<qa>  What is the name of the condition that would preclude safe and complete study participation?Subjects with a clinically significant or unstable medical or surgical condition which would preclude safe and complete study participation. Such conditions may include cardiovascular, pulmonary, hepatic, renal, or metabolic diseases or malignancies as determined by medical history, physical exam, laboratory tests, chest x-ray, or ECG for Parkinsons disease e.g., pallidotomy, thalamotomy, and deep brain stimulation DBS within the 12 months preceding the Baseline visit. 