Clinical trials: QT-prolongation
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
Cardiovascular Diseases, Heart Diseases
Long QT Syndrome-Population Genetics and Cardiac Studies
To investigate the clinical, genetic and cardiologic aspects of the Long QT Syndrome, a predominantly hereditary disease with episodic malignant arrhythmias and sudden death, and a demonstrated gene linkage in a large pedigree.
- Conditions
- Cardiovascular Diseases, Heart Diseases, Ventricular Arrhythmia, Long QT Syndrome
- Trial name
- LQTS (NCT00005176)
- Where
- United States
- Volunteers
- 2,125 people
- Sponsor
- University of Rochester
Long QT Syndrome
Study of the Effect of GS-6615 in Subjects With LQT-3
This mechanism of action study is to evaluate the effect of oral GS-6615 on the QTc interval in participants with Long QT-3 syndrome.
- Trial name
- NCT01849003
- Testing
- GS-6615
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Gilead Sciences
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
Jervell and Lange Nielsen Syndrome
Diltiazem in Jervell and Lange-Nielsen Syndrome
This study will test the effect of diltiazem, a calcium channel blocking drug, on the QT interval in patients with Jervell and Lange-Nielsen syndrome.
- Trial name
- NCT06534671
- Testing
- diltiazem
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Vanderbilt University Medical Center
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
Coronary Artery Disease
Study to Evaluate the QT / QTc Interval Prolongation Potential of Vericiguat
The primary objective of this study was to investigate whether there is a clinically meaningful effect on QTc change from baseline relative to placebo after administration of 10 mg at steady state in patients with stable CAD…
- Trial name
- NCT03504982
- Testing
- Vericiguat (BAY1021189), Moxifloxacin
- Where
- 8 sites in Germany, Moldova and 1 more
- Volunteers
- 74 people
- Sponsor
- Bayer
Endometriosis, Ovarian Cysts
Danazol Treatment in Endometriosis Women Before IVF
The purpose of this study is to determine whether pre-treatment with danazol for at least 4 months before controlled ovarian hyperstimulation for IVF cycles improves pregnancy rate.
- Conditions
- Endometriosis, Ovarian Cysts, Infertility
- Trial name
- NCT01779232
- Testing
- Danazol
- Where
- Italy
- Volunteers
- 150 people
- Sponsor
- Centre for Endocrinology and Reproductive Medicine, Italy
Liver Cirrhosis
Prevelance of Fragmented QRS Complex and Prolonged QT Interval in Cirrhotic Patients
.Cardiac affection in liver cirrhosis is a clinical condition characterized by impaired diastolic relaxation and contractility with electrophysiological abnormalities.
- Trial name
- NCT03158701
- Volunteers
- 100 people
- Sponsor
- Assiut University
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.
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
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
Cardiovascular Diseases
The Effect of Energy Drink on Cardiovascular Variables: A Randomized Controlled Trial
Many adults in the United States regularly consumer energy drinks. Currently, the safety of energy drinks is still questionable and there are many reports associating energy drinks with adverse events including hospitalizations…
- Trial name
- NCT03841838
- Testing
- Energy drink
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of the Pacific
Anesthesia, Spinal, Sevoflurane
QT Changes in Geriatric Patients: a Comparison of Spinal and General Anesthesia
QT interval, defined as the time between the beginning of the QRS complex and the end of the T wave in electrocardiography (ECG), is an indicator of depolarization and repolarization of the myocardium.11 Prolongation of the heart…
- Conditions
- Anesthesia, Spinal, Sevoflurane, Long QT Syndrome
- Trial name
- NCT06375863
- Testing
- QT and QTc interval
- Where
- Turkey (Türkiye)
- Volunteers
- 58 people
- Sponsor
- Haseki Training and Research Hospital
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
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
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
Arrhythmias, Cardiac, Atrial Fibrillation
Clinical Cohort Study - TRUST
The "Long-term Outcome and Predictors for Recurrence after Medical and Interventional Treatment of Arrhythmias at the University Heart Center Hamburg" (TRUST) study is an investor-initiated, single-center, prospective clinical…
- Conditions
- Arrhythmias, Cardiac, Atrial Fibrillation, Atrial Flutter, Ventricular Tachycardia
- Trial name
- TRUST (NCT05521451)
- Where
- Germany
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Long QT Syndrome, Sinus Bradycardia
A Study to Evaluate Accuracy and Validity of the Chang Gung ECG Abnormality Detection Software
"Chang Gung ECG Abnormality Detection Software" is a is an artificial intelligence medical signal analysis software that detect whether patients have abnormal ECG signals of 14 diseases by static 12-lead ECG.
- Conditions
- Long QT Syndrome, Sinus Bradycardia, Sinus Tachycardia, Premature Atrial Complexes
- Trial name
- NCT05903313
- Testing
- Chang Gung ECG Abnormality Detection Software
- Where
- Taiwan
- Volunteers
- 4,306 people
- Sponsor
- Chang Gung Memorial Hospital
Long QT Syndrome, Congenital Long Qt Syndrome
Cardiac Rehabilitation of Children and Adolescent With Long QT Syndrome
Children and adolescents with inherited cardiac arrhythmia su ch Long QT Syndrome (LQTS) have lower physical and quality of life than their healthy peers.
- Conditions
- Long QT Syndrome, Congenital Long Qt Syndrome, Inherited Cardiac Conduction Disorder, Pediatric ALL
- Trial name
- RYTHMO'FIT (NCT05964322)
- Where
- 2 sites in France
- Volunteers
- 8 people
- Sponsor
- University Hospital, Montpellier