在移植之前,基于达拉图穆马布的无敏化开放式研究1/2期
Caroline Pilon1,2, Nizar Joher3, Cédric Usureau4,5
1Universite Paris Est Creteil, INSERM IMRB U955, Créteil, France.
Kidney international reports
|November 13, 2024
概括
在脏移植候选人中,达拉图马布显示抗HLA抗体的短暂减少. 虽然通常是安全的,但只有不到40%的患者获得了持久的反应,这限制了其在临床上用于脱敏的使用.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 免疫学 免疫学 免疫学
- 移植 移植 移植 移植
背景情况:
- 移植对于末期病至关重要.
- 具有高计算面板反应性抗体 (cPRA) 的高度敏感的患者面临重大挑战.
- 像达拉图穆马布这样的抗CD38单克隆抗体可能会导致脱敏.
研究的目的:
- 评估达拉图穆马布在移植候选人中脱敏的安全性和有效性.
- 评估抗人类白细胞抗原 (HLA) 抗体和cPRA的减少.
- 为了监测免疫细胞种群和不良事件.
主要方法:
- 一个双相 (1和2),单心的开放标签研究.
- 第一个阶段:增加达拉图穆马布的剂量.
- 第二阶段:在CPRA>95%的患者中,每周输注16mg/kg达拉图穆马布8次.
主要成果:
- 没有观察到严重的治疗出现的不良事件 (TEAE);轻微的TEAE大多与输液有关.
- 到第3个月,抗HLA抗体和cPRA显著减少.
- 在6个月的持续反应 (cPRA下降) 达到76.92%的cPRA>10,000,但在12个月恢复到基线.
结论:
- 达拉图穆马布在对高度敏感的移植候选人的脱敏感化方面显示出初始的安全性和暂时的疗效.
- 与输液相关的不良事件是常见的.
- 抗体减少的有限耐用性限制了其在这种情况下的广泛临床应用.
相关概念视频
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