Blood:分子MRD状态对患者alloSCT后预后的预测价值

2020-01-14 QQY MedSci原创

中心点:移植前MRD水平对预后有很高的预测作用,PB中200拷贝/ 105ABL和BM中1000拷贝的阈值具有分辨性。移植前MRD阳性率低于上述水平的患者复发主要局限于携带FLT3 ITD的患者。摘要:复发仍然是接受异体干细胞移植(alloSCT)治疗的急性髓系白血病(AML)患者治疗失败的最常见原因,导致患者预后极其不良。多项研究表明,在alloSCT前,用流式细胞术(FCM)评估的可检测的残留

中心点:

移植前MRD水平对预后有很高的预测作用,PB中200拷贝/ 105ABL和BM中1000拷贝的阈值具有分辨性。

移植前MRD阳性率低于上述水平的患者复发主要局限于携带FLT3 ITD的患者。

摘要:

复发仍然是接受异体干细胞移植(alloSCT)治疗的急性髓系白血病(AML)患者治疗失败的最常见原因,导致患者预后极其不良。多项研究表明,在alloSCT前,用流式细胞术(FCM)评估的可检测的残留病灶(MRD)的出现是复发的一个强有力的预测指标,但目前还不清楚这些发现如何适用于那些在分子MRD检测中呈阳性的患者,因为分子检测的敏感性要高得多。

Dillon等人通过RT-qPCR对107例NPM1突变的AML患者的移植前血液和骨髓样本进行了分析。中位随访4.9年,阴性、低MRD水平(外周血[BP]<200拷贝/105ABL和骨髓[BM]<1000拷贝)和高MRD水平的2年预计总体存活率(OS)分别为83%、63%和13%(p<0.0001)。

聚焦于alloSCT前低MRD水平的患者,其中,FLT3 ITD患者的预后明显较差(风险比[HR] 6.14,p=0.01)。结合这些变量具有较高的预后意义,将患者分为两组,2年OS分别为17%和82%(HR 13.2, p<0.0001)。在整个队列和MRD阳性患者中,T缺失与存活率明显降低相关(2年OS分别是 56% vs 96%和34% vs 100%;HR分别是3.24和3.78),但无论是调节方案还是供体来源对预后均无显著影响。

原始出处:

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    2020-01-16 膀胱癌
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    2020-01-16 yaanren
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    2020-01-15 飛歌

    学习了很有用不錯

    0