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实用低剂量口服免疫疗法用于带花生过敏的学龄前儿童:一个随机对照试验
Michael O'Sullivan1,2,3, Rachael Wallace1, Samantha Thomas1
1Immunology Department, Perth Children's Hospital, Nedlands, Western Australia, Australia.
概括
花生口服免疫疗法 (OIT) 在12个月后有效地使幼儿对花生蛋白不敏感,与避免相比,显著改善了他们的生活质量. 这项研究证明了OIT.
科学领域:
- 儿科过敏和免疫学
- 食物过敏研究 食物过敏研究
- 临床试验设计 临床试验设计
背景情况:
- 花生过敏是一种普遍且持久的儿童食物过敏.
- 花生口服免疫疗法 (OIT) 是一种有前途的治疗方法,但它在幼儿中使用父母测量剂量的疗效需要进一步研究.
- 很少有研究将花生OIT与这个年龄组的标准避免协议进行比较.
研究的目的:
- 评估1-4岁儿童实用花生OIT协议的有效性,安全性和耐受性.
- 为了比较基因测量OIT剂量与低维持剂量,以避免花生.
- 评估脱敏,不良事件,生活质量和免疫学标志物.
主要方法:
- 这是一项不盲目的随机对照试验,涉及54名1至4岁儿童.
- 参与者被分配到花生OIT (360毫克维持剂量) 或花生避免12个月.
- 主要结局是无敏化,定义为在治疗结束时接受≥600毫克花生蛋白的口服食品挑战中容忍≥600毫克花生蛋白.
主要成果:
- 74%的OIT参与者容忍了≥600毫克的花生蛋白,而避免组的比例为11%.
- 41%的OIT参与者通过了治疗结束的挑战,而避免组的这一比例为7%.
- 在OIT组,生活质量显著改善 (p=0.041).
结论:
- 花生OIT与父母测量剂量和360毫克的维持剂量有效诱导12个月后1-4岁儿童的脱敏.
- 在这个群体中,花生OIT提供了与避免相比更好的生活质量.
- 研究的花生OIT协议显示了可接受的安全性.
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