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[Concomitant radiotherapy with chemotherapy in patients with glioblastoma].

Glioblastomas are the most frequent and the most aggressive primary brain tumors in adults. Therapeutic strategy is challenging because of radioresistance and chemoresistance explaining the poor prognosis (median survival of 12 months). Standard therapy consisted until recently of surgery and postoperative radiotherapy while the impact of chemotherapy (investigated as adjuvant, neo adjuvant therapy or concomitant with irradiation) was a matter of debate. However a recent phase III study has concluded to the benefit of adjuvant temozolomide administered during and after radiotherapy. This strategy is yet to become a standard.