- Comorbidities such as clinically significant cardiac valvular stenosis, aortic valvular disease, restrictive cardiomyopathy, hypertrophic obstructive cardiomyopathy, constrictive pericarditis, primary pulmonary hypertension, infiltrative disease, uncorrected congenital heart disease, acute coronary syndrome, restrictive heart failure, or any other condition which, in the opinion of the Investigator, would prevent a patient's participation in the study.