Clinical trials: QT-prolongation
Cardiology: RR / QT
Selections of Subjects With Important Changes in Their Cardiac Repolarization Parameters for the Procurement of Skin and Blood Samples
The study main objective is to assess the changes in the ventricular repolarization (measure by the delta QTcf) after drug induced stimulation, compare to placebo, in order to identify subjects with extreme responses and…
- Trial name
- iQTEST (NCT01338441)
- Testing
- Erythromycin
- Where
- France
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Ectycell SASU
Drug-induced QT Prolongation, Pharmacokinetics
CiPA Phase 1 ECG Biomarker Validation Study
This study will assess whether exposure response analysis of the electrocardiographic QTc and J-Tpeakc intervals in Phase 1 clinical pharmacology studies can be used to confirm that drugs that predominantly block the potassium…
- Conditions
- Drug-induced QT Prolongation, Pharmacokinetics, Pharmacodynamics
- Trial name
- NCT03070470
- Testing
- Ranolazine, Verapamil, Lopinavir / Ritonavir
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Food and Drug Administration (FDA)
Long QT Syndrome, Cardiac Repolarization
Effect of Beta-blocker Therapy on QTc Response in Exercise and Recovery in Normal Subjects
Background. In congenital long QT syndrome type 1 (LQT1), episodes of ventricular tachycardia are usually triggered by exercise and can be prevented in most patients by beta-blocker therapy.
- Trial name
- NCT00588965
- Testing
- Propranolol LA
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- MetroHealth Medical Center
QT-prolongation
Drug Interactions With Risk of QT-prolongation in a General Hospital
In this epidemiological point prevalence study, medication profiles of patients with haloperidol treatment will be checked for drug interactions with risk of QT-prolongation.
- Trial name
- NCT02043912
- Testing
- Haloperidol
- Where
- Belgium
- Volunteers
- 222 people
- Sponsor
- KU Leuven
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
Qt Interval, Variation in
Investigation of Arrhythmogenic Effect of NPC-15 (NPC-15-7)
A study to assess the QTc prolongation effect of NPC-15 (melatonin 8mg or 16mg)
- Trial name
- NCT03475459
- Where
- Japan
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Nobelpharma
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
Drug-induced QT Prolongation, Pharmacokinetics
Electrophysiological Effects of Potential QT Prolonging Drugs
Since 2005, FDA has required almost all new drugs be tested for their ability to prolong the QT interval through clinical studies. This requirement stems from the increased TdP risk QT interval prolongation can cause.
- Conditions
- Drug-induced QT Prolongation, Pharmacokinetics, Pharmacodynamics
- Trial name
- NCT05716854
- Testing
- Clarithromycin, Pimozide, Moxifloxacin
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Food and Drug Administration (FDA)
Brugada Syndrome, Long QT Syndrome 3
Worm Study: Modifier Genes in Sudden Cardiac Death
Quest for modifier genes associated with ventricular arrhythmias in presence of a cardiac sodium channel gene (SCN5A-delPhe1617) mutation.
- Trial name
- NCT02014961
- Testing
- Dermal biopsy, Gastro-intestinal questionnaire, Whole-exome sequencing
- Where
- Netherlands
- Volunteers
- 223 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
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
ICSI, IVF
Dual Trigger VS HCG Trigger for Final Oocyte Maturation in Normal Responders
To compare the embryological and reproductive outcomes of dual trigger versus conventional hCG trigger for final oocyte maturation in normal responder patients undergoing ICSI cycles.
- Conditions
- ICSI, IVF, Normal Responders, Infertility Assisted Reproductive Technology
- Trial name
- DT-HCG-IVF (NCT07861399)
- Testing
- Dual trigger (human chorionic gonadotropin plus GnRH-agonist), hCG trigger
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Al-Azhar University
Congenital Disorders
Infant Medical Records: Case Report Proposal
Infants with congenital long QT syndrome (LQTS) and 2:1 atrioventricular block (AVB) have been recognized as a clinical subset of children with LQTS.
- Trial name
- NCT00268060
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Children's Healthcare of Atlanta
Cardiomyopathy, Hypertrophic, Cardiomyopathy, Dilated
National Network for Cardiovascular Genomics: Advancing Cardiovascular Healthcare for Hereditary Diseases in Brazil's Unified Health System Through a Multicenter Registry
The goal of this observational study is to develop a registry of Brazilian patients with hereditary cardiovascular diseases, combining clinical and genomic data.
- Conditions
- Cardiomyopathy, Hypertrophic, Cardiomyopathy, Dilated, Cardiomyopathy Restrictive, Arrhythmogenic Right Ventricular Dysplasia
- Trial name
- RENOMICA-Hcor (NCT06546137)
- Testing
- whole genome sequencing
- Where
- 27 sites in Brazil
- Volunteers
- 1,211 people
- Sponsor
- Hospital do Coracao
Long QT Syndrome Type 3
Long Term Prophylactic Therapy of Congenital Long QT Syndrome Type III (LQT3) With Ranolazine
The purpose of this study is to determine whether ranolazine will reduce the risk of arrhythmic events in patients with long QT syndrome type 3.
- Trial name
- NCT01728025
- Testing
- Ranolazine
- Where
- Israel
- Volunteers
- 10 people
- Sponsor
- Tel-Aviv Sourasky Medical Center
Long QT Syndrome, Hypoglycemia
The Physiological Effects of Human Ether-a-go-go-Related Gene (hERG)Blockade on Metabolism
The human ether-a-go-go-related gene HERG (encoding Kv11.1 potassium channels) is expressed in different parts of the body including the heart, pancreas and intestines.
- Trial name
- NCT03868657
- Testing
- Moxifloxacin
- Where
- Denmark
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Signe Torekov
Qt Interval, Variation in, Adverse Effect of Selective Serotonin Reuptake Inhibitors
Effect of Antenatal SSRI Exposure on the QT Interval of Neonates
Selective Serotonin Reuptake Inhibitors (SSRIs) are a group of antidepressants that suppress the re-absorption of a chemical called Serotonin in the brain, and improve mood.
- Trial name
- SSRIs (NCT02492347)
- Testing
- Electrocardiogram
- Where
- United Kingdom
- Volunteers
- 88 people
- Sponsor
- University of Southampton
Long QT Syndrome
Prevalence of Congenital Long QT Syndrome and Acquired QT Prolongation in a Hospital Cohort
The Long QT syndrome is associated with potentially life-threatening cardiac arrhythmias as ventricular tachycardia (Torsade de pointes) as well as ventricular fibrillation, and might lead to syncope as well as sudden cardiac…
- Trial name
- NCT03544918
- Where
- Norway
- Volunteers
- 1,536 people
- Sponsor
- Sykehuset Telemark
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
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
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