34 studies found for:    "Andersen-Tawil 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
26 Completed Epidemiology of Long QTand Asian Sudden Death in Sleep
Conditions: Cardiovascular Diseases;   Heart Diseases;   Arrhythmia;   Death, Sudden, Cardiac;   Long QT Syndrome
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
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
30 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
31 Completed Genetic Sources of Variability of the Adaptation of the Ventricular Repolarisation
Condition: Healthy Volunteers
Intervention: Drug: Sotalol 80 mg
32 Terminated Infant Medical Records: Case Report Proposal
Condition: Congenital Disorders
33 Completed The Effect of General Anesthesia on the Risk for Arrhythmia
Condition: Arrhythmia
34 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