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JCO:乳腺癌患者复发和预后模式变迁

2015-01-12 MedSci MedSci原创

目的:根据ER、Her-2状态,明确乳腺癌复发的方式是否发生变化。 材料和方法:入组的女性患者为英国哥伦比亚癌症中心经活检确诊为I至III期的乳腺癌患者,其中1986年至1992年之间确诊的患者为C1组,2004年至2008年确诊的患者归为C2组,以上这些病人的ER、Her-2状态都是明确的。数据是采取前瞻性的方式收集的。C2组和C1组的患者在肿瘤分期、分级、ER状态、Her-2状态上都是进行配

目的:根据ER、Her-2状态,明确乳腺癌复发的方式是否发生变化。

材料和方法:入组的女性患者为英国哥伦比亚癌症中心经活检确诊为I至III期的乳腺癌患者,其中1986年至1992年之间确诊的患者为C1组,2004年至2008年确诊的患者归为C2组,以上这些病人的ER、Her-2状态都是明确的。数据是采取前瞻性的方式收集的。C2组和C1组的患者在肿瘤分期、分级、ER状态、Her-2状态上都是进行配对了的。研究的主要终点是依据生物指标的状态研究组内的复发的危险度。次要终点是依据患者的肿瘤分期、分级、年龄、死亡危险度研究组内复发危险度。

结果:配对之后,有7178名患者纳入(每组3589名),乳腺癌的亚型分布为:ER(+)/Her-2(-),70.8%;ER(+)/Her-2(+),6.9%;ER(-)/Her-2(+),6.6%;ER(-)/Her-2(-),15.8%。从所有纳入者中来看,C2组相对于C1组,复发风险每年都大致下降了一半。两组之间差距更大的是Her-2(+)和ER(-)或Her-2(-)分组。在不同分期和分级中,C2组相对于C1组的复发风险都降低了。死亡风险也有所下降,尽管程度稍低一些。

结论:尽管复发形式仍然相似,但是患者的PFS明显延长。由于早期复发明显降低,所有乳腺癌亚型,特别是Her-2(+)和ER(-)或Her-2(-)亚型组,预后都有改善。这些风险比率对于治疗决策、患者抉择、和早期乳腺癌的临床实验计划都是由重要意义的。

原始出处

Cossetti RJ1, Tyldesley SK1, Speers CH1, Zheng Y1, Gelmon KA2.Comparison of breast cancer recurrence and outcome patterns between patients treated from 1986 to 1992 and from 2004 to 2008.J Clin Oncol. 2015 Jan 1

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