用mepolizumab治疗多炎带有eosinophilic granulomatosis的分级治疗:一个现实生活的单中心研究
Luca Moroni1,2, Batani Veronica1,2,3, Gabriele D Gallina1
1Unit of Immunology, Rheumatology, Allergy and Rare Diseases, IRCCS San Raffaele Hospital, Milan, Italy.
Rheumatology (Oxford, England)
|April 13, 2025
概括
逐步降低梅波利祖马布治疗 (100 mg/4周) 有效地维持了患有多炎 (EGPA) 患者的异性粒状炎的缓解,减少了类固醇的使用. 然而,一些患者经历了鼻症状的复发,表明需要个性化治疗策略.
科学领域:
- 免疫学 免疫学 免疫学
- 类风湿病学 类风湿病学
- 肺部病理学 肺部病理学
背景情况:
- 带有多胞膜炎的埃索诺菲尔粒状瘤 (EGPA) 是一种罕见的自身免疫性疾病,其特征是带有埃索诺菲尔透和血管炎.
- 抗IL-5生物药物梅波利祖马布在治疗EGPA方面是有效的,但对于长期维持的最佳剂量策略仍在研究中.
- 减少全身葡萄皮质激素 (GC) 负担是管理慢性炎症疾病 (如EGPA) 的关键目标.
研究的目的:
- 在EGPA患者中逐步降低mepolizumab剂量方案 (100 mg/4周) 的疗效和安全性,这些患者实现了缓解.
- 评估降低梅波利祖马布剂量对疾病活性,GC要求和症状复发在现实环境中的影响.
- 为了确定治疗成功或失败的潜在预测因素,在逐步降低治疗期间.
主要方法:
- 对45名接受梅波利祖马布治疗的EGPA患者 (300毫克/4周) 的回顾性分析,在实现缓解后,他们转向更低剂量 (100毫克/4周).
- 缓解是由伯明翰血管炎活动评分 (BVAS) 的0,喘控制测试 (ACT) >20和至少一年的无类固醇状态来定义的.
- 在整个研究期间,监测了疾病活性,乙氨基酸计数和GC使用.
主要成果:
- 45名患者中有12名 (27%) 在平均26.5个月后成功过渡到100毫克/4周的梅波利祖马布剂量.
- 在逐步降低后的27.5个月的中位数随访期间,50%的患者在不进行GC治疗的情况下保持了完全缓解.
- 在50%的患者中观察到鼻腔症状的复发,通过剂量升级或局部治疗优化来控制. 没有出现喘或血管炎发作.
结论:
- 以100毫克/4周的梅波利祖马布逐步降低治疗似乎有效地维持全身缓解并减少对EGPA的GC依赖性.
- 鼻症状的复发凸显了需要个性化治疗方法和在剂量降低期间仔细监测的需要.
- 需要对更大的队列进行进一步的前性研究,以验证这些发现,并完善EGPA管理的最佳长期梅波利祖马布剂量策略.
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