Clinical trials: Long QT Syndrome
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
Long QT Syndrome
Pharmacokinetics of Eleclazine in Adults With Normal and Impaired Hepatic Function
The primary objective of this study is to evaluate the pharmacokinetic (PK) profile of oral eleclazine and its metabolite, GS-623134, in participants with normal and impaired hepatic function.
- Trial name
- NCT02412098
- Testing
- Eleclazine
- Where
- 7 sites in United States, Germany and 2 more
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Gilead Sciences
Aneuploidy, Infertility
A Time-lapse Monitoring Prospective Study
While numerous types of commercially available human embryo culture media exist for human blastocyst culture, the impact of culture conditions on blastocyst development and aneuploidy formation is not fully understood.
- Trial name
- NCT04901247
- Testing
- media refreshment, embryo grading
- Where
- 2 sites in United Arab Emirates
- Volunteers
- 50 people
- Sponsor
- ART Fertility Clinics LLC
Torsades de Pointe Caused by Drug, Long QT Syndrome
Continuous Versus Intermittent cARdiac Electrical moNitorinG
The purpose of this study is to validate the continuous patch monitoring system to evaluate cardiac arrhythmias in patients receiving drugs that can cause cardiac complications and compare the continuous patch system with…
- Trial name
- CARING (NCT04336644)
- Testing
- BodyGuardian Mini Plus
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Washington University School of Medicine
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
Healthy
A Dose Ranging Escalation Study of Tramadol Hydrochloride in Healthy Volunteers
The purpose of this study is to determine the safety and tolerability profile of tramadol hydrochloride (HCl) given as oral doses every 6 hours, within the range of dosages supported by currently available toxicology and clinical…
- Trial name
- NCT01947920
- Testing
- Tramadol HCl, 50 mg
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Janssen Scientific Affairs, LLC
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
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 1-2, Sudden Cardiac Death
Exploring Mechanisms and Morphology of QT Interval Prolongation
The projects will try and optimise the risk stratification for patients with Long QT syndrome by investigating how the exposure of physical and acoustic stress will affect the QT-dynamics and if beta blockers protect against…
- Trial name
- TriQarr (NCT03291145)
- Testing
- Beta Blockers, Spironolactone
- Where
- Denmark
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Herlev and Gentofte Hospital
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
Romano-Ward Syndrome, Long QT Syndrome
Evaluation of the Effects of KCNQ1 Mutation on Insulin Tolerance and Obsessive Compulsive Features in Long QT Romano-Ward Syndrome Patients.
The objectives of the study are to investigate if KCNQ1 mutation in Romano-Ward long QT patients can be associated with changes in insulin regulation and with psychological features of compulsivity, impulsivity and behavioural…
- Conditions
- Romano-Ward Syndrome, Long QT Syndrome, Compulsive Behavior, Healthy Individuals
- Trial name
- PRIME (NCT04715256)
- Testing
- Cognitive assessment of obsessive-compulsive and impulsive behaviours, Genomic analysis, Glucoregulation assessment
- Where
- 2 sites in France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Biotrial
High Risk Pregnancy, Congenital Heart Disease
Fetal Electrophysiologic Abnormalities in High-Risk Pregnancies Associated With Fetal Demise
Each year world-wide, 2.5 million fetuses die unexpectedly in the last half of pregnancy, 25,000 in the United States, making fetal demise ten-times more common than Sudden Infant Death Syndrome.
- Conditions
- High Risk Pregnancy, Congenital Heart Disease, Fetal Hydrops, Twin Monochorionic Monoamniotic Placenta
- Trial name
- NCT03775954
- Testing
- Fetal Magnetocardiogram and Neonatal Electrocardiogram, Substudy only: Maternal/Infant Pharmacogenomic assessment postnatally
- Where
- 2 sites in United States
- Volunteers
- 30 people
- Sponsor
- Medical College of Wisconsin
Prolonged QT Interval in EKG and Sudden Death
Influence of Progesterone Administration on Drug-Induced QT Interval Lengthening
Female sex is an independent risk factor for the potentially fatal drug-induced arrhythmia (irregular heartbeat) known as torsades de pointes (TdP), which is associated with prolongation of the corrected QT (QTc) interval on the…
- Trial name
- NCT01929083
- Testing
- Progesterone, Ibutilide
- Where
- 2 sites in United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Indiana University
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
Long QT Syndrome, Abnormalities, Drug-Induced
Reducing the Risk of Drug-Induced QT Interval Lengthening in Women
This research will determine if oral progesterone attenuates drug-induced QT interval lengthening in a) Postmenopausal women 50 years of age or older, and b) Premenopausal women studied during the ovulation phase of the menstrual…
- Trial name
- NCT03834883
- Testing
- Progesterone, Ibutilide
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Indiana University
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
Influence of Testosterone Administration on Drug-Induced QT Interval Prolongation and Torsades de Pointes
Torsades de pointes (TdP) is a potentially fatal ventricular arrhythmia associated with corrected QT (QTc) interval prolongation.
- Trial name
- NCT02513940
- Testing
- Testosterone, Progesterone, Ibutilide
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Indiana University
Infertility, Complications; Cesarean Section
Does Cesarean Section Scar Defect (Niche) Affect Implantation Rate?
Cesarean scar defects (CSDs), i.e. deficient uterine scars following a cesarean section, involve discontinuity at the site of a previous Cesarean section scar.
- Trial name
- NCT02371486
- Testing
- hysteroscopic repair of cesarean section defect, Diagnostic Hysteroscopy, Ultrasound Scan
- Where
- Israel
- Volunteers
- 150 people
- Sponsor
- Sheba Medical Center
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
Healthy Volunteers
Genetic Sources of Variability of the Adaptation of the Ventricular Repolarisation
The main objective is to research for genetic factors involved in the extreme modifications of the QT interval of the electrocardiogram in answer to a pharmacological stimulation (sotalol) and physiological stimulation in the…
- Trial name
- Generepol (NCT00773201)
- Testing
- Sotalol 80 mg
- Where
- France
- Volunteers
- 997 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris