Intracavitary cisplatin chemotherapy for mesothelioma

A feasibility study of intracavitary cisplatin was conducted in eight patients with mesothelioma. Cisplatin, 90 mg/m2, was instilled weekly for 3 weeks, followed by a 3-week rest; thiosulfate was given iv to reduce nephrotoxicity. In 50 courses there was no chemical serositis; the major toxic effect was myelosuppression. One patient with measurable disease had a complete response; three others had objective responses.