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黑人前列腺癌患者慎用ADT疗法治疗

2016-08-19 MedSci MedSci原创

一项回顾性研究指出,患有进展性前列腺癌的黑人在接受放疗前若采用短期ADT治疗,各种原因死亡的风险较其他种族的民众而言增加77%。研究结果发表在Cancer。波士顿布莱根妇女医院放射肿瘤科的Konstantin A. Kovtun博士指出,医生应尽量避免患侵袭性前列腺癌的美洲和非洲民众采用ADT治疗。对于任何种族、任何肤色的前列腺癌患者而言,医生一般不会采取ADT +放疗的方法进行治疗,因为该方法并

一项回顾性研究指出,患有进展性前列腺癌的黑人在接受放疗前若采用短期ADT治疗,各种原因死亡的风险较其他种族的民众而言增加77%。研究结果发表在Cancer


波士顿布莱根妇女医院放射肿瘤科的Konstantin A. Kovtun博士指出,医生应尽量避免使患侵袭性前列腺癌的美洲和非洲民众采用ADT治疗。对于任何种族、任何肤色的前列腺癌患者而言,医生一般不会采取ADT +放疗的方法进行治疗,因为该方法并不改善患者的生存率,而且有证据表明,这种方法可能对黑人男性更为不利。 

非洲裔和美洲裔的前列腺癌患者接受这项为期4个月的激素治疗的目的是将前列腺缩小以达到放疗的目的。但是数据显示非洲裔和美洲裔的黑人男性较其他种族的男性患者死亡率较高。

研究人员对芝加哥前列腺癌中心7252名肿瘤侵袭性较低或中度的前列腺癌患者进行了调查,他们在1997年-2013年接受了放疗治疗,其中20%的患者接受了ADT疗法。研究人员对参与者进行了为期8年的随访,其中869名(12.0%)男性死亡,48名(5.52%)死于前列腺癌,其余821名(94.48%)死于其他原因。研究显示,黑色人种的全因死亡率明显增加,二者有明显关联(aHR:1.77;95%CI:1.06-2.94;P=0.028)。 

Kovtun博士和同事指出,ADT疗法+放疗不能显著提高患者的生存率,但是许多医院和随机临床试验仍然在用。对于侵袭性前列腺癌患者,使用ADT疗法或许会增加患者的副作用,导致更多并发症的出现,例如出现毒性反应导致患者出现心梗的风险增加,进而缩短患者的生存时间。但ADT疗法的好处在于可治疗机体出现的潜在疾病。

Kovtun博士和同事指出,需要进行更进一步的研究以从基因角度分析黑人和其他人种的差异原因。也需要进行利弊分析,评估患者是否有采用ADT疗法治疗的必要。

研究显示,男性前列腺癌患者接受ADT疗法后全因死亡率明显增加,除前列腺癌外的其他原因死亡率也是如此(aHR:1.86,95%CIl:1.08-3.19,P=0.024)。但是对于未接受ADT疗法的黑人患者而言,则未表现出这种关联(全因死亡率aHR:1.33,95%CI:0.93-1.91, P=0.12;其他原因死亡率aHR:1.39,95% CI:0.96-2.02,P =0.08)。

且研究人员指出,黑人的随访时间相比其他种族的患者而言明显缩短(6.12:9.62年)。因此研究人员对接受ADT疗法的黑人死亡率掌握的信息有限,但是这毫无疑问显示出接受ADT疗法的黑人男性死亡率明显增加。

那么问题来了,为什么前列腺癌黑人接受ADT疗法后死亡率增加?研究人员指出,或许由于黑人出现代谢性疾病的风险更高。但是他们表示仍需进行更进一步的研究。

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    2016-08-26 李东泽

    这篇资讯写的真好,带给我们新知识,启发新思维,不论是科研还是临床工作都有很大的帮助。。。

    0

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    2016-08-26 李东泽

    这篇资讯写的真好,带给我们新知识,启发新思维,不论是科研还是临床工作都有很大的帮助。。。

    0

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    2016-08-23 刘煜

    阅读了。

    0

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