- Impaired cardiac function (for example, left ventricular ejection fraction less than [<] 45 percent defined by echocardiograph or other study), history of uncontrolled serious arrhythmia, unstable angina pectoris, congestive heart failure (new york heart association [NYHA] Grade III and IV), myocardial infarction within the last 12 months prior to trial entry, or signs of pericardial effusion