在日本和非日本人口之间对异构骨髓移植结果的比较分析

在日本和非日本人口之间对异构骨髓移植结果的比较分析

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Ryu Yanagisawa¹, Michiho Shindo², Akihito Shinohara²

¹Division of Blood Transfusion, Shinshu University Hospital, Matsumoto, Japan.

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|February 9, 2024

概括

种族差异对日本和非日本患者的异性骨髓移植 (BMT) 结果的影响很小. 血小板移植仅在日本到非日本的 BMT 中被推迟,这表明种族不是 BMT 成功的主要因素.

科学领域:

血液学血液学血液学
移植免疫学移植免疫学
医学遗传学医学遗传学

背景情况:

日本人口可能表现出减少的遗传多样性,可能会影响多种族场景中的全源造血细胞移植 (HCT) 结果.
目前,有限的证据解决了种族差异对HCT治疗疗效的具体影响.

研究的目的:

为了研究种族差异对异性骨髓移植 (BMT) 结果的影响.
在日益国际化的背景下提供数据,以优化捐赠者选择.

主要方法:

在1996年至2021年期间,利用日本国家数据库首次采用异性BMT.
员工倾向分数匹配,以比较日本和非日本患者群体之间的结果,控制年龄,疾病,HLA匹配和调节强度等关键变量.

主要成果:

分析包括48个非日语到日语和75个日语到非日语的 BMT 病例.
总体生存率,非复发性死亡率,急性和慢性移植与宿主疾病 (GVHD) 和中性粒细胞移植没有显示出任何显著的种族差异.
延迟的血小板移植仅在日本到非日本的BMT接受者中观察到.

结论:

全基性骨髓移植的结果基本上不受患者或捐赠者的种族影响.
研究结果支持日本患者使用多种多样的捐赠者接受BMT治疗,这对于国际捐赠者注册至关重要.

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