里图西马布,使用和B细胞衰竭在患有膜性病的患者中-一项回顾性观察性研究
Payal Gaggar1, Ravitej Madipally1, Sree B Raju1
1Department of Nephrology, Nizams Institute of Medical Sciences, Hyderabad, Telangana, India.
Indian journal of nephrology
|October 26, 2023
概括
利图西马布在新发病和耐药病例中有效治疗异形膜性病 (MN),达到良好的缓解率. 然而,B细胞枯竭水平与治疗成功没有显著的相关性.
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
- 药理学 药理学是指药理学的学科.
背景情况:
- 异形膜性病 (MN) 是成年人性综合征的主要原因.
- 抗CD20单克隆抗体利图西马布 (Rtx) 消耗B细胞,是MN的新兴疗法.
- 对MN中关于B细胞枯竭的Rtx疗效的评估对于优化治疗至关重要.
研究的目的:
- 评估Rituximab在患有特异性膜性病 (MN) 的患者中的疗效和耐受性.
- 调查Rtx.治疗的MN患者B细胞枯竭和临床缓解之间的关系.
主要方法:
- 对20名生物检测证明初级MN的患者进行了回顾性观察性研究.
- 患者每隔一个月接受固定剂量500mg的IV利图西马布.
- 最少12个月的随访,评估6个月和12个月的完全 (CR) 或部分缓解 (PR) 和B细胞计数.
主要成果:
- 在12个月后观察到的复合缓解率为66.7% (5.6%CR,61.1%PR).
- 在实现缓解的患者中,平均PLA2R-Ab水平显著降低 (17.8RU/mL vs 311.7RU/mL,P=0.01).
- 在6个月84.3%和12个月32%的患者中观察到持续的B细胞枯竭,与缓解无显著关联.
结论:
- 利图西马布在未经治疗的和耐治疗的异常性膜性脏病中都显示出可接受的缓解率.
- 在这个队列中,B细胞枯竭水平和缓解的实现之间没有发现显著的关联.
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