- History of myocardial infarction, unstable symptomatic ischemic heart disease, uncontrolled hypertension despite appropriate medical therapy, any ongoing cardiac arrhythmias of Grade > 2, thromboembolic events (e.g., deep vein thrombosis, pulmonary embolism, or symptomatic cerebrovascular events), or any other cardiac condition (egg, pericardial effusion or restrictive cardiomyopathy) within 6 months before receiving the first dose of study drug. Chronic stable atrial fibrillation on stable anticoagulant therapy is allowed. Patients with a pacemaker may be enrolled in the study upon discussion with the project clinician