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J Clin Oncol:alloHCT前调节化疗的强度对AML患者预后的影响

2020-01-04 QQY MedSci原创

缓解期的急性髓系白血病(AML)患者仍有复发的风险,即使在异基因造血细胞移植(alloHCT)后。AML在alloHCT前可检测的残留病变(MRD)状态已被证实具有预后意义。对于MRD检测阳性的AML患者,改变alloHCT调节方案的强度是否可以预防复发,提高生存率,目前尚不清楚。本研究对一个III期临床试验的髓系恶性患者调节化疗前的血液中的13个AML常见突变基因进行深度靶向测序,在该试验中,所

缓解期的急性髓系白血病(AML)患者仍有复发的风险,即使在异基因造血细胞移植(alloHCT)后。AML在alloHCT前可检测的残留病变(MRD)状态已被证实具有预后意义。对于MRD检测阳性的AML患者,改变alloHCT调节方案的强度是否可以预防复发,提高生存率,目前尚不清楚。

本研究对一个III期临床试验的髓系恶性患者调节化疗前的血液中的13个AML常见突变基因进行深度靶向测序,在该试验中,所有获得形态学完全缓解的成人患者被随机分至清髓调节组(MAC)或减剂量调节组(RIC).

MAC组和RIC组分别有32%和37%的患者未检测到任何突变;这些组患者的存活率相近(3年总体存活率[OS] 56% vs 63%,p=0.96)。在携带一个可检测突变(NGS阳性)的患者中,MAC组和RIC组的复发率和存活率均具有显著差异(3年累积复发率 19% vs 67%,p<0.001;3年OS 61% vs 43%,p=0.02)。对NGS阳性患者进行多变量分析显示,根据疾病风险和供体校正后,与MAC相比,RIC与复发率升高(风险比HR 6.36)、无复发存活率降低(HR 2.94)和OS降低(HR 1.97)显著相关。AML MRD模型也显示,对检测呈阳性的患者,MAC优于RIC。

本研究表明对于alloHCT前MRD阳性的AML患者,MAC优于RIC,可提高患者的存活率。

原始出处:

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    2020-03-14 minlingfeng
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    2020-01-06 膀胱癌
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    2020-01-06 mjldent
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    2020-01-04 anti-cancer

    谢谢梅斯分享这么多精彩信息

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