PATIENT CHARACTERISTICS: Age: Over 18 Performance status: ECOG 0 or 1 Life expectancy: Not specified Hematopoietic: WBC at least 3,500/mm3 Absolute neutrophil count at least 2,000/mm3 Platelet count at least 100,000/mm3 Hepatic: AST no greater than 2.5 times upper limit of normal (ULN) AND alkaline phosphatase no greater than ULN OR AST no greater than ULN AND alkaline phosphatase no greater than 4 times ULN Renal: Creatinine clearance at least 60 mL/min Other: Not pregnant Fertile patients must use effective contraception No peripheral neuropathy worse than grade 1