Before treatment starts, you will fill out questionnaires about your level of fatigue, distress, symptoms, and general health. It should take about 5 minutes to complete the questionnaires. You will have a medical history, physical exam (with pulse, temperature, blood pressure), and blood work done. At the start of the study a test of the heart called an EKG will be done. At the start of the study, and after you finish the study, you will complete additional questionnaires that measure mood, fatigue, sleep, and appetite. It should take about 15 minutes to complete the questionnaires. You will also complete a series of tests for memory, visual-motor, and thinking functions. These tests should take about 30 minutes to complete. (This evaluation may take place on or before Day 1 of the study.)