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
Congenital Disorders
Low-dose Epinephrine Infusion Tests in Adolescent and Pediatric Patients
Long QT syndrome (LQTS)is a cardiac disorder that may lead to ventricular arrythmias and culminate in syncope and/or possible death.
- Trial name
- LEAP (NCT00548886)
- Testing
- Epinephrine
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- Emory University
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
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
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.
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
Cardiovascular Diseases, Heart Diseases
Epidemiology of Long QTand Asian Sudden Death in Sleep
To conduct a cross-sectional epidemiologic study of the determinants of prolonged heart rate corrected QT interval (QTc) among 300 men and 300 woman in the population with the highest known risk of SUDS: Southeast Asian refugees…
- Conditions
- Cardiovascular Diseases, Heart Diseases, Arrhythmia, Death, Sudden, Cardiac
- Trial name
- NCT00005367
- Sponsor
- Utah State University
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
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
Long QT Syndrome
The Long QT Syndrome in Pregnancy
Long QT Syndrome (LQTS) is a disease of young adults and can affect women of child bearing age. Suffers of LQTS are at risk of ventricular dysrhythmias including torsades de pointes and ventricular fibrillation.
- Trial name
- NCT00488254
- Where
- Canada
- Volunteers
- 12 people
- Sponsor
- University of British Columbia
Hypertrophic Cardiomyopathy, Long QT Syndrome
Exercise in Genetic Cardiovascular Conditions
The goal is to determine how lifestyle and exercise impact the well-being of individuals with hypertrophic cardiomyopathy (HCM) and long QT syndrome (LQTS).
- Trial name
- LIVE-HCM/LQT (NCT02549664)
- Where
- 36 sites in United States, Australia and 3 more
- Volunteers
- 4,299 people
- Sponsor
- Yale University
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
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
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
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
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
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
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
Adverse Reaction to Other Drugs and Medicines
5-HT3 Antagonists (Antiemetics) and Cardiac Safety
5-HT3 antagonists (ondansetron) are highly effective medications for the treatment of nausea and vomiting. However, these medications also associated with potentially severe and life-threatening cardiac adverse drug reactions…
- Trial name
- NCT02436798
- Testing
- Ondansetron
- Where
- Canada
- Volunteers
- 266 people
- Sponsor
- University of British Columbia
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