• M C Chamberlain.
• Seattle Cancer Care Alliance, University of Washington/Fred Hutchison Cancer Center, Seattle, WA, USA. chambemc@u.washington.edu.
• Int. J. Clin. Pract. 2013 Dec 1; 67 (12): 1225-7.

AbstractGlioblastoma (GB), World Health Organization Grade 4 glioma, is the most common malignant primary brain tumour with an annual incidence of 12,943 cases in the United States . It is a tumour of the elderly people with a median age of onset of 64 years, although children and young adults are also affected. GB is associated with a poor prognosis; despite best treatment, most community-based patients will not survive 1 year . Cures are rare and overall survival rates at 2 and 5 years are 26-48% and 12%, respectively, in highly selected, contemporary, clinical trial eligible patients . For protocol eligible US patients, the median survival is 16-17 months, which is partly a reflection of improved supportive care, recognition of pseudoprogression, exclusion of patients undergoing biopsy only and availability of bevacizumab at recurrence . Initial treatment for patients with high performance [Karnofsky Performance Status (KPS) > 60 and age < 71 years) consists of maximal safe surgical resection followed by adjuvant focal, external beam radiotherapy (RT) with concurrent temozolomide (TMZ) chemotherapy and post-RT TMZ for 6 months . TMZ and carmustine (BCNU) biodegradable wafer (Gliadel) are the only adjuvant chemotherapies that have improved survival in randomised GB clinical trials . The current standard treatment is based upon a European Organization for Research and Treatment of Cancer (EORTC) and National Cancer Institute of Canada (NCIC) randomised, phase 3 trial of 573 patients with newly diagnosed GB (age 19-71 years and World Health Organization Performance Status ≤ 2) that compared RT alone [total dose 60 Gray (Gy)] to TMZ chemotherapy in combination with RT (total 60 Gy), followed by 6 months of post-RT TMZ (4,6,8).© 2013 John Wiley & Sons Ltd.

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