Neurology:新确诊胶质母细胞瘤患者延长TMZ化疗效果如何?

2017-04-18 吴星 环球医学

2017年4月,发表在《Neurology》的一项由德国科学家进行的研究考察了对新确诊胶质母细胞瘤的患者,替莫唑胺延长治疗时间的疗效。 目的:在新确诊胶质母细胞瘤患者中,考察改良目前治疗标准——手术后进行放疗+同步6个周期替莫唑胺维持化疗(TMZ/RT→TMZ)中,将TMZ扩展至6个周期以上与生存期的相关性。 方法:从德国Glioma Network队列中,筛选出使用TMZ/RT→TMZ,且完

2017年4月,发表在《Neurology》的一项由德国科学家进行的研究考察了对新确诊胶质母细胞瘤的患者,替莫唑胺延长治疗时间的疗效。

目的:在新确诊胶质母细胞瘤患者中,考察改良目前治疗标准——手术后进行放疗+同步6个周期替莫唑胺维持化疗(TMZ/RT→TMZ)中,将TMZ扩展至6个周期以上与生存期的相关性。

方法:从德国Glioma Network队列中,筛选出使用TMZ/RT→TMZ,且完成≥6个周期维持化疗而没有进展的新确诊胶质母细胞瘤患者。使用log-rank检验,分析经过6个周期TMZ之后,患者的临床特征、分子标志物和由磁共振成像(MRI)确定的残留肿瘤与无进展生存(PFS)、总生存(OS)之前的相关性。使用Cox比例风险模型进行多变量分析,以评价延长TMZ使用与结局之间的相关性。

结果:在确定的142例患者中,61例患者使用至少7个周期的维持TMZ治疗(中位11个周期,范围7~20个周期)。进行扩展维持TMZ治疗的患者PFS较好(20.5个月,95%置信区间[CI] 17.7~23.3 vs 17.2个月,95% CI 10.2~24.2,p=0.035),但OS(32.6个月,95% CI 28.9~36.4 vs 33.2个月,95% CI 25.3~41.0,p=0.126)无差异。然而,在校正年龄、切除范围、Karnofsky表现评分、残余肿瘤存在状态、O6-甲基鸟嘌呤-DNA甲基转移酶(MGMT)启动子甲基化状态,或异柠檬酸脱氢酶(IDH)突变状态后,延长TMZ化疗与PFS(风险比[HR]=0.8,95% CI 0.4~1.6,p=0.559)或OS(HR=1.6,95% CI 0.8~3.3,p=0.218)无显着相关性。

结论:这些数据可能不支持实践中将TMZ维持化疗延长至6个月以上。

证据级别:该研究提供III级证据证明,新确诊胶质母细胞瘤患者延长TMZ化疗不能显着增加PFS或OS。

原始出处:

Gramatzki D, Kickingereder P, Hentschel B, Felsberg J,et al. Limited role for extended maintenance temozolomide for newly diagnosed glioblastoma. Neurology. 2017 Apr 11.

 

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    2017-07-22 yinhl1978
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    2017-04-19 卡圣

    学习了,谢谢分享

    0

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    2017-04-18 圣艮山

    学习了不少

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