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在EAT,LEAP和PAS队列中早期花生过敏发展和解决的动力学

Ru-Xin Foong¹, Henry T Bahnson², George Du Toit¹

¹Department of Women and Children's Health (Paediatric Allergy), School of Life Course Sciences, Faculty of Life Sciences and Medicine, King's College London, London, United Kingdom; Children's Allergy Service, Evelina London Children's Hospital, Guy's and St Thomas' Hospital, London, United Kingdom.

The Journal of allergy and clinical immunology

|July 3, 2025

概括

许多患有花生过敏 (PA) 的儿童在幼儿时代看到他们的病情得到解决. 在花生过敏表型中,生物标志物轨迹不同,为自然历史提供了洞察力.

科学领域:

免疫学免疫学免疫学
儿科过敏儿科过敏
临床研究临床研究

背景情况:

早期儿童花生过敏 (PA) 的自然史和解决模式尚不清楚.
关于PA的发展和缓解的纵向数据有限.

研究的目的:

研究自然史,并确定与PA的发展和解决相关的生物标志物.
在三个不同的儿科队列中分析PA进展和缓解.

主要方法:

检查了关于耐受性的询问 (EAT),关于花生早期学习 (LEAP) 和花生过敏敏感化 (PAS) 队列中的PA发展和结果.
通过特定标准定义早期的PA,并在研究终点通过口服食品挑战确认PA状态.
在四个定义的组中比较了临床特征和生物标志物 (皮肤刺伤测试,花生特异性IgE,组件解决的诊断) 在四个定义的组中:持续的早期PA,解决的早期PA,晚发的PA,从未过敏.

主要成果:

超过一半的花生过敏儿童 (56.3%) 在12个月内发展了PA,很大一部分 (32.1%) 在研究结束时经历了早期解决.
早期PA解决率在各队伍之间有所不同 (EAT: 54.2%, LEAP: 41.4%, PAS: 18.6%).
生物标志物分析揭示了不同的轨迹:持久性PA显示出较高的基线和终点花生特异性IgE (sIgE) 和皮肤刺伤测试 (SPT) 与已解决的PA相比.晚发性PA表现出较慢的过敏原成分敏感性. 诸如缺少湿疹,没有蛋过敏等因素,以及基线低的sIgE/SPT预测分辨率.

结论:

很大一部分儿童早期的花生过敏会自发解决.
不同的花生过敏表型的特点是独特的生物标志物动态,有助于理解疾病进展和预测结果.

关键词:

时间 h 2 2 时间对于花生过敏的过敏持续性持久性患病率的流行情况.解决方案的解决方案解决方案的解决方案.皮肤刺伤测试皮肤刺伤测试特定-IgE 的情况.

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