NEJM:依西美坦或为年轻乳腺癌患者的新选择

2015-01-23 Alexa 医学论坛网

对于已接受卵巢功能抑制治疗的激素受体阳性的早期乳腺癌">乳腺癌患者来言,依西美坦辅助化疗较他莫昔芬比或更能提高预后。 激素受体阳性的早期乳腺癌绝经前女性都会接受至少5-10年他莫昔芬的治疗。但是卵巢功能抑制(OFS)治疗联合他莫昔芬或芳香酶抑制剂(AI)治疗,二者的复发率、生存率孰优孰劣尚不得知。 研究者们开展了2项随机的Ⅲ期临床试验(TEXT试验 和 SOFT试验),对比卵巢OFS联合

对于已接受卵巢功能抑制治疗的激素受体阳性的早期乳腺癌">乳腺癌患者来言,依西美坦辅助化疗较他莫昔芬比或更能提高预后。

激素受体阳性的早期乳腺癌绝经前女性都会接受至少5-10年他莫昔芬的治疗。但是卵巢功能抑制(OFS)治疗联合他莫昔芬或芳香酶抑制剂(AI)治疗,二者的复发率、生存率孰优孰劣尚不得知。

研究者们开展了2项随机的Ⅲ期临床试验(TEXT试验 和 SOFT试验),对比卵巢OFS联合他莫昔芬或AI(依西美坦)的疗效。研究共招募4690名激素受体阳性的早期乳腺癌绝经前女性(中位年龄43岁,42%淋巴结阳性;57%已接受辅助化疗)。中位随访时间是68个月。

研究显示,依西美坦组的5年无病生存率显著高于他莫昔芬组(91.1%vs87.3%;疾病复发、转移和死亡的风险比为0.72;P≤0.001)。依西美坦的5年治愈率亦更高(92.8%vs88.8%;复发的风险比为0.66;P≤0.001)。两组的总生存期近似。

点评:

研究结果显示OFS+依西美坦或为年轻的激素敏感乳腺癌患者的另一个选择。显然,此试验AI(+OFS)组的优势与大型试验中他莫昔芬对比AI治疗绝经后乳腺癌的AI组优势相当,患者的显然,比较他莫昔芬和AI,从AI试验(加上OFS)中得出的受益幅度和在绝经后患者辅助治疗大型临床实验中的受益相当。该试验没有解决10年他莫昔芬治疗或5年他莫昔芬治疗后绝经的患者是否使用AI更优。2015年可能公布的SOFT试验最终结果或许能揭示与单用他莫昔芬相比,在内分泌治疗中加入OFS的潜在优势。

年轻患者使用AI的副作用与年长、绝经后患者相似。但年轻患者对于AI方案的接受程度是否与绝经后患者相似,关于患者的依从性有待试验分析。值得注意的是,这个试验中的大多数患者未接受化疗,仅单独进行内分泌治疗并获得了良好的预后。这表明并不是所有绝经前女性患者都需要化疗。

原文发表在2014年6月1日的《新英格兰医学》杂志上。

原始出处

William J. Gradishar, MD reviewing Pagani O et al. Exemestane for Premenopausal Breast Cancer.N Engl J Med 2014 Jun 1.

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    2015-01-29 baiyangbaiyang

    创新 对于医疗行业同样重要

    0

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    2015-01-24 lovetcm

    值得关注

    0

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