9. The patient has normal cardiac function in the opinion of the investigator and supported by left ventricular ejection fraction (LVEF) 50% or greater on the screening echocardiogram, no significant abnormalities on the screening ECG (eg, left bundle branch block, III degree AV block, acute myocardial infarction or QTc interval > 450 msec) and no history of additional risk factors for torsade de pointes (eg, heart failure, hypokalemia or family history of Long QT Syndrome).