JCO:曲妥单抗增加心脏病风险

2015-09-24 赵洲 译 MedSci原创

 由于曲妥单抗用于人表皮生长因子受体2(HER2)阳性早期乳腺癌治疗的辅助化疗,患者的生存结果出现了显著的改善。但是,曲妥单抗有可能会增加心脏毒性的风险,因此对于发病率和风险因素的长期评价是很有必要的。 NCCTG N9831试验比较了HER2阳性乳腺癌患者使用辅助的阿霉素和环磷酰胺(AC),随后每周使用紫杉醇(A组);紫杉醇然后曲妥单抗(B组);或者是紫杉醇加曲妥单抗随后单独

由于曲妥单抗被用于人表皮生长因子受体2(HER2)阳性的早期乳腺癌治疗的辅助化疗,患者的生存结果出现了显著的改善。但是,曲妥单抗有可能会增加心脏毒性的风险,因此对于发病率和风险因素的长期评估是很有必要的。
 

NCCTG N9831试验比较了HER2阳性乳腺癌患者使用辅助的阿霉素和环磷酰胺(AC),随后每周使用紫杉醇(A组);紫杉醇然后曲妥单抗(B组);或者是紫杉醇加曲妥单抗随后单独使用曲妥单抗(C组)。对1944名继续接受后AC治疗的女性的累积心脏事件发病率(CE)和左心室射血分数(LVEF)进行评价。A、B、C三组中,六年累积CE发病率分别为0.6%、2.8%和3.4%。经过了中位时间为9.2年的随访后,1046名病人中仅有两例额外的充血性心力衰竭确诊病例。大多数出现了充血性心力衰竭的病人的LVEF得到了恢复。A、B、C三组中的心脏病死亡案例分别有两例、一例、一例。在B和C组中,60岁及以上患者LVEF低于65%以及接受抗高血压药物治疗是和CE风险增高有关的。
 
此次研究表明,额外使用曲妥单抗使得六年累积CE发病率有轻微的升高。但是,CE的发生是很罕见的。曲妥单抗仍然有很好的效益-风险比。这对于临床治疗HER2阳性乳腺癌有着指导性的意义。

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    2016-08-11 lidong40
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    2015-10-18 dearluodi

    学习啦

    0

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