7. Adequate bone marrow, liver and renal function, assessed no longer than 14 days before treatment start, defined by the following laboratory test limits: WBC > 2.0 x 109/l and platelets > 60 x 109/l, total bilirubin < 2 x upper limit, AST and ALT < 5 x upper limit normal, serum creatinine < 2 x UNL