在患有B型血友病的儿童中使用延长半衰期因子IX的现实世界
Athina Dettoraki1, Aikaterini Michalopoulou1, Stefanos Saslis1
1Haemophilia Centre, Haemostasis and Thrombosis Unit, "Aghia Sophia" Children's Hospital, 1 Thivon and Papadiamantopoulou Str., 115 27 Athens, Greece.
Life (Basel, Switzerland)
|September 27, 2025
概括
延长半衰期 (EHL) 因子IX产品为血友病B (PWHB) 患者提供了改善的预防,减少出血率和因子消耗. 这项现实研究表明,在儿科患者中成功使用EHL,没有抑制剂的发展.
科学领域:
- 血液学 血液学 血液学
- 儿科医学 儿科医学
- 药理学 药理学是指药理学的学科.
背景情况:
- 有限的现实世界数据存在于延长半衰期 (EHL) 因子IX产品对于患有血友病B的儿科患者.
- 与标准半衰期 (SHL) 产品相比,了解EHL Factor IX的临床经验对于优化治疗策略至关重要.
研究的目的:
- 评估使用EHL Factor IX产品在患有血友病的儿童和青少年中的实际临床经验.
- 为了比较EHL和SHL预防之间的治疗结果,包括剂量间隔,最低水平,年出血率和因子IX消耗.
主要方法:
- 对于患有B型血友病的儿科患者的医疗记录的回顾性审查,处方EHL Factor IX缩剂.
- 分析数据,包括患者人口统计,出血表型,预防方案和治疗结果.
- 在EHL和SHL预防使用之间的结果的统计比较.
主要成果:
- 从SHL过渡到EHL预防增加了中位数剂量间隔 (3.5至7天) 和严重血友病B的平均低谷水平 (4.3%至15.3%).
- 在接受EHL预防的患者中,平均年出血率 (ABR) 从1.8降至1.
- 与SHL (70.3IU/kg/week) 相比,EHL预防 (45.6IU/kg/week) 和SHL (70.3IU/kg/week) 预防和出血,以及单独预防 (37.0IU/kg/week与66.0IU/kg/week) 观察到显著较低的因子IX消耗.
- 在任何患者中都没有报告任何抑制剂的发展.
结论:
- 延长半衰期因子IX预防在患有B型血友病的儿科患者中成功使用.
- 在这一群体中,EHL Factor IX产品显示出改善临床结果和减少因子消耗的潜力.
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