毒免疫疗法:一个双盲,安慰剂控制,交叉试验
Simon G A Brown1, Michael D Wiese, Konrad E Blackman
1Department of Emergency Medicine, Royal Hobart Hospital, Hobart, Tasmania, Australia. simon.brown@utas.edu.au
Lancet (London, England)
|March 28, 2003
概括
毒免疫疗法 (VIT) 有效地预防了成年人的危及生命的过敏反应. 这种治疗显著减少了故意刺痛挑战后的严重反应,提供了一个重要的保护措施.
科学领域:
- 免疫学 免疫学 免疫学
- 过敏和免疫学 过敏和免疫学
- 临床医学 临床医学
背景情况:
- 跳 (Myrmecia pilosula) 是澳大利亚毒过敏的主要原因.
- 刺引起的过敏反应在受影响地区构成了严重的公共卫生问题.
研究的目的:
- 评估Myrmecia pilosula毒液免疫疗法 (VIT) 在预防严重刺痛过敏症的疗效.
- 评估VIT在其他健康的成年人中对M. pilosula毒液过敏的安全性和有效性.
主要方法:
- 进行了一项双盲,安慰剂控制的交叉试验.
- 参与者接受了M. pilosula VIT或安慰剂,遵循标准化的脱敏疗法.
- 主要结局是经过受控刺痛挑战后系统反应的发生率.
主要成果:
- 在接受VIT的23名参与者中,没有人对刺痛挑战有严重的全身反应,相比之下,安慰剂组的72% (21/29) (p<0.0001).
- 在VIT期间,系统反应发生在34% (22/64) 的参与者身上,其中有两例低血压.
- 在交叉之后,VIT组对刺痛挑战的反应率 (1/26) 很低.
结论:
- 在激励的,高度过敏的成年人中,Myrmecia pilosula毒液免疫疗法在预防过敏症方面非常有效.
- 由于潜在的全身反应,VIT应在严格的医疗监督下进行,并立即进入复苏设施.
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