PATIENT CHARACTERISTICS: Age: 18 and over Performance status: ECOG 0-1 Life expectancy: Not specified Hematopoietic: Absolute neutrophil count at least 2000/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no greater than 1.5 mg/dL Renal: Creatinine no greater than 1.5 mg/dL OR Creatinine clearance at least 60 mL/min Neurologic: Peripheral sensory neuropathy no greater than grade 1 Other: No significant active infection (patients with WBC of 12,000/mm3 or greater, or fever of 100.6 degrees F or higher, must be evaluated to rule out occult infection) Not pregnant or nursing Effective contraception required of fertile patients No active second malignancy