JNCI:化疗引发卵巢功能衰竭的乳腺癌患者使用阿那曲唑有无获益?

2017-11-03 吴星 环球医学

近期发表在《JNCI》的一项分析,报告了化疗引发卵巢功能衰竭的乳腺癌患者使用阿那曲唑治疗时,卵巢功能的恢复情况。

近期发表在《JNCI》的一项分析,报告了化疗引发卵巢功能衰竭的乳腺癌患者使用阿那曲唑治疗时,卵巢功能的恢复情况。

背景:芳香化酶抑制剂(AIs)用于绝经后激素受体阳性乳腺癌女性,以及化疗诱发卵巢功能衰竭患者的辅助治疗。目前有关化疗诱发的卵巢功能衰竭患者内分泌数据的分析报告被纳入III期数据研究中,该研究评估了他莫昔芬后辅助阿那曲唑的不同持续时间。

方法:研究者确定了化疗引发卵巢功能衰竭的所有患者。排除随机分配前,行双侧卵巢切除术或使用促黄体激素释放激素激动剂的女性。在当地实验室监测随机分配后至30个月期间血浆雌二醇和促卵泡激素的水平。通过累计发病率竞争风险,研究者旨在确定AI使用期间的卵巢功能恢复(OFR)率,并通过巢式病例对照法分析AI使用期间雌二醇水平的趋势,将对照组受试者与OFR患者相比且排除诊断时即有OFR诊断意义的OFR患者。

结果:随机分配时,329例患者符合纳入条件,中位年龄为50.0岁(范围=45~57岁)。39例患者进展为OFR,相应的30个月恢复率为12.4%。其中,11例(28.2%)在AI初始治疗时年龄≥50岁。两组中AI治疗的初始30个月时的雌二醇水平降低37.8%且有统计学意义(95% CI=27.4%~46.7%)。然而,与未经历OFR的患者相比,经历OFR者的雌二醇水平显着高于OFR诊断前且有统计学意义(差异=20.6%,95% CI=2.0%~42.7%)。

结论:化疗诱导卵巢功能衰竭的乳腺癌患者AI治疗期间的OFR风险具有相关性,甚至是在超过45岁的患者中。此外,在AI治疗期间(OFR前),OFR女性比非OFR女性具有统计学上显着更高的雌二醇水平,提示可能有潜在获益。

原始出处:

Irene E. G. van Hellemond,et al.,Ovarian Function Recovery During Anastrozole in Breast Cancer Patients With Chemotherapy-Induced Ovarian Function Failure. J Natl Cancer Inst.Volume 109, Issue 12, 1 December 2017.

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