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Blood:诱导缓解早期MRD水平对ALL患儿采用低强度化疗预后的影响

2020-10-12 星云 MedSci原创

既往数据显示,大约40%的急性淋巴细胞白血病(ALL)患儿通过限制性的基于抗代谢药物的化疗方案治愈。然而,目前仍不能准确地鉴别具有极低风险(VLR)的患者。

既往数据显示,大约40%的急性淋巴细胞白血病(ALL)患儿通过限制性的基于抗代谢药物的化疗方案治愈。然而,目前仍不能准确地鉴别具有极低风险(VLR)的患者。

根据诱导性治疗第19天出现的症状和最小残留病(MRD)水平<0.01%相结合选择的患者经低强度的治疗可获得较好的预后。

在本研究中,Sidhom等调查了诱导缓解早期,MRD水平在0.001%~<0.01%之间对采用低强度方案治疗的VLR ALL患者预后的影响

自2011年10月至2015年9月,共200例B-前体ALL患者具有良好临床病理特征,在诱导治疗第19天和结束后的MRD<0.01%,接受了低强度治疗。

5年无事件生存率为89.5%(±2.2%SE),总生存率为95.5%(±1.5%SE)。5年累积复发率(CIR)为7%(95%CI,4%~11%)。

29名患者第19天检测到的MRD水平在0.001%~<0.01%之间。这些患者的5年CIR值明显高于未检出残留病灶的患者(17.2%±7.2% vs 5.3%±1.7%,P=0.02)。

综上所述,该研究表明,VLR ALL患儿采用低强度治疗可获得痊愈,表明VLR的分类标准可以通过更敏感的MRD检测来进一步完善。

原始出处:

Iman Sidhom, et al. Reduced-intensity therapy of pediatric lymphoblastic leukemia: Impact of residual disease early in remission induction. Blood. October 08, 2020.

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    2020-10-13 膀胱癌
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    2020-10-13 yaanren
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    2020-10-13 ms4000001242976819

    学习了

    0

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    2020-10-12 刘煜

    阅读谢谢分享

    0

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    2020-10-12 小小儿科医生

    看不懂

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