ASTRO 2016:非小细胞肺癌:加速超分割放射治疗 vs 常规放疗

2016-09-29 Moon 译 MedSci原创

ASTRO年会公布的3期试验数据显示:对于不能进行标准治疗的非小细胞肺癌患者,使用加速超分割放射治疗与常规放疗相比,可以产生相同的总生存期(OS)和无进展生存期(PFS)。此外,加速超分割放射治疗具有更少的高级别毒性反应,患者的治疗时间也可以降低一半。 来自,德克萨斯大学的放射肿瘤学助理教授Puneeth Iyengar博士和同事们首先进行了1期剂量递增研究,结果显示,长达3周的剂量分割放射

ASTRO年会公布的3期试验数据显示:对于不能进行标准治疗的非小细胞肺癌患者,使用加速超分割放射治疗与常规放疗相比,可以产生相同的总生存期(OS)和无进展生存期(PFS)。此外,加速超分割放射治疗具有更少的高级别毒性反应,患者的治疗时间也可以降低一半。

来自,德克萨斯大学的放射肿瘤学助理教授Puneeth Iyengar博士和同事们首先进行了1期剂量递增研究,结果显示,长达3周的剂量分割放射治疗与常规放疗相比,不会增加毒性。

本次公布的3期试验纳入了60名不能进行标准治疗的非小细胞肺癌患者,中位数年龄为68岁,II期和III期患者分别有7名和53名。53%的患者为鳞状细胞癌,47%的为腺癌。

患者被随机分到60 Gy放射治疗组,在6周的时间里,予以30-33次疗程(A组; n = 28);或3周时间里,予以15次疗程(B组; n = 32)。

研究的主要终点为OS,次要终点包括PFS,毒性、生活质量和成本效益。

研究者允许患者在放疗前或放疗后接受序贯化疗,但是由于他们的身体状况很差,不能同步进行放化疗。

中期分析数据来自48例患者,其中56% (n = 27)的患者在最近一次随访中还活着。

分析结果显示,患者的中位OS和PFS分别为14个月和11.5个月。研究者没有发现不同治疗组间的生存差异。

研究人员观察了三例缺氧引起的死亡(A组,N = 2;B组,N = 1),这可能与治疗相关。

A组和B组分别发生了10例和6例3级毒性;没有观察到与放疗相关的4级毒性。

原始出处:

Iyengar P, et al. Abstract 3110. Presented at: ASTRO Annual Meeting; Sept. 25-28, 2016; Boston.

Hypofractionated radiation therapy offers shorter treatment for poor-performance
NSCLC.Healio.September 28, 2016

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    2017-02-05 hb2008ye
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    2016-10-29 李东泽

    很好,不错,以后会多学习

    0

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    2016-10-10 1e10c84am36(暂无匿称)

    文章很好,继续关注

    0

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