In total, approximately 3 teaspoons (15 mL) of blood will be drawn for the evaluations before starting study drug. These tests will be repeated every 8 weeks (blood chemistries), except a complete blood count (approximately 1 teaspoon), which will need to be repeated every week as well as when it is deemed clinically necessary to repeat. Every 4 weeks a urine test will be performed to test the amount of protein in subject's urine.