Serum creatinine =< 1.5 mg/dL within 14 days prior to study entry If the patient is to be treated with cisplatin, the serum creatinine should be =< 1.5 mg% Serum creatinine =< 2 mg/dL Creatinine =< 1.5 mg/dL Serum creatinine level =< IULN within 28 days prior to registration Serum creatinine =< 1.5 x IULN obtained within 28 days prior to registration Serum creatinine of =< 1.5 mg/dL; if creatinine > 1.5 mg/dL, creatinine clearance must be >= 60 mL/minute Serum creatinine < 2.0 mg/dl Obtained =< 48 hours prior to registration: Serum creatinine =< 2.0 mg/dl Creatinine less than 1.4 mg/dl Creatinine =< 2.0 mg/dL Creatinine =< 2.0 mg/dL Patients must have serum creatinine =< 1.5 mg/dl within 14 days prior to registration Serum creatinine =< 1.5 mg/dl within 14 days prior to registration Registration Step 3 � Maintenance: Patients must have serum creatinine =< 1.5 mg/dl within 14 days prior to registration Patients with serum creatinine > 3.0 mg/dL and patients on active dialysis for renal dysfunction are excluded Within 14 days of registration: Serum creatinine < 2.0 mg/dL (176.8 umol/liter) Within 14 days of registration: Serum calcium =< 11.5 mg/dL Serum creatinine =< IULN within 14 days prior to registration Creatinine =< 2.0 mg/dL Creatinine < 1.5 mg/dl (= 132 umol/L) or Creatinine < 1.7 mg/dL Patients must have adequate renal function with serum creatinine level =< IULN within 21 days prior to registration Within 14 days prior to registration: Serum creatinine =< 2.0 mg/dL Within 28 days prior to registration: Serum creatinine =< 2.0 x IULN Serum creatinine < 2.0 x IULN within 28 days prior to registration Creatinine < 2 mg/dl Creatinine =< 1.6 mg/dl Serum creatinine =< 2.0 x IULN within 28 days prior to registration Serum creatinine < 1.5 mg/dl