BJU Int:前列腺切除术后PSA对抢救性放疗影响研究

2019-07-03 AlexYang MedSci原创

最近,有研究人员测试了在根治性前列腺切除术(RP)后,持久性的PSA和PSA在不可检测范围(<0.1ng/ml)内增加时,是否抢救性放疗(SRT)在N0前列腺癌(PCa)中的效果是一样的。研究人员在55名PCa患者中评估了SRT后PSA无进展生存(PFS),并将整个群体与一个风险调整后的包括112名患者的亚群进行了比较,并且具有匹配的RP前PSA(±10ng/ml)、格林森评分(≤6 vs

最近,有研究人员测试了在根治性前列腺切除术(RP)后,持久性的PSA和PSA在不可检测范围(<0.1ng/ml)内增加时,是否抢救性放疗(SRT)在N0前列腺癌(PCa)中的效果是一样的。

研究人员在55名PCa患者中评估了SRT后PSA无进展生存(PFS),并将整个群体与一个风险调整后的包括112名患者的亚群进行了比较,并且具有匹配的RP前PSA(±10ng/ml)、格林森评分(≤6 vs 7 vs ≥8)和SRT前PSA(±0.2ng/ml)。研究发现,跟踪调查的平均时间为6.1年。RP后PSA在422名患者中检测不到,在133名患者中持续存在。PSA的持续性和SRT前PSA≥0.5ng/ml能够减少PFS的Kaplan-Meier比例。在整个群体和风险调整后多变量分析中,SRT术前PSA,而不是RP后PSA持续性是一个显著的参数。在匹配的早期SRT的PSA<0.5ng/ml亚群中,RP术后PSA持续性表现出了较差的结果。不考虑RP术后PSA情况下,延迟的SRT且PSA≥0.5ng/ml时能够导致PFS少于30%。

最后,研究人员指出,在N0且具有术后RP PSA持久性的患者中,早期SRT且PSA<0.5ng/ml的患者比那些RP术后具有不可检测PSA的复发患者效果稍差。这些患者可能从强化治疗中受益,但是需要进一步的研究来确定上述结论。

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    2019-07-05 lfyang
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    2019-07-03 百草

    666

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