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P.016 Clinical course of relapsing remitting multiple sclerosis post-natalizumab

机译:P.016复发依赖多发性硬化后的临床进程 - Natalizumab

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Background: Natalizumab is an efficacious disease modifying therapy (DMT) for relapsing remitting multiple sclerosis (RRMS), however, duration of therapy is often limited by risk of progressive multifocal leukoencephalopathy (PML). We describe the clinical course of RRMS patients switched from natalizumab to another DMT in a Canadian MS clinic. Methods: We conducted a retrospective study of prospectively collected data from the Dalhousie Multiple Sclerosis Research Unit (DMSRU). We identified all RRMS patients treated with natalizumab for >3 months who discontinued therapy with serum JC virus antibody positive status and switched to another DMT. Results: There were 84 individuals who switched to another DMT following natalizumab with 57 (68%) switching to fingolimod. Survival without a relapse on fingolimod was 92% (95% confidence interval 80-97%) at 6 months, 90% (77-96%) at 12 months, 85% (71-93%) at 24 months, 74% (56-86%) at 36 months. Survival without disease progression on fingolimod was 90% (95% CI 78-96%) at 6 months, 86% (72-93%) at 12 months, 78% (63-88%) at 24 months, 78% (63-88%) at 36 months. Conclusions: Although alternative DMTs may be used post-natalizumab, fingolimod remains an effective therapy with a high proportion of patients remaining free of relapses or progression at 3 years.
机译:背景:Natalizumab是一种有效的疾病修饰治疗(DMT),用于复发覆盖多发性硬化症(RRMS),然而,治疗的持续时间通常受到渐进式多灶性白细胞病风险(PML)的限制。我们描述了RRMS患者从Natalizumab切换到另一个DMT的RRMS患者在加拿大MS诊所。方法:我们对来自Dalhousie多发性硬化研究单位(DMSRU)的前瞻性收集数据进行了回顾性研究。我们鉴定了用Natalizumab治疗的所有RRMS患者> 3个月,患有血清JC病毒抗体阳性状态并切换到另一个DMT的治疗。结果:有84个个体,后者用57(68%)切换到Fingolimod的Natalizumab之后的另一个DMT。在佛罗里钒倒复破灭的生存率为6个月,90%(77-96%)在12个月内为92%(77-96%),24个月,85%(71-93%),74%( 36个月的56-86%)。没有疾病的生存在芬兰人的进展为90%(95%CI 78-96%),在6个月内,12个月内为86%(72-93%),24个月,78%(63-88%),78%(63 -88%)在36个月。结论:虽然替代DMTS可以使用后Natalizumab,但Fingolimod仍然是一种有效的疗法,高比例的患者在3年内保持不变或进展。

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