Outcome of newly diagnosed high risk medulloblastoma treated with carboplatin, vincristine, cyclophosphamide and etoposide
2018
Abstract Medulloblastoma is the most common malignant brain tumor among children. Although molecular study has been included in the new classification, in developing countries with limited resources the previous Chang staging system is still used. Therefore, treatment with postoperative radiation and chemotherapy remains the standard treatment. One common complication after treatment is ototoxicity, mainly due to radiation and cisplatinum. We report a revised chemotherapy protocol, replacing cisplatinum with carboplatin in newly diagnosed medulloblastoma cases. All 23 patients in this study had high risk medulloblastoma. Mean (SD) age was 9.5 ± 3.1 years. The 5-year progression free survival (PFS), 5-year overall survival (OS), and 10-year OS were 41.8 ± 12.2%, 60.0 ± 11.2%, and 48.0 ± 14.0 respectively. Most patients had grade 3–4 hematologic toxicity. Twelve patients had hearing tests, with 11 patients having grade 0 and 1 patient having grade 1 according to the Brock criteria.
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