Medical Oncology

, Volume 24, Issue 4, pp 379–383

The results of hypofractionated radiotherapy in 31 patients with high-grade gliomas

  • Meral Y. Sayin
  • Bektas Kaya
  • Bekir H. Bakkal
  • Kadri Altundag
  • Muzaffer B. Altundag
Clinical Study

Abstract

In this prospective study, we investigated the effects of hypofractionated radiotherapy for patients with high-grade gliomas. About 31 patients with glioblastoma multiforme or anaplastic astrocytoma were studied between October 2003 and December 2004. Hypofractionated radiotherapy (3 Gy/fraction/day) was delivered to a total dose of 45 Gy in 15 fractions in 10 patients (32%) who had total excision before radiotherapy and to a total dose of 54 Gy in 18 fractions in 21 patients (68%) who had subtotal excision or biopsy alone. Sex, age, type of surgery, tumor grade, Karnofsky performance status, time between surgery and initiation of radiotherapy, and total radiotherapy dose were analyzed as potential prognostic factors for survival using the univariate log-rank method. The median follow-up was 15 months (4–16 months). A total of 15 patients (48%) died of their illness; 16 patients (52%) were still alive at the last follow-up. The median survival time was 8 months. Actuarial 1–year overall survival was 40%. Type of surgery, timing of radiotherapy after surgery, and initial Karnofsky performance status were significant prognostic factors for survival. No grade 3–4 acute or late neurotoxicity was observed. The tolerance of patients to hypofractionated RT was not different from that for conventional radiotherapy. This treatment schedule can be used for patients with high-grade gliomas. Future investigations are needed to determine the optimal fractionation for high-grade gliomas.

Keywords

Glioblastoma multiforme Anaplastic astrocytoma Hypofractionated radiotherapy 

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Copyright information

© Humana Press Inc. 2007

Authors and Affiliations

  • Meral Y. Sayin
    • 1
  • Bektas Kaya
    • 1
  • Bekir H. Bakkal
    • 1
    • 3
  • Kadri Altundag
    • 2
  • Muzaffer B. Altundag
    • 1
  1. 1.Department of Radiation OncologyAnkara Oncology HospitalAnkaraTurkey
  2. 2.Department of Medical OncologyHacettepe University Institute of OncologyAnkaraTurkey
  3. 3.Kozlu-ZonguldakTurkey

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