JAMA Oncol:5α-还原酶抑制剂与前列腺癌死亡率的相关性

2022-05-26 MedSci原创 MedSci原创

5-ARI治疗时间越长,前列腺癌相关死亡风险越低。

有证据表明,5α-还原酶抑制剂(5-ARI),一种良性良性前列腺增生的标准治疗方法,与前列腺癌(PCa)发病率的降低相关。然而,到目前为止,关于5-ARI对前列腺癌死亡率的影响的研究结果相互矛盾。

本研究旨在评估5-ARI治疗与无前列腺癌病史的男性前列腺癌相关死亡率的关联。

这是一项以人群为基础的队列研究,纳入了429977位在研究期间进行了前列腺特异性抗原(PSA)检测的男性。研究入组时间设为第一次PSA检查后1年。初次PSA检测后,新开两份或以上5-ARI、非那雄胺或度他雄胺处方的男性被认为是5-ARI使用者(n=2619)。主要终点是前列腺癌相关死亡率。


初次PSA检测时的受试者特征

2007年1月1日-2018年12月31日期间,共纳入了349152位男性。持有2张或2张以上5-ARI处方的受试者的中位年龄为66(61-73)岁,没有2张或2张以上5-ARI处方的受试者的中位年龄为57(50-64)岁。中位随访了8.2年,未暴露组和暴露组分别随访了2257619人·年和124008人·年。暴露于5-ARI治疗的中位时间是4.5(2.1-7.4)年。


在5-ARI治疗期间全因死亡和前列腺癌死亡率的相关性

在随访期间,有35767位受试者死亡,其中852例死亡与前列腺癌相关。校正后的多变量生存分析显示,5-ARI暴露时间越长,前列腺癌相关死亡风险越低(0.1-2.0年:校正HR 0.89;>8年:0.44)。暴露组与未暴露组的全因死亡率无统计学差异。接受5-ARI治疗的男性每年比未接受治疗的进行更多的PSA检测和活组织检查(中位次数分别是0.63 vs 0.33 和 0.22 vs 0.12)。


有无5-ARI暴露个体的前列腺癌死亡率

综上,该研究结果表明,5-ARI治疗与既往无前列腺癌病史的男性的前列腺癌相关死亡率增加无明显相关性。此外,5-ARI治疗时间越长,前列腺癌相关死亡风险越低

 

原始出处:

Bjornebo L, Nordstrom T, Discacciati A, et al. Association of 5α-Reductase Inhibitors With Prostate Cancer Mortality. JAMA Oncol. Published online May 19, 2022. doi:10.1001/jamaoncol.2022.1501.

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    2022-08-03 minlingfeng
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    2022-10-06 jklm09
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    2022-05-27 清风徐来2022

    #前列腺癌#5-ARI治疗与既往无前列腺癌病史的男性的前列腺癌相关死亡率增加无明显相关性

    0

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    2022-05-26 肿瘤克星

    JAMA上文章都是顶级的,谢谢梅斯及时上新

    0

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