Abstract
Fifty-three patients with advanced lung cancer refractory to chemotherapy with MACC (methotrexate, adriamycin, cyclophosphamide, and CCNU) were treated with a combination of mitomycin-C, etoposide, cisplatin, and hexamethylmelamine (MEPH). Among 45 evaluable patients, there were seven partial responders (16%), including 2/18 adenocarcinomas, 3/13 small cell anaplastic carcinomas, 1/5 large cell anaplastic carcinomas, and 1/9 squamous cell carcinomas. Major toxic side effects included thrombocytopenia (30/45 patients), leukopenia (22/45 patients), and emesis. Renal toxicity occurred in three patients, and cardiac arrhythmia was observed in one patient. Despite a low response rate, which was expected in this group of heavily pretreated patients with poor prognostic characteristics, these data suggest a lack of cross-resistance between MEPH and MACC.
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