Long QT Syndrome - 35 Studies Found Completed : The Long QT Syndrome in Pregnancy : Long QT Syndrome : 2007-06-18 Recruiting : Long QT Syndrome Screening in Newborns : Long QT Syndrome : 2015-04-01 : Device: QTScreen ECG Recorder Subjects will be randomly assigned to the: Parents Performing ECG (PPE) gr Recruiting : The Canadian National Long QT Syndrome Registry : Long QT Syndrome : 2014-11-13 Recruiting : Prospective Identification of Long QT Syndrome in Fetal Life : Long QT Syndrome : 2016-08-08 Recruiting : Multicenter Evaluation of Children and Young Adults With Genotype Positive Long QT Syndrome : Long QT Syndrome : 2012-10-04 Not yet recruiting : Effect of Grapefruit on QT Interval in Healthy Volunteers and Patients With Congenital Long QT Syndrome : Long QT Syndrome : 2016-01-28 : Drug: Moxifloxacin a single 40 Terminated : Effect of Eleclazine on Shortening of the QT Interval, Safety, and Tolerability in Adults With Long QT Syndrome Type 3 : Long QT Syndrome Type 3 : 2014-11-21 : Drug: Eleclazine Eleclazine ta Recruiting : Abnormal QT-Response to the Sudden Tachycardia Provoked by Standing in Individuals With Drug-induced Long QT Syndrome : Long QT Syndrome : 2015-10-08 : Device: tilt table Participating individuals will be instr Completed : Effect of Oral GS-6615 on Dofetilide-Induced QT Prolongation, Safety, and Tolerability in Healthy Adults : Long QT Syndrome : 2015-02-13 : Drug: GS-6615 GS-6615 tablets Recruiting : Long Term Prophylactic Therapy of Congenital Long QT Syndrome Type III (LQT3) With Ranolazine : Long QT Syndrome Type 3 : 2012-11-12 : Drug: Ranolazine Other Name: Ranexa Next >>>