- Subjects can not have a history of clinically significant gastrointestinal, renal, hepatic, endocrine, oncologic, infectious, pulmonary or cardiovascular disease, other than conditions associated with thalassemia and iron overload, such as compensated cirrhosis, endocrine insufficiency and diabetes, or a history of tuberculosis, epilepsy, psychosis, glaucoma or any other condition, which in the opinion of the investigators, would jeopardize the safety of the subject or impact the validity of the study results.