Prostate Cancer P D:PCA3和TMPRSS2:ERG 泌尿生物标记在预测活检结果中的表现分析

2019-02-01 AlexYang MedSci原创

对于那些前列腺癌积极监控的男性来讲,生物标记可能改善再分类预测到更高的等级或者体积癌症。最近,有研究人员调查了泌尿标记PCA3和TMPRSS2:ERG(T2:ERG)与基于活检的再分类之间的相关性。研究人员在基线时间点、6、12和24个月时收集了患者的尿液,并定量了PCA3和T2:ERG的水平。在分类定义为格林森得分的增加或者癌症活检核心比例不小于34%。调整了常见的临床变量后,研究人员还评估了生

对于那些前列腺癌积极监控的男性来讲,生物标记可能改善再分类预测到更高的等级或者体积癌症。最近,有研究人员调查了泌尿标记PCA3和TMPRSS2:ERG(T2:ERG)与基于活检的再分类之间的相关性。

研究人员在基线时间点、6、12和24个月时收集了患者的尿液,并定量了PCA3和T2:ERG的水平。在分类定义为格林森得分的增加或者癌症活检核心比例不小于34%。调整了常见的临床变量后,研究人员还评估了生物标记得分与短期和长期的再分类的相关性。研究共包括了782名男性,共2096个尿液样本。在调整了PSA、前列腺大小和癌症活检核心比例后,研究人员发现PCA3(而不是T2:ERG)与首次监控活检的短期再分类相关(OR=1.3; 95% CI 1.0-1.7, p=0.02)。将PCA3添加到临床变量模型中能够改善曲线下面积(0.743到0.753)和增加净效益最低限度。另外,调整临床变量后,标记或者标记动力学均与随后活检中再分类的时间没有相关性。

最后,研究人员指出,PCA3与癌症再分类相关,但是在ROC和DCA分析中改善较小。另外,也没有标记与随后的活检再分类相关。

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    2019-04-10 kzlchina
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    2019-02-03 lsndxfj
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    2019-02-03 sunylz

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