Cancer:对新诊断的胶质母细胞瘤的老年或体弱患者进行加速低分割放射治疗是安全且有效的

2022-07-25 MedSci原创 MedSci原创

老年或体弱的胶质母细胞瘤(GBM)患者的标准治疗方案是40Gy,15次分次放疗。然而,与Stupp方案的30次分次60 Gy相比,该方案的生物有效剂量(BED)较低。

老年或体弱的胶质母细胞瘤(GBM)患者的标准治疗方案是40Gy,15次分次放疗。然而,与Stupp方案的30次分次60 Gy相比,该方案的生物有效剂量(BED)较低。近日,发表于Cancer的一项研究证实,15次分次放疗52.5Gy(与Stupp方案30次分次放疗60Gy等效)是安全和有效的,并对老年和体弱患者显示出更好的疗效。

研究人员从3个1/2期研究和一个前瞻性观察性研究中汇总了老年或体弱的GBM患者,均采用52.5Gy分次治疗。总生存期(OS)和无进展生存期(PFS)是指从手术/活检到因任何原因导致死亡或疾病进展的时间。

结果,研究共纳入62名新诊断的患者进入这次对个体患者数据的汇总分析。大多数人(66%)的Karnofsky表现状态(KPS)得分<70。年龄中位数为73岁。中位OS和PFS分别为10.3和6.9个月。KPS评分≥70和<70的患者的中位OS分别为15.3和9.5个月。同时进行的化疗是改善PFS和OS的独立预后因素。2名患者(3.2%)出现了3级神经系统毒性。没有出现4/5级的毒性事件。

综上所述,这是唯一一个对老年/体弱的GBM患者进行前瞻性治疗的分析,其低分割放疗方案与Stupp方案具有相同的效果。与以往的研究相比,治疗的耐受性良好,并显示出良好的OS和PFS。这种方案为老年人/体弱人群提供了一种替代BED较低的方案。但是,仍有必要进行一项随机的、前瞻性的试验,将这种方案与标准护理方案进行直接比较。

原始出处:

Haley K Perlow, et al., Accelerated hypofractionated radiation for elderly or frail patients with a newly diagnosed glioblastoma: A pooled analysis of patient-level data from 4 prospective trials. Cancer. 2022 Jun 15;128(12):2367-2374. doi: 10.1002/cncr.34192.   

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    2022-09-13 rgjl
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    2022-07-25 Thc822

    学习了

    0

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