J Natl Cancer Inst:他莫昔芬治疗乳腺癌预后得以改善

2015-05-04 徐媛媛译 MedSci原创

先前研究表明,他莫昔芬治疗后乳腺癌患者乳腺密度降低生存状况得以改善,但这种治疗排除了绝经前女性。因此,我们评估了年龄为32-87岁的患者使用他莫昔芬治疗后乳腺密度的改变和乳腺癌死亡数。 本病例对照研究纳入了来自1990-2008年俄勒冈州波特兰的凯撒医疗机构的349位ER阳性乳腺癌患者,其中97名死于乳腺癌(病例组),252位没有乳腺癌相关死亡(对照组),按照年龄和诊断阶段将两组患者进行分配。测

先前研究表明,他莫昔芬治疗后乳腺癌患者乳腺密度降低生存状况得以改善,但这种治疗排除了绝经前女性。因此,我们评估了年龄为32-87岁的患者使用他莫昔芬治疗后乳腺密度的改变和乳腺癌死亡数。

本病例对照研究纳入了来自1990-2008年俄勒冈州波特兰的凯撒医疗机构的349位ER阳性乳腺癌患者,其中97名死于乳腺癌(病例组),252位没有乳腺癌相关死亡(对照组),按照年龄和诊断阶段将两组患者进行分配。测量了不受影响的乳腺密度基线(在开始他莫西芬治疗前6个月)和随访的乳腺密度(他莫西芬开始治疗后12个月)。使用条件逻辑回归来评估乳腺密度的改变和乳腺癌死亡之间的关系。

他莫昔芬治疗后具有最高百分比乳腺密度下降(高三分位)的女性乳腺癌相关死亡率低于乳腺密度下降百分比最低(低三分位)的女性(OR = 0.44; 95% CI, 0.22-0.88)。在调整基线乳腺密度后,得到相似结果(OR = 0.49, 95% CI, 0.23-1.02)。只有基线乳腺密度处在高三分位和中三分位的女性,死亡率发生降低。乳腺密度的下降与年龄、他莫西芬使用时间、BMI、使用化疗或放疗、雌激素和/或孕激素使用无差异。

以上数据表明,在使用他莫昔芬治疗后,乳腺密度下降的ER阳性乳腺癌女性无论年龄多大,预后都会得到改善。

原始出处

Nyante SJ1, Sherman ME1, Pfeiffer RM1, Berrington de Gonzalez A1, Brinton LA1, Aiello Bowles EJ1, Hoover RN1, Glass A1, Gierach GL2.Prognostic significance of mammographic density change after initiation of tamoxifen for ER-positive breast cancer.J Natl Cancer Inst. 2015 Feb 6

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    2021-11-20 湘雅科教

    已阅,受益匪浅。

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    2015-09-19 qidongfanjian
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    2015-11-07 liye789132251
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    2015-06-14 drj2003
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发表在国际杂志The Lancet Oncology上的一篇研究论文中,来自伦敦王后玛丽大学的研究人员通过研究表明,乳腺癌药物他莫昔芬的保护效应实际上至少可以维持20年以上,在长达20年的研究以来药物他莫昔芬可以减少三分之一乳腺癌的发生。文章中,研究者检测了35至70岁处于高风险乳腺癌发病的女性服用他莫昔芬的长期风险及效益,研究者表示,在长达5年的时间里,7154名绝经前和绝经后的女性随机服用他莫