NEJM:美泊利单抗治疗嗜酸性粒细胞表型慢性阻塞性肺病

2017-10-26 zhangfan MedSci原创

研究认为,对于嗜酸性粒细胞表型慢性阻塞性肺病患者,100mg的美泊利单抗可以降低患者中重度COPD恶化率,同时研究证实嗜酸粒细胞气管炎症可导致COPD恶化

嗜酸性粒细胞表型慢性阻塞性肺患者(COPD)可能从白介素-5单抗美泊利单抗的治疗中获益。

在近期的2项III期临床研究中,研究人员考察了美泊利单抗(METREX以及 METREO研究,剂量为100mg和100或300mg)对糖皮质激素吸入三重维持治疗的中重度慢性阻塞性肺患者的疗效。研究的主要终点是中重度COPD年恶化率。

METREX研究中,美泊利单抗组患者中重度COPD年恶化率为1.40,安慰剂组为1.71 (rr,0.82;95% CI,0.68-0.9),836名患者的治疗意向人群分析后组间差异性降低(rr,0.98;95% CI,0.85-1.12)。METREO研究中,100mg美泊利单抗组年中重度COPD恶化率为1.19,300mg组为1.27,安慰剂组为1.49。相比于安慰剂,100mg组和300mg组症状急性加重率比率分别为0.80和0.86。治疗耐受性良好,美泊利单抗治疗最常见的不良事件为血嗜酸细胞计数增高。

研究认为,对于嗜酸性粒细胞表型慢性阻塞性肺病患者,100mg的美泊利单抗可以降低患者中重度COPD恶化率,同时研究证实嗜酸粒细胞气管炎症可导致COPD恶化。

最近浙江大学沈华浩教授在NEJM上,使用美泊利单抗治疗嗜酸性粒细胞性慢性阻塞性肺疾病(COPD)患者的恶化发生率低于安慰剂组。该试验招募了患有COPD诊断为嗜酸性粒细胞表型的患者,因此这些患者的一部分可能表征为患有哮喘 - COPD重叠综合征(ACOS)。临床特征包括持续气流受限,吸烟史,血液嗜酸性粒细胞计数升高,大剂量糖皮质激素治疗的使用以及频繁恶化,符合全球哮喘倡议(ACQ)的标准(http://ginasthma.org) 。此外,mepolizumab在COPD患者中的治疗效果与嗜酸性粒细胞计数相关。先前的研究已经表明,mepolizumab可减轻COPD患者中严重嗜酸细胞性哮喘的风险。这些发现提示ACOS患者可以从抗白细胞介素5治疗中受益。

原始出处:

Ian D. Pavord et al. Mepolizumab for Eosinophilic Chronic Obstructive Pulmonary Disease. N Engl J Med. October 26, 2017.

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    2017-12-02 amy0559
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    2018-07-10 tomyang96
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    2017-10-27 tastas
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    2017-10-26 明天会更好!

    谢谢分享谢谢分享

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