Journal
JOURNAL OF NEURO-ONCOLOGY
Volume 77, Issue 1, Pages 89-94Publisher
SPRINGER
DOI: 10.1007/s11060-005-9011-2
Keywords
brain stem tumor; children; high-grade glioma; temozolomide; toxicity
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Purpose: The objective of the study was to evaluate the efficacy and toxicity of Temozolomide (TMZ) administered for 5 consecutive days in three daily dosing in children with recurrent or refractory high-grade glioma. Patients and methods: Twenty-four patients with a median age of 10.5 years were enrolled onto this open-label, multicenter. phase II study. The patients were previously treated with surgical resection (17 of 24), radiotherapy (19 of 24) and chemotherapy (18 of 24). Therapy was administered orally three times a day for 5 consecutive days at the dose of 200 mg/m(2) /dx5 for chemotherapy naive patients. In patients heavily pretreated with chemotherapy the starting dose was of 150 mg/m(2)/dx5. Results: A total of 95 cycles were administered. The median progression free-survival (PFS) was 3 months for the entire group while disease stabilization was obtained in 7 patients (29.1%). all with supratentorial tumors. No CR or PR was observed. TMZ treatment showed a limited toxicity. Thrombocytopenia was the most common hematological adverse effect. Our data suggest a marginal activity of TMZ in children with recurrent high-grade glioma.
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