Topotecan treatment of adults with primary malignant glioma. The Brain Tumor Center at Duke.
BACKGROUND: Topotecan activity was evaluated for the treatment of malignant glioma. METHODS: Sixty-three patients with newly diagnosed (n = 25) or recurrent (n = 38) malignant glioma were treated with topotecan [AU: Please verify all dosages here and throughout text.]at a dose of 2.6 mg/m2 over a 72-hour period weekly. Recurrent tumors included glioblastoma multiforme (GBM) (n = 28) and anaplastic astrocytoma (AA) (n = 10). Newly diagnosed tumors included GBM (n = 14), AA (n = 8), and anaplastic oligodendroglioma (n = 3). RESULTS: Partial responses were observed in 2 of 14 evaluable patients with newly diagnosed GBM, 1 of 8 patients with newly diagnosed AA, 3 of 10 patients with recurrent AA, and none of 28 patients with recurrent GBM. Four patients with recurrent AA and 7 patients with recurrent GBM demonstrated stable disease (range, 8-52 weeks; median, 21 weeks). Toxicity was limited to infrequent National Cancer Institute Common Toxicity Criteria Grade 3 myelosuppression. CONCLUSIONS: These results suggest that topotecan has modest activity against malignant glioma and continued evaluation of its effectiveness may be warranted when alternative schedules or combination regimens are used.
Friedman, HS; Kerby, T; Fields, S; Zilisch, JE; Graden, D; McLendon, RE; Houghton, PJ; Arbuck, S; Cokgor, I; Friedman, AH
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