Clinical trials: Long QT Syndrome
Long QT Syndrome
LQT and Smartphone/Smartwatch
Congenital long QT syndrome (LQTS) is a rare genetic disorder characterized by prolongation of the corrected QT interval (QTc) on the electrocardiogram.
- Trial name
- SMART-QT (NCT04728100)
- Testing
- LQT
- Where
- France
- Volunteers
- 111 people
- Sponsor
- Hospices Civils de Lyon
Cardiac Arrest, Long QT Syndrome
Registry of Unexplained Cardiac Arrest
The CASPER will collect systematic clinical assessments of patients and families within the multicenter Canadian Inherited Heart Rhythm Research Network.
- Conditions
- Cardiac Arrest, Long QT Syndrome, Brugada Syndrome, Catecholaminergi Polymorphic Ventricular Tachycardia
- Trial name
- NCT00292032
- Where
- Canada
- Volunteers
- 1,529 people
- Sponsor
- University of British Columbia
Long QT Syndrome
Multicenter Evaluation of Children and Young Adults With Genotype Positive Long QT Syndrome
The purpose of the study is to provide comprehensive follow-up in patients with Long QT Syndrome (LQTS) and gain additional information regarding genotype-phenotype correlation and effective management and treatment options.
- Trial name
- NCT01705925
- Where
- United States
- Volunteers
- 92 people
- Sponsor
- Pediatrix
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
Long QT Syndrome
Building of a Diagnostic/Prognostic Database for Human ERG Variant Effects
Cardiac channelopathies induce severe heart rhythm or conduction disorders. Mutations of the KCNH2 gene, that encodes the human (h) ERG channel, is responsible for 30-40% of all cases of long QT syndrome (inherited LQT2).
- Trial name
- CarDiag (NCT06087367)
- Where
- 2 sites in France
- Volunteers
- 600 people
- Sponsor
- Nantes University Hospital
Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1
Baby Detect : Genomic Newborn Screening
Newborn screening (NBS) is a global initiative of systematic testing at birth to identify babies with pre-defined severe but treatable conditions.
- Conditions
- Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1, Phosphoglucomutase 1 Deficiency, Maturity Onset Diabetes of the Young
- Trial name
- BabyDetect (NCT05687474)
- Where
- Belgium
- Volunteers
- 6,824 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Liege
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
Ventricular Tachycardia, Ventricular Fibrillation
Pediatric Lead Extractability and Survival Evaluation (PLEASE)
This is a randomized, prospective clinical trial comparing 2 different types of implantable cardioverter defibrillator (ICD) leads in children and patients with congenital heart disease.
- Conditions
- Ventricular Tachycardia, Ventricular Fibrillation, Cardiomyopathy, Long QT Syndrome
- Trial name
- NCT00335036
- Testing
- ICD lead implant, Thin leads
- Where
- United States
- Volunteers
- 748 people
- Sponsor
- Charles Berul
Azithromycin Adverse Reaction, Covid19
The Effect of Azithromycin Use on Conduction System of Heart in COVID-19 Positive Children
Azithromycin (AZ) is used in the pediatric group in COVID-19 diseas. It has been reported to cause prolongation in the QT interval in adult age group.
- Conditions
- Azithromycin Adverse Reaction, Covid19, Long QT Syndrome
- Trial name
- NCT04699097
- Testing
- Azithromycin
- Where
- Turkey (Türkiye)
- Volunteers
- 105 people
- Sponsor
- Kayseri City Hospital
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
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)
Long QT Syndrome
The Canadian National Long QT Syndrome Registry
The NLQTS Research Network team aims to build a Canadian collaboration of dedicated investigators that will create a new paradigm in the modern investigation of patients with LQTS and in the description of a new disease modifier.
- Trial name
- LQTSREG (NCT02425189)
- Where
- Canada
- Volunteers
- 1,051 people
- Sponsor
- Andrew Krahn
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
Long QT Syndrome (LQTS) 2
Evaluation of the Efficacy and Safety of THRV-1268 in Participants With Long QT Syndrome Type 2 (LQTS2) and Type 3 (LQTS3)
The goal of this clinical trial is to learn whether the study drug THRV-1268 can safely and effectively shorten the QT interval in people diagnosed with Long QT Syndrome Type 2 (LQTS 2) and Long QT Syndrome Type 3 (LQTS 3).
- Trial name
- Wave II (NCT07277582)
- Testing
- baseline lead-in, THRV-1268
- Where
- 9 sites in United States
- Volunteers
- 84 people
- Sponsor
- Thryv Therapeutics, Inc.
Long QT Syndrome
Measurement of the Electromechanical Window to Improve the Diagnosis of Congenital Long QT Syndrome
The goal of this research is to prospectively evaluate the performance of the electromechanical window according to a phonographic method, as a mean of diagnosis of long QT syndrome, and to compare its performance with routine…
- Trial name
- FEMQT (NCT04328376)
- Testing
- ECG coupled to phonocardiography
- Where
- 4 sites in France
- Volunteers
- 224 people
- Sponsor
- University Hospital, Bordeaux
Long QT Syndrome, Brugada Syndrome
Physical Activity in Children With Inherited Cardiac Diseases
Use lay language. Current guidelines regarding physical activity in patients with inherited arrhythmia and cardiomyopathy are mostly dedicated to adult patients, with a special focus on sports competition.
- Conditions
- Long QT Syndrome, Brugada Syndrome, Catecholaminergic Polymorphic Ventricular Tachycardia, Hypertrophic Cardiomyopathy
- Trial name
- NCT04650009
- Where
- France
- Volunteers
- 28 people
- Sponsor
- University Hospital, Montpellier
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
Long QT Syndrome, Hypertrophic Cardiomyopathy
Molecular Genetic Screening and Identification of Congenital Arrhythmogenic Diseases
The aim of this study is the identification of familial congenital arrhythmogenic disorders and their clinical follow-up.
- Conditions
- Long QT Syndrome, Hypertrophic Cardiomyopathy, Arrhythmogenic Right Ventricular Dysplasia
- Trial name
- NCT00221832
- Where
- Germany
- Volunteers
- 300 people
- Sponsor
- Heidelberg University
QT Prolongation
QT Interval in Athletes
QT interval prolongation occurs in athletes and causes concerns, as it may indicate the life-threatening long QT syndrome (LQTS).
- Trial name
- ERAS (NCT05759260)
- Testing
- Observation
- Where
- Italy
- Volunteers
- 869 people
- Sponsor
- Istituto Auxologico Italiano
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