a. Adequate hematologic function, as demonstrated by i. Hemoglobin ≥10 g/dL ii. ANC 1.5-10 x 10^9/L iii. Platelets ≥100 x 10^9/L b. Adequate liver and renal function as demonstrated by i. AST and ALT each ≤ 3.0 x ULN ii. Total bilirubin ≤1.5 x ULN iii. Creatinine ≤1.5 X ULN c. Euthyroid based on TSH and free T4 levels