3. Clinically significant cardiac disease or family history of long-QT syndrome and/or subject and/or family history of unexplained, sudden cardiac death. History of myocardial infarction or coronary artery bypass graft is not exclusionary if occurrence is ≥ 12 months prior to the administration of study drug and the subject does not have conduction abnormality and has been stable without intervention, symptoms of ischemia or an increase in cardiovascular medications. Electrocardiography (ECG) should be compared with historical to ensure no new clinically significant changes have occurred.