35 studies found for:    "Jervell and Lange-Nielsen syndrome" OR "Long QT Syndrome"
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Rank Status Study
21 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
22 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
23 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
24 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
25 Completed Epidemiology of Long QTand Asian Sudden Death in Sleep
Conditions: Cardiovascular Diseases;   Heart Diseases;   Arrhythmia;   Death, Sudden, Cardiac;   Long QT Syndrome
26 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
27 Recruiting A Registry to Determine the Clinical and Genetic Risk Factors for Torsade De Pointes
Conditions: Long qt Syndrome;   Torsade de Pointes
28 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
29 Terminated Effect of Potassium and Acetazolamide on People With Andersen-Tawil Syndrome
Condition: Andersen-Tawil Syndrome
Interventions: Dietary Supplement: Potassium;   Drug: Acetazolamide
30 Completed Characteristics of Andersen-Tawil Syndrome
Conditions: Andersen-Tawil Syndrome;   Andersen Syndrome
31 Recruiting Effect of GS-6615 on Shortening of the QT Interval, Safety, and Tolerability in Adults With Long QT-3 Syndrome
Condition: Long QT-3 Syndrome
Interventions: Drug: GS-6615;   Drug: Placebo to match GS-6615
32 Completed Genetic Sources of Variability of the Adaptation of the Ventricular Repolarisation
Condition: Healthy Volunteers
Intervention: Drug: Sotalol 80 mg
33 Terminated Infant Medical Records: Case Report Proposal
Condition: Congenital Disorders
34 Completed The Effect of General Anesthesia on the Risk for Arrhythmia
Condition: Arrhythmia
35 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