J Clin Oncol:选择乳腺癌内分泌治疗药物,要注意什么?

2021-09-26 MedSci原创 MedSci原创

NSABP对B-35研究数据进行二次分析,采用新的毒性指数,同时考虑临床医师报告不良事件数据和患者报告结局问卷数据,以探讨内分泌治疗过早停药的潜在原因。

内分泌治疗(ET)在激素受体阳性(HR+)浸润性乳腺癌的辅助治疗和降低高危乳腺癌患者风险中发挥着核心作用。服用三苯氧胺或芳香化酶抑制剂治疗5年可使原发性乳腺癌或疾病复发风险减半。然而,事实上超过50%的患者在5年期满前就停止了ET,这与乳腺癌复发和死亡率风险增加相关。NSABP B-35临床试验是一项随机、双盲、安慰剂对照研究。旨在阐明阿那曲唑与他莫西芬对3104名绝经后HR+原位导管癌患者的风险降低情况。一组患者在随机分配前(基线),和在参与研究期间每6个月完成一次患者报告结果问卷(PRO)。在中位随访9年之后,阿那曲唑组与他莫西芬组相比,乳腺癌无癌生存期延长了27%,主要发生在年龄小于60岁的女性。不良事件(AE)和过早停药的发生率则相似。 在抗癌登月研究计划的资助下,全国乳腺癌大肠癌术后辅助治疗研究协作组(NSABP)对B-35研究数据进行二次分析,采用新的毒性指数(TI),同时使用临床医生报告的AEs和PROs来调查与他莫昔芬和阿那曲唑过早停药相关的因素。 1、患者特征 3104名受试者被随机分至阿那曲唑与他莫西芬组,分组分析1523名这两种药物的受试者(图1),基线特征如表1

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    2022-05-07 minlingfeng

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