Hematologic: absolute lymphocyte count > 200/mm3 Platelets > 100,000 Hepatic:AST/ALT < 5 x the upper limit of institutional normal Total bilirubin < 1.5 x the upper limit of institutional normal Renal: serum creatinine < 1.5 mg/ml; Urine protein/creatinine ratio < 2.0 at screening Cardiac: Hypertension must be well controlled on stable doses of medication. BP must be < 140/90.