52 studies found for:    "Andersen-Tawil syndrome" OR "Long QT Syndrome"
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Rank Status Study
21 Suspended Fetal and Neonatal Magnetophysiology
Conditions: Fetal Arrhythmia;   Abnormality in Fetal Heart Rate or Rhythm;   Long QT Syndrome
Interventions: Device: magnetocardiography;   Device: postnatal ECG;   Device: fetal echocardiography
22 Unknown  Molecular Genetic Screening and Identification of Congenital Arrhythmogenic Diseases
Conditions: Long QT Syndrome;   Hypertrophic Cardiomyopathy;   Arrhythmogenic Right Ventricular Dysplasia
Intervention:
23 Completed QT-prolongation in Psychiatric Hospitals
Condition: QT-prolongation
Intervention: Drug: drugs linked with QT-prolongation
24 Completed Pharmacokinetics of Eleclazine in Adults With Normal and Impaired Renal Function
Condition: Long QT Syndrome
Intervention: Drug: Eleclazine
25 Completed Pharmacokinetics of Eleclazine in Adults With Normal and Impaired Hepatic Function
Condition: Long QT Syndrome
Intervention: Drug: Eleclazine
26 Recruiting Efficacy Study of Sodium Channel Blocker in LQT3 Patients
Condition: Long QT Syndrome
Interventions: Drug: Placebo;   Drug: Ranolazine
27 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
28 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
29 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
30 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:
31 Completed Epidemiology of Long QTand Asian Sudden Death in Sleep
Conditions: Cardiovascular Diseases;   Heart Diseases;   Arrhythmia;   Death, Sudden, Cardiac;   Long QT Syndrome
Intervention:
32 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
33 Completed Risk of QT-prolongation and Torsade de Pointes in Patients Treated With Acute Medication in a University Hospital
Conditions: Delirium;   QT-prolongation
Intervention: Drug: Haloperidol, azi/clari/erythromycin, levo/moxifloxacin, co-trimoxazole, vori/keto/flu/itraconazole, methadone, tacrolimus, sunitinib
34 Completed Drug Interactions With Risk of QT-prolongation in a General Hospital
Condition: QT-prolongation
Intervention: Drug: Haloperidol
35 Recruiting A Registry to Determine the Clinical and Genetic Risk Factors for Torsade De Pointes
Conditions: Long qt Syndrome;   Torsade de Pointes
Intervention:
36 Completed Does Azithromycin Cause QT Prolongation in Hospitalized Patients With Severe Community Acquired Pneumonia?
Condition: Pneumonia
Intervention:
37 Unknown  Race Difference Moxifloxacin-induced QT Prolongation Between Healthy Chinese and Caucasian Volunteers
Condition: Cardiac Toxicity
Intervention: Drug: Moxifloxacin
38 Not yet recruiting QT-Prolongation in Lung Transplantation
Condition: Disorder Related to Lung Transplantation
Intervention: Device: Electrocardiography
39 Completed Effects Rapid Atrial Pacing Has on the Electrocardiogram (ECG) in Patients With Dual Chamber Pacemakers
Condition: Prolonged QT Interval
Intervention:
40 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

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Indicates status has not been verified in more than two years