Conditions
- Tachycardia, Hypertension, Hypoxia, Hyperventilation
- Trial name
- NCT07097441
- Testing
- neostigmine (reversal agent)
- Where
- Pakistan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ziauddin University
Bundle-Branch Block, Heart Septal Defects, Ventricular
Right Bundle Branch Block After Surgical Closure of Ventricular Septal Defect
The most common congenital heart disease is the ventricular septal defect, and after surgical closure of a such defect, an arrythmia called the right bundle branch block, is very frequent.
- Trial name
- NCT01480908
- Testing
- Echocardiography at rest, Echocardiography during exercise, MRI at rest
- Where
- Denmark
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Ventricular Tachycardia
Calmodulin Gene Mutations in Patients With Ventricular Arrhythmia of Unknown Origin - A Screening Study
The aim of this study is to screen a well characterized patient population with ventricular tachycardia of unknown origin and treated with an implantable cardioverter-defibrillator (ICD) for mutations in the calmodulin genes.
- Trial name
- NCT01947543
- Where
- Sweden
- Volunteers
- healthy volunteers welcome
- Sponsor
- Region Örebro County
Sensorineural Hearing Loss, Long QT Syndrome
Determine the Incidence of Long QT Amongst a Large Cohort of Subjects Diagnosed With Unilateral or Bilateral Sensorineural Hearing Loss.
The purpose of this study is to determine the true incidence of long QT (LQT) amongst a large cohort of subjects diagnosed with unilateral (right/left) or bilateral sensorineural hearing loss.
- Trial name
- NCT02082431
- Where
- 12 sites in United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Pediatrix
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