- No other concurrent severe and/or uncontrolled medical disease that could compromise participation in the study (i.e., uncontrolled diabetes mellitus, uncontrolled cardiac disease [unstable angina], uncontrolled hypertension, congestive cardiac failure, ventricular arrhythmias, active ischemic heart disease, myocardial infarction within the past six months, chronic liver or renal disease, and active upper gastrointestinal tract ulceration)