Combination Chemotherapy in Treating Patients With Advanced Cancer

DISEASE CHARACTERISTICS:

* Histologically confirmed progressive malignant disease that has failed at least 1 conventional treatment or is unlikely to respond to current therapy
* Measurable or evaluable disease

  * Elevated serum tumor marker considered evaluable disease
* No known active CNS metastases

  * Previously treated CNS metastases with no evidence of new CNS metastases allowed if stable for at least 2 months

PATIENT CHARACTERISTICS:

Age:

* 18 and over

Performance status:

* ECOG 0-1

Life expectancy:

* More than 3 months

Hematopoietic:

* WBC at least 3,000/mm\^3
* Absolute neutrophil count at least 1,500/mm\^3
* Platelet count at least 100,000/mm\^3
* Hemoglobin at least 10 g/dL (transfusion allowed)
* No active bleeding or coagulation disorder (except occult blood related to gastrointestinal cancer)

Hepatic:

* Bilirubin no greater than 2.0 mg/dL
* ALT and AST no greater than 3 times upper limit of normal (ULN)
* Alkaline phosphatase no greater than 5 times ULN
* PT and PTT no greater than 1.5 times ULN

Renal:

* Creatinine no greater than 1.5 mg/dL

Cardiovascular:

* No active heart disease
* No myocardial infarction within the past 3 months
* No symptomatic coronary artery disease
* No uncontrolled arrhythmias
* No uncontrolled congestive heart failure

Pulmonary:

* No moderate to severe compromise of pulmonary function

Other:

* Not pregnant or nursing
* Negative pregnancy test
* Fertile patients must use effective contraception
* No active infectious process
* No pre-existing severe hearing impairment
* No grade 2 or greater neuropathy
* No other life threatening illness
* No prior severe allergic reaction to cisplatin
* No mental deficits and/or psychiatric history that would preclude study
* No persistent chronic toxic effects from prior chemotherapy greater than grade 1

PRIOR CONCURRENT THERAPY:

Biologic therapy:

* At least 2 weeks since prior biologic therapy

Chemotherapy:

* More than 3 weeks since prior chemotherapy (6 weeks for nitrosoureas or mitomycin) and recovered
* At least 3 months since prior cisplatin or platinum analogue
* No prior 3-AP

Endocrine therapy:

* At least 2 weeks since prior hormonal therapy

Radiotherapy:

* More than 3 weeks since prior radiotherapy

Surgery:

* At least 3 weeks since prior major surgery and recovered

Other:

* No other concurrent investigational drugs
* No other concurrent nephrotoxic drugs (e.g., aminoglycoside antibiotics)