JCO:伊马替尼辅助治疗胃肠道间质瘤

2015-11-17 zhaozhou 译 MedSci原创

胃肠道间质瘤(GIST)是较为罕见的癌症。由于使用酪氨酸激酶抑制剂,晚期GIST的治疗方法得到了大大改进。从最早使用伊马替尼来治疗晚期GIST可以发现,伊马替尼是高度有效的。主要的限制因素则是继发性耐药。产生继发性耐药的中位时间从1-3年不等。 在2004年的时候,多个国家的研究团队进行合作,研究术后辅助伊马替尼治疗和无进一步治疗的GIST患者的差异。患者被随机分成两组。在手

胃肠道间质瘤(GIST)是较为罕见的癌症。由于使用酪氨酸激酶抑制剂,晚期GIST的治疗方法得到了大大改进。从最早使用伊马替尼来治疗晚期GIST可以发现,伊马替尼是高度有效的。主要的限制因素则是继发性耐药。产生继发性耐药的中位时间从1-3年不等。
 

在2004年的时候,多个国家的研究团队进行合作,研究术后辅助伊马替尼治疗和无进一步治疗的GIST患者的差异。患者被随机分成两组。在手术后两年中,一组服用伊马替尼(每天400mg),另一组则不接受进一步的治疗。主要终点是总生存率;次要终点则是无复发生存率(RFS),无复发间隔以及毒性。2009年时,考虑到晚期GIST患者的预后得到改善,研究人员把主要终点改成了伊马替尼无失败生存率(IFFS)。这得到了相关监管机构的同意。在为期近四年的研究中,共有908名受试者,其中454名为伊马替尼组,454人为观察组。这其中的835人是符合条件的。伊马替尼组的IFFS为87%,而另一组为84%。伊马替尼组的3年和5年RFS分别为84%和69%,而对照组则分别为66%和63%。两组的五年总生存率分别为100%和99%。在528名高危GIST患者中,两组的5年IFFS分别为79%和73%。
 
从以上数据可以看出,辅助伊马替尼在RFS方面有着显著的影响。但在IFFS上, 两组并无显著差异。这对临床治疗GIST有着重要的指导意义。

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    2017-04-16 1e145228m78(暂无匿称)

    学习了,谢谢作者分享!

    0

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    2016-06-21 lidong40
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    2016-01-12 jetleo

    研究人员把主要终点改成了伊马替尼无失败生存率(IFFS)

    0

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    2015-11-17 jetleo

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