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ASCO 2017:阿比特龙能助晚期前列腺癌患者活得更久

2017-06-05 MedSci MedSci原创

既往的研究表明,阿比特龙(Abiraterone)对去势抵抗性前列腺癌(castration-refractory prostate cancer,CRPC)男性的治疗有生存优势。但在疾病的早期,Abiraterone是否有效仍不明确。

既往的研究表明,阿比特龙(Abiraterone)对去势抵抗性前列腺癌(castration-refractory prostate cancer,CRPC)男性的治疗有生存优势。但在疾病的早期,Abiraterone是否有效仍不明确。STAMPEDE是一个采用多臂多级平台设计的随机对照试验。STAMPEDE研究招募了高风险的局部晚期或转移性且开始长期去势治疗(androgen deprivation therapy ,ADT)的前列腺癌患者。在ASCO 2017大会上,研究人员报告了他们比较的第一批生存数据。

标准治疗(SOC)为ADT治疗2年以上;放射治疗(RT)被用于N0M0和N+M0前列腺癌患者。分层随机分配(1:1)患者接受SOC或SOC +阿比特龙1000mg/d+泼尼松龙5mg/d。治疗时间取决于阶段和打算给予进一步RT:没有接受RT或表现为M1的患者治疗一直持续到PSA、放射学的治疗和临床进展。主要终点是任何原因的死亡。采用Cox比例风险参数模型分析结果,调整分层因素。

从2011年11月-2014年1月共1917例患者被纳入研究。各组均为:平均年龄67岁;52%为转移性患者,20%为N+/X M0,28%为N0M0;95%的患者是初诊;中位PSA为53ng/mL。平均随访40个月。对照臂中262人死亡(82%前列腺癌)。SOC+阿比特龙 vs SOC,调整后的HR为0.63(95%CI,0.52-0.76;P = 0.115x10-7;184人死亡)3年OS从76%提高到83%。对照臂中出现535例FFS事件;SOC+阿比特龙 vs SOC,调整后的HR为0.29(95%CI,0.25-0.34;P = 0.377x10-63,248例FFS事件)的SoC + ABI与SOC。3和4级不良事件:SOC组分别为29%和3%,SOC加阿比特龙组分别为41%和5%。5级不良事件分别为3和9例。

该研究结果提示在去势治疗刚开始的时候添加阿比特龙对总生存和无失败生存都有着临床和统计学上的显著影响。ADT(+/- RT)+阿比特龙是前列腺癌群体的一个新的标准治疗。

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    2017-08-10 quxin068
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    2017-06-07 luominglian113

    涨知识了,谢谢分享

    0

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    2017-06-06 184****9840

    学习了谢谢分享。

    0

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