Blood:二代测序证实最小残余病灶可作为多发性骨髓瘤的预后标志物

2018-09-25 MedSci MedSci原创

新型药物的引入极大程度的提高了多发性骨髓瘤患者的临床预后。为缩短新疗法的评估时间,卫生机构目前正在尝试以最小残留病灶(MRD)作为临床试验的替代评估结点。Aurore Perrot等人在维持治疗阶段采用二代测序来评估MRD的预后意义。MRD阴性定义:在1000000个骨髓细胞内无肿瘤浆细胞(<10-6)。数据分析来源于近期一个评估移植在对于新确诊的采用来那度胺、硼替佐米和地塞米松(RVD)治

新型药物的引入极大程度的提高了多发性骨髓瘤患者的临床预后。为缩短新疗法的评估时间,卫生机构目前正在尝试以最小残留病灶(MRD)作为临床试验的替代评估结点。

Aurore Perrot等人在维持治疗阶段采用二代测序来评估MRD的预后意义。MRD阴性定义:在1000000个骨髓细胞内无肿瘤浆细胞(<10-6)。数据分析来源于近期一个评估移植在对于新确诊的采用来那度胺、硼替佐米和地塞米松(RVD)治疗的骨髓瘤患者的意义的临床试验。

127位患者(25%)在维持期间至少有一次MRD阴性。在维持治疗起始时,MRD是无进展存活期(校正风险比 0.22,95% CI 0.15-0.34;p<0.001)和总体存活率(0.24,95% CI 0.11-0.54,p=0.001)的一个很好的预后指标。MRD阴性患者的无进展存活期很可能长于可检测到残余病灶患者的无进展存活期,无论是在哪个治疗组(RVD vs 移植)、细胞遗传风险状况或诊断时的国际分期系统疾病分期。维持治疗结束后上述结果不变。

本研究通过二代测序证明了MRD状态可作为多发性骨髓瘤的预后生物标志物,提示该方法或可用于适应未来临床试验的治疗策略。


原始出处:

Aurore Perrot,et al.Minimal residual disease negativity using deep sequencing is a major prognostic factor in multiple myeloma. Blood  2018  :blood-2018-06-858613;  doi: https://doi.org/10.1182/blood-2018-06-858613

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    2018-11-07 jml2009
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    2018-09-26 jyzxjiangqin

    二代测序证实最小残余病灶。

    0

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    2018-09-25 医者仁心5538

    学习了

    0

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2018年8月,欧洲骨髓瘤网络(EMN)发布了多发性骨髓瘤的诊断和监测建议,多发性骨髓瘤的诊断充满调整,即使是经验丰富的临床医生,在骨髓瘤最终确诊前仍然需要多学科协作。EMN更新了骨髓瘤鉴别诊断建议。

CLIN CANCER RES:通过靶向白血病抗原PR1的免疫疗法治疗多发性骨髓瘤

PR1是来源于中性粒细胞弹性蛋白酶(NE)和蛋白酶3(P3)的人HLA-A2肽。既往的研究表明PR1在实体肿瘤,白血病和抗原呈递细胞(包括B细胞)中交叉表达。实体肿瘤PR1交叉表达使其对靶向PR1的免疫治疗敏感。多发性骨髓瘤来源于B细胞,CLIN CANCER RES近期发表了一篇文章,研究多发性骨髓瘤是否也交叉表达PR1以及是否可以利用PR1免疫疗法进行靶向治疗。

Blood:免疫调节剂(IMiDs)通过促进Ikaros/Aiolos降解来上调CD38,进而增强达雷木单抗介导的骨髓瘤细胞杀伤

中心点:Ikaros和Aiolos失活可再现IMiDs在MM中的细胞内在作用以及转录变化。Ikaros或Aiolos缺失可上调干扰素刺激基因,包括CD38。摘要:近期有研究表明免疫调节药物(IMiDs)可促进转录因子Ikaros和Aiolos降解。但是,Ikaros和Aiolos缺失为何可导致多发性骨髓瘤(MM)细胞死亡尚不明确。Pasquale L. Fedele等研究人员采用CRISPR-Ca