38 studies found for:    "Jervell and Lange-Nielsen syndrome" OR "Long QT Syndrome"
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Rank Status Study
21 Recruiting Efficacy Study of Sodium Channel Blocker in LQT3 Patients
Condition: Long QT Syndrome
Interventions: Drug: Placebo;   Drug: Ranolazine
22 Completed
Has Results
Effect of Beta-blocker Therapy on QTc Response in Exercise and Recovery in Normal Subjects
Conditions: Long QT Syndrome;   Cardiac Repolarization
Interventions: Drug: Placebo;   Drug: Propranolol LA
23 Terminated Pediatric Lead Extractability and Survival Evaluation (PLEASE)
Conditions: Ventricular Tachycardia;   Ventricular Fibrillation;   Cardiomyopathy;   Long QT Syndrome;   Congenital Heart Disease
Intervention: Device: ICD lead implant
24 Completed Study Evaluating the Effects of Multiple Oral Doses of ERB-041 on Cardiac Repolarization in Healthy Subjects
Conditions: Healthy;   Long QT Syndrome
Intervention: Drug: ERB-041
25 Recruiting Registry of Unexplained Cardiac Arrest
Conditions: Cardiac Arrest;   Long QT Syndrome;   Brugada Syndrome;   Catecholaminergi Polymorphic Ventricular Tachycardia;   Idiopathic VentricularFibrillation;   Early Repolarization Syndrome;   Arrhythmogenic Right Ventricular Cardiomyopathy
Intervention:
26 Completed Epidemiology of Long QTand Asian Sudden Death in Sleep
Conditions: Cardiovascular Diseases;   Heart Diseases;   Arrhythmia;   Death, Sudden, Cardiac;   Long QT Syndrome
Intervention:
27 Recruiting Worm Study: Modifier Genes in Sudden Cardiac Death
Conditions: Brugada Syndrome;   Long QT Syndrome 3
Interventions: Procedure: Dermal biopsy;   Behavioral: Gastro-intestinal questionnaire;   Genetic: Whole-exome sequencing
28 Recruiting A Registry to Determine the Clinical and Genetic Risk Factors for Torsade De Pointes
Conditions: Long qt Syndrome;   Torsade de Pointes
Intervention:
29 Completed
Has Results
Influence of Progesterone Administration on Drug-Induced QT Interval Lengthening
Condition: Prolonged QT Interval in EKG and Sudden Death
Interventions: Drug: Progesterone;   Drug: Placebo;   Drug: Ibutilide
30 Not yet recruiting Fat and Sugar Metabolism During Exercise in Patients With Metabolic Myopathy
Conditions: Metabolism, Inborn Errors;   Lipid Metabolism, Inborn Errors;   Carbohydrate Metabolism, Inborn Errors;   Long-Chain 3-Hydroxyacyl-CoA Dehydrogenase Deficiency;   Glycogenin-1 Deficiency (Glycogen Storage Disease Type XV);   Carnitine Palmitoyl Transferase 2 Deficiency;   VLCAD Deficiency;   Medium-chain Acyl-CoA Dehydrogenase Deficiency;   Multiple Acyl-CoA Dehydrogenase Deficiency;   Carnitine Transporter Deficiency;   Neutral Lipid Storage Disease;   Glycogen Storage Disease Type II;   Glycogen Storage Disease Type III;   Glycogen Storage Disease Type IV;   Glycogen Storage Disease Type V;   Muscle Phosphofructokinase Deficiency;   Phosphoglucomutase 1 Deficiency;   Phosphoglycerate Mutase Deficiency;   Phosphoglycerate Kinase Deficiency;   Phosphorylase Kinase Deficiency;   Beta Enolase Deficiency;   Lactate Dehydrogenase Deficiency;   Glycogen Synthase Deficiency
Intervention: Other: Sugar
31 Recruiting Biomarker for Glycogen Storage Diseases
Conditions: Fructose Metabolism, Inborn Errors;   Glycogen Storage Disease;   Glycogen Storage Disease Type I;   Glycogen Storage Disease Type II;   Glycogen Storage Disease Type III;   Glycogen Storage Disease Type IV;   Glycogen Storage Disease Type V;   Glycogen Storage Disease Type VI;   Glycogen Storage Disease Type VII;   Glycogen Storage Disease Type VIII
Intervention:
32 Completed Triheptanoin Treatment Trial for Patients With Adult Polyglucosan Body Disease
Conditions: Adult Polyglucosan Body Disease;   Glycogen Brancher Enzyme Deficiency;   Glycogen Storage Disease Type IV
Interventions: Drug: Triheptanoin;   Dietary Supplement: Vegetable Oil
33 Terminated Effect of Potassium and Acetazolamide on People With Andersen-Tawil Syndrome
Condition: Andersen-Tawil Syndrome
Interventions: Dietary Supplement: Potassium;   Drug: Acetazolamide
34 Completed Characteristics of Andersen-Tawil Syndrome
Conditions: Andersen-Tawil Syndrome;   Andersen Syndrome
Intervention:
35 Completed Genetic Sources of Variability of the Adaptation of the Ventricular Repolarisation
Condition: Healthy Volunteers
Intervention: Drug: Sotalol 80 mg
36 Terminated Infant Medical Records: Case Report Proposal
Condition: Congenital Disorders
Intervention:
37 Completed The Effect of General Anesthesia on the Risk for Arrhythmia
Condition: Arrhythmia
Intervention:
38 Recruiting Effect of GS-6615 on QT, Safety, and Tolerability in Adults With Long QT2 Syndrome
Condition: LQT2 Syndrome
Interventions: Drug: GS-6615;   Drug: Placebo

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Indicates status has not been verified in more than two years