ORPHEE:关于rIX-FP在青少年/成年患有乙型血友病的患者的预防使用的现实研究
Fabienne Volot1, Sabine Castet2, Alexandra Fournel3
1HTC, Dijon Bourgogne University Hospital, Dijon, France.
European journal of haematology
|December 5, 2024
概括
在B型血友病患者中,复合因子IX专融合蛋白 (rIX-FP) 减少了注射频率和因子IX消耗. 这种开关保持了对出血的优良保护,在法国显示了现实世界的有效性.
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.
- 临床医学 临床医学
背景情况:
- 血友性B (HB) 是一种罕见的遗传出血疾病.
- 目前的治疗包括定期注射因子IX (FIX).
- 开发更方便,更有效的疗法至关重要.
研究的目的:
- 为了评估复合因子IX专融合蛋白 (rIX-FP) 在法国血友病B患者的实际有效性和安全性.
- 在切换到rIX-FP后,评估剂量,消耗和出血率的变化.
主要方法:
- 在rIX-FP切换之前和之后 (2021年12月至2024年2月) 对剂量,消耗和出血的回顾性数据收集.
- 计算每年出血率 (ABRs) 和每年自发出血率 (AsBRs) 在跟踪≥6个月的患者中.
- 对77名患者 (≥12年) 的中间分析,重点是严重的HB.
主要成果:
- 切换到rIX-FP的结果是,输液间隔的中位数为14天.
- 每周的XIX因子消耗显著下降.
- 95%的患者报告了优秀/良好的预防疗效.
- 患者保持了良好的抗出血保护,低ABR和AsBR.
结论:
- 在法国,rIX-FP为B型血友病患者提供了可行的治疗选择.
- 切换到rIX-FP可以减少注射频率和FIX消耗.
- 该疗法保持了有效的出血保护,改善了患者管理.
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