Temozolomide in pediatric low‐grade glioma

Authors:
  • LCLee T. Coleman
    Lee T. Coleman
  • PDPeter A. Downie
    Peter A. Downie
  • JHJohn A. Heath
    John A. Heath
  • DADavid M. Ashley
    David M. Ashley
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Abstract
Background: We describe a retrospective series of children with low‐grade glioma who received temozolomide.Procedure: Eligible patients had had a diagnosis of low‐grade glioma with or without histological confirmation. Temozolomide was administered at a dose of 200 mg/m2 daily for 5 days, in a 4‐week cycle. Therapy was stopped on completion of the targeted 12 cycles of chemotherapy or on evidence of tumor progression.Results: Thirteen eligible patients were identified, eight male and five female. Median age at diagnosis was 5.5 years (range 2.6–15.0 years) and at commencement of temozolomide treatment was 9.0 years (range 3.8–15.2 years). Nine patients had a histological diagnosis of pilocytic astrocytoma. Twelve patients had received carboplatin prior to temozolomide, including three in combination with vincristine. A total of 111 cycles of therapy have been administered. Hematological toxicity and nausea were the most common adverse effects. Median time to progression was 6.7 months (range 1.5–41.8 months). Event‐free survival rate at 3 years was 57%. Twelve of 13 patients remain alive at the time of report. Eleven have stable disease (SD).Conclusion: Temozolomide appears to be active in pediatric low‐grade glioma, with the advantage of oral administration and excellent tolerability. Pediatr Blood Cancer 2007;49:808–811.

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