- Known history or current episode of: Uncontrolled hypertension, Recent myocardial infarction (within one year) or a history of more than one myocardial infarction, Syncopal event within the past year, Congestive heart failure, Angina pectoris, Systolic BP <85 or >160 mmHg or diastolic BP >95 mmHg or heart rate <50 or >105 beats per minute at screening or randomization, or QTcF greater than or equal to 450 msec at screening or randomization.