Blood:纳武单抗单药治疗有望治愈难治性/复发性EBV相关淋巴组织细胞增生症

2020-01-09 QQY MedSci原创

中心点:纳武单抗,作为单药疗法,导致5/7 r/r EBV-HLH患者完全缓解,而且其中4例的EBV完全清除。纳武单抗可恢复CD8 T细胞的抗EBV程序。摘要:EB病毒(EBV)相关淋巴组织细胞增生症(EBV-HLH)是一种危及生命的高炎症反应综合征,由EBV感染触发。EBV-HLH多为难治性或复发性(r/r),因为以依托泊苷为基础的治疗方案不能有效的清除该病毒。如果没有异基因造血干细胞移植,r/

中心点:

纳武单抗,作为单药疗法,导致5/7 r/r EBV-HLH患者完全缓解,而且其中4例的EBV完全清除。

纳武单抗可恢复CD8 T细胞的抗EBV程序。

摘要:

EB病毒(EBV)相关淋巴组织细胞增生症(EBV-HLH)是一种危及生命的高炎症反应综合征,由EBV感染触发。EBV-HLH多为难治性或复发性(r/r),因为以依托泊苷为基础的治疗方案不能有效的清除该病毒。如果没有异基因造血干细胞移植,r/r EBV-HLH在成人中始终是致命的。

在本研究中,研究人员回顾性的分析了7例在华西医院采用纳武单抗治疗的r/r EBV-HLH患者的数据。6位患者对治疗有反应。中位随访16个月(范围11.4-18.9个月),其中5位获得并保持临床完全缓解。

单细胞RNA测序分析显示过度活跃的单核/巨噬细胞和无效的CD8 T细胞的不平衡激活与该综合征有关。纳武单抗治疗扩增了PD-1+ T细胞,恢复了CD8 T细胞的HLH相关脱颗粒和共刺激基因的表达。

综上所述,本研究表明纳武单抗,作为单药疗法,可为r/r EBV-HLH患者提供可治愈的希望,可能是通过恢复不平衡的免疫系统的抗EBV程序。

原始出处:

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    2020-03-17 1488f5e0m58暂无昵称

    怎么下载这篇文章,急寻!最近可以去直接去华西医院尝试该治疗吗?麻烦知道的告诉我一下,谢谢了

    0

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    2020-01-11 freve
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    2020-01-09 njwbhuang

    免疫抑制剂又下一城。

    0

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