红血病B患者的rIX-FP预防的好处:西班牙参考中心的现实证据
Olga Benítez-Hidalgo1,2, Marc Bosch Schips1,2, Juan Carlos Juárez Giménez3
1Servei d'Hematologia, Experimental Hematology, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Barcelona Hospital Campus, Vall d'Hebron Hospital Universitari, Barcelona, Spain.
Hematology (Amsterdam, Netherlands)
|September 8, 2023
概括
延长半衰期因子IX (rIX-FP) 为血友病B (PWHB) 患者提供有效的预防,减少输液频率和因子消耗,同时在现实环境中保持出色的出血控制.
科学领域:
- 血液学 血液学 血液学
- 药理学 药理学是指药理学的学科.
- 现实世界的证据.
背景情况:
- 对于患有血友病B (PWHB) 的人来说,标准的因子IX (FIX) 预防需要经常注射.
- 延长半衰期的产品,如rIX-FP (albutrepenonacog alfa),已被开发来提高治疗的方便性和坚持性.
- 临床研究表明rIX-FP的疗效,但现实世界的数据对于全面理解至关重要.
研究的目的:
- 报告在西班牙中心使用rIX-FP (albutrepenonacog alfa) 的现实经验.
- 评估从标准半衰期FIX或其他延长半衰期FIX产品转换到PWHB中的rIX-FP.
- 在接受rIX-FP治疗的患者中,评估出血控制,输液率,因子消耗和谷因子水平.
主要方法:
- 采用了一种雄心勃勃的研究设计.
- 包括五名PWHB:四名先前接受治疗的患者 (PTP) 转换为rIX-FP,一名先前未接受治疗的患者 (PUP) 开始使用rIX-FP进行预防.
- 收集和分析了出血率,输液频率,FIX消耗和低谷因子水平的数据.
主要成果:
- 在切换到rIX-FP后,PTP的年均自发和关节出血率保持在0.00
- 年均出血率 (ABR) 的中位数为0.92 (范围:0.00-2.77).
- 平均最低FIX水平从之前的产品的3.68%增加到rIX-FP的7.08%在各种剂量间隔. PTPs将其年度输液率降低了50-84%,FIX消费量降低了61%.
结论:
- 这项研究介绍了在西班牙队列中首次报告使用albutrepenonacog alfa的现实体验.
- rIX-FP表现出良好的出血控制,减少输液频率和减少因子消耗.
- 与以前的疗法相比,使用rIX-FP的治疗导致了较高的低谷因子水平,突出了其作为有效预防方案的潜力.
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