J Allergy Clin Immunol Pract :Dupilumab治疗特应性皮炎时嗜酸性粒细胞计数变化是否影响疗效?

2022-07-09 医路坦克 MedSci原创

有研究在Dupilumab临床试验中观察到血液中嗜酸性粒细胞计数会有短暂增加,本文就相关临床试验进行了汇总分析。

我们在Dupilumab临床试验中观察到血液中嗜酸性粒细胞计数会有短暂增加,本文就相关临床试验进行了汇总分析。

目的评估11项Dupilumab临床试验中的嗜酸细胞计数和嗜酸细胞相关的治疗性不良事件(TEAEs),比较成年和青少年哮喘患者,以及患有慢性鼻炎伴鼻息肉(CRSWNP)、特应性皮炎(AD)和嗜酸细胞食管炎(EoE)的成年患者。

方法介绍嗜酸细胞计数、嗜酸细胞相关的TEAEs或治疗性嗜酸细胞增多(>1500个细胞/μL)的比率、停药情况、临床症状,以及治疗性嗜酸细胞增多的哮喘或CRSWNP患者的疗效。

结果Dupilumab治疗的哮喘(基线平均范围:349-370细胞/μL;第4周:515-578细胞/μL)、CRSWNP(基线:440-448细胞/μL;第16周:595细胞/μL)和AD(基线:434-600细胞/μL;第4周:410-710细胞/μL)患者的平均嗜酸细胞计数出现短暂性增加,随后在第24周开始下降到基线或以下。EoE患者(基线:310个细胞/μL;第4周:230个细胞/μL)未见增加。在所有研究中,接受Dupilumab治疗的患者中,嗜酸细胞增多的TEAEs比率为0%-13.6%。与嗜酸细胞增加相关的临床症状很少(7/4666名Dupilumab治疗的患者,包括6例嗜酸细胞肉芽肿伴多发性血管炎),并且只发生在哮喘或CRSwNP患者身上。嗜酸细胞增多症与Dupilumab疗效降低无关。

结论Dupilumab治疗时嗜酸性粒细胞计数的暂时性增加并不影响疗效,而且很少有临床后果。医生根据患者的病史和基线嗜酸粒细胞计数进行判断,并对嗜酸粒细胞过多的症状保持警惕,这一点仍然很重要。

文献来源:Wechsler ME,  Klion AD,  Paggiaro P,Effect of Dupilumab on Blood Eosinophil Counts in Patients With Asthma, Chronic Rhinosinusitis With Nasal Polyps, Atopic Dermatitis, or Eosinophilic Esophagitis.J Allergy Clin Immunol Pract 2022 May 27;

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    2022-09-03 snf701207
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    2022-07-06 zhyy88
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    2022-07-06 膀胱癌

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