8. Patients with clinically significant illnesses which could compromise participation in the study, including, but not limited to:uncontrolled diabetes;active or uncontrolled infection; acute or chronic liver disease (i.e., hepatitis, cirrhosis);confirmed diagnosis of HIV infection; or, uncontrolled hypertension, symptomatic congestive heart failure, unstable angina pectoris, myocardial infarction within the past 6 months, or uncontrolled cardiac arrhythmia.