在患有先天性免疫缺陷的成年人中,αβT/CD19贫乏的全源干细胞移植
Janneke J H de Winter1,2, Birtan M Ibrahimov1, Frances A Verheij1
1Department of Hematology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.
Journal of clinical immunology
|February 3, 2026
概括
具有αβTCR/CD19耗尽的ex vivo移植工程对于具有先天性免疫错误 (IEI) 的成年人是可行的. 这种方法显示出有前途的临床结果,包括成功的移植和免疫复合.
科学领域:
- 免疫学 免疫学 免疫学
- 血液学 血液学 血液学
- 移植医学 移植医学
背景情况:
- 全基性造血干细胞移植 (allo-HSCT) 对儿科天生的免疫缺陷 (IEI) 有效.
- 成年IEI患者面临诸如器官损伤和高死亡风险等挑战.
- 使用αβTCR/CD19枯竭的ex vivo移植工程在儿科中显示出希望,但缺乏成人数据.
研究的目的:
- 在成人IEI患者中评估αβTCR/CD19贫的-HSCT的可行性和结果.
- 评估移植,免疫复合和移植后的临床结果.
- 确定这种方法在成年IEI人群中的安全概况.
主要方法:
- 这项研究包括10名21-51岁的成年患者 (9 IEI,1 VEXAS).
- 患者接受了与骨髓衰变条件和ATG相关的αβTCR/CD19贫的异位移植.
- 免疫预防包括mycophenolate mofetil;一些接受了额外的免疫抑制.
主要成果:
- 所有患者都实现了初级移植;一个人需要第二次移植以拒绝.
- 五名患者患有急性GvHD (2-4级);没有观察到慢性GvHD.
- 一年后,大多数患者不再免疫抑制,病情得分有所改善,免疫细胞正常化,免疫球蛋白替代停止.
结论:
- 活体αβTCR/CD19消耗是IEI成年人可行的移植策略.
- 临床结果令人鼓舞,包括免疫复原和疾病控制.
- 需要进行更大规模的研究来证实成人IEI患者的这些发现.
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