- Patients are excluded from the study if their weight is less than 50% of ideal body weight, if they are pregnant or lactating, have congestive heart failure, uncontrolled heart rhythm problems or a recent heart attack, coronary artery bypass surgery, or angioplasty. Additionally, patients with poorly controlled Type 1 or 2 diabetes mellitus, kidney disease, uncontrolled endocrine or metabolic disease, are known HIV positive, and uncontrolled high blood pressure