Lancet Oncol:拉帕替尼可使早期HER2阳性乳腺癌患者获益

2012-12-26 Lancet Oncol 互联网 zhihui_li

发表于《柳叶刀·肿瘤》(Lancet Oncology)的Ⅲ期试验结果表明,早期HER2阳性的乳腺癌妇女若不能使用曲妥单抗治疗,或许可以从拉帕替尼辅助治疗中获益。在对3147例已经接受过辅助化疗但非曲妥单抗的HER2阳性早期乳腺癌妇女意向性治疗当中,尽管拉帕替尼辅助治疗并没有提高改善无病生存率,但其对79%的妇女有效,这些妇女都是经中央荧光原位杂交技术证实为HER2阳性的原发性肿瘤患者。 与安慰

发表于《柳叶刀·肿瘤》(Lancet Oncology)的Ⅲ期试验结果表明,早期HER2阳性的乳腺癌妇女若不能使用曲妥单抗治疗,或许可以从拉帕替尼辅助治疗中获益。在对3147例已经接受过辅助化疗但非曲妥单抗的HER2阳性早期乳腺癌妇女意向性治疗当中,尽管拉帕替尼辅助治疗并没有提高改善无病生存率,但其对79%的妇女有效,这些妇女都是经中央荧光原位杂交技术证实为HER2阳性的原发性肿瘤患者。

与安慰剂组对比,使用拉帕替尼治疗的妇女其局部或远处复发率,对侧乳腺癌,其他肿瘤,或者无另外癌症事件的全因死亡率均较低。在随访的47.4个月期间,1571例HER2阳性妇女中13%无病生存者随机接受拉帕替尼,同时1576名妇女当中的17%随机接受安慰剂。

美国波士顿马萨诸塞州总医院Paul Goss及其合作者报道称,这给出了一个非显着的风险比(HR),0.83.不过,证实为HER2阳性乳腺癌无病生存事件的13%使用拉帕替尼的妇女与那些使用安慰剂的17%妇女相比,却得到一个显着的HR,0.82.当研究者将那些纳入本试验一年内乳腺癌手术的妇女和那些在较晚的点上才开始治疗的妇女的有效数据放在一起比较时,他们发现,拉帕替尼只对于术后早期接受治疗患者的无病生存率有显着获益。

拉帕替尼处理组和安慰剂处理组之间,总体严重不良事件发生率无显着差异,分别为6%和%。但拉帕替尼与3-4级腹泻(6 vs <1%)、皮疹(5 vs <1%),以及肝胆疾病(2 vs <1%)风险较高有关。

在随后的一篇评论中,挪威卑尔根(Bergen)大学的Per Eystein L?nning解释道,该研究在2006-2008年间实施,当时曲妥单抗尚没有常规使用,或者由于医疗、法律或者财务问题二没有上市。虽然拉帕替尼单药治疗似乎并不比曲妥单抗更有效,但Goss及其合作者们的结果表明初次术后给予拉帕替尼不到1年就可提高无病生存率,他写道。“因此,对于少数可能禁忌曲妥单抗的病人来讲,可以给予拉帕替尼。”Lonning总结称,还需要进一步观察拉帕替尼联合曲妥单抗或其他抗HER2药物是否能提高早期乳腺癌患者的生存率。

拉帕替尼相关的拓展阅读:

doi:10.1016/S1470-2045(12)70571-5
PMC:
PMID:

Lapatinib in early breast cancer—questions to be resolved

Per Eystein Lønning

In 2005, the first results of the jointly analysed National Surgical Adjuvant Breast and Bowel Project (NSABP) B-31 and North Central Cancer Treatment Group (NCCTG) N9831 trials 1 prompted use of trastuzumab for adjuvant treatment of HER2-positive breast cancer worldwide.


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    2013-12-06 howi
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    2013-02-20 minlingfeng
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Lancet Oncol:R-MegaCHOEP方案无益于年轻高危侵袭性B细胞淋巴瘤患者((DSHNHL 2002-1研究)

    在年轻的高危侵袭性B细胞淋巴瘤患者中,在自体造血干细胞移植术后进行大剂量治疗时一线治疗的一部分。本文的研究者旨在比较自体造血干细胞移植术后,细胞毒制剂化疗与常规化疗对患者生存情况的影响。Norbert Schmitz等进行的相关研究的结果发表在Lancet Oncol 11月最新的在线期刊上。    这个研究是开放标签式的临床随机

Lancet Oncol述评:前列腺癌患者的去势治疗维持时间尚需研究

    长期以来对针对前列腺癌患者联合放疗的去势治疗合适的治疗维持时间一直存在争议,但是一项随机对照研究的结果提出了一些建议,研究结果显示治疗维持时间为4月、6月、28月和36月的治疗时间较不进行去势治疗、维持3月、4月和6月更有效。但该结果只关注了去势治疗的长期疗效,局部晚期病变的患者可能需要28月和36月的治疗期,中高危局部病变患者需要4个月和6个月治疗期。在《柳