在重复严重突破性血液溶解事件后,成功从佩格塞塔科普兰切换到伊普塔科潘 - 病例报告
Wolfgang Füreder1, Andreas Reinisch2
1Department of Medicine I, Division of Hematology & Hemostaseology, Medical University of Vienna, Vienna, Austria.
Hematology (Amsterdam, Netherlands)
|September 20, 2025
概括
患有阴性夜间血红蛋白尿症 (PNH) 的患者在 pegcetacoplan 上经历突破性血液溶解 (BTH),可能会从切换到 iptacopan 中受益. 这种切换有效地管理了BTH,并在12个月的随访期间稳定了患者的健康标志物.
科学领域:
- 血液学 血液学 血液学
- 免疫学 免疫学 免疫学
- 药理学 药理学是指药理学的学科.
背景情况:
- 服用C5抑制剂的阴性夜间血红蛋白尿症 (PNH) 患者可能会经历血管外血解.
- 突破性血液溶解 (BTH) 是一种严重的并发症,特别是在近位补体抑制剂下.
- 对于近接补体抑制剂,如佩格塞塔科普兰 (pegcetacoplan),达尼科潘 (danicopan) 和伊普塔科潘 (iptacopan) 存在有限的比较数据.
研究的目的:
- 评估从佩格塞塔科普兰切换到伊普塔科潘在PNH患者的疗效复发突破性血液溶解 (BTH).
- 评估iptacopan的安全性和耐受性,以管理对pegcetacoplan剂量升级无反应的BTH.
主要方法:
- 单个PNH患者的病例报告,在1年的佩格塞塔科普兰治疗期间出现了严重的BTH和急性功能衰竭.
- 患者被转换为iptacopan,随后进行1年的随访期.
- 监测血红蛋白,网状细胞计数和乳酸脱酶 (LDH) 水平.
主要成果:
- 在转换为伊普塔科潘后,该患者在12个月内没有进一步的BTH发作.
- 稳定的血红蛋白和网细胞数量得到维持.
- 在整个随访期间,乳酸脱酶 (LDH) 水平保持在正常范围内.
结论:
- 对于PNH患者来说,切换到伊普塔科潘可能是一个可行的治疗选择,尽管佩格塞塔科普兰剂量升级,但患有复发性BTH.
- 为了验证这些发现,需要对更大的患者队伍进行进一步的研究.
- 在此案例研究中,伊普塔科潘在预防BTH和保持血液稳定性方面表现出有效性.
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