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| Content Provider | PubMed Central |
|---|---|
| Author | Ciammella, P. Podgornii, A. Galeandro, M. Pisanello, A. Iotti, C. |
| Copyright Year | 2014 |
| Abstract | OBJECTIVES: Glioblastoma (GBM) is the most common malignant primary brain tumour in adults. Surgery and radiotherapy constitute the cornerstones for the therapeutic management of GBM. The standard treatment today is maximal surgical resection followed by concomitant chemo-radiation therapy followed by adjuvant TMZ according to Stupp protocol. Despite the progress in neurosurgery, radiotherapy and oncology, the prognosis still results poor. In order to reduce the long time of standard treatment, maintaining or improving the clinical results, in our institute we have investigated the effects of hypo-fractionated radiation therapy for patients with GBM. PATIENTS AND METHODS: Sixty-seven patients affected by GBM who had previously undergone surgical resection (total, subtotal or biopsy) were enrolled between October 2005 and December 2011 in a single institutional study of hypo-fractionated intensity modulated radiation therapy (IMRT) followed or not by adjuvant chemotherapy with TMZ (6-12 cycles). The most important eligibility criteria were: biopsy-proven GBM, KPS ≥60, age ≥18 years, no previous brain irradiation, informed consensus. Hypo-fractionated IMRT was delivered to a total dose of 25 Gy in 5 fractions prescribed to 70% isodose. Response to treatment, OS, PFS, toxicity and patterns of recurrence were evaluated, and sex, age, type of surgery, Karnofsky performance status, Recursive Partitioning Analysis (RPA) classification, time between surgery and initiation of radiotherapy were evaluated as potential prognostic factors for survival. RESULTS: All patients have completed the treatment protocol. Median age was 64,5 years (range 41-82 yrs) with 31 females (46%) and 36 males (54%). Median KPS at time of treatment was 80. The surgery was gross total in 38 patients and subtotal in 14 patients; 15 patients underwent only biopsy. No grade 3-4 acute or late neurotoxicity was observed. With median follow-up of 14.9 months, the median OS and PFS were 13.4 and 7.9 months, respectively. CONCLUSIONS: The hypo-fractionated radiation therapy can be used for patients with GBM, resulting in favourable overall survival, low rates of toxicity and satisfying QoL. Future investigations are needed to determine the optimal fractionation for GBM. |
| Related Links | http://dx.doi.org/10.1093/neuonc/nou174.253 |
| Starting Page | 67 |
| File Format | |
| ISSN | 15228517 |
| e-ISSN | 15235866 |
| Journal | Neuro-Oncology |
| Issue Number | Suppl 2 |
| Volume Number | 16 |
| Language | English |
| Publisher | Oxford University Press |
| Publisher Date | 2014-09-01 |
| Access Restriction | Open |
| Rights Holder | Oxford University Press |
| Subject Keyword | Cancer Research Oncology Clinical Neurology Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cancer Research Neurology (clinical) Oncology |
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