在婴儿中结合的Haemophilus influenzae型b疫苗的可互换性
E L Anderson1, M D Decker, J A Englund
1Department of Medicine, Saint Louis (Mo) University School of Medicine.
JAMA
|March 15, 1995
概括
连续的Haemophilus influenzae b型 (Hib) 疫苗组合是安全和有效的. 在婴儿中,PRP-OMP和HbOC疫苗的连续施用显示出与单一产品方案相比的或更高的免疫原性.
科学领域:
- 儿童传染病 儿童传染病
- 疫苗学 疫苗学 疫苗学
- 免疫学 免疫学 免疫学
背景情况:
- 血性流感b型 (Hib) 联合疫苗对于预防侵入性Hib疾病至关重要.
- 现有两种主要合疫苗,即PRP-OMP和HbOC,使用不同的载体蛋白.
- 评估这些疫苗的序列组合对于优化婴儿免疫计划很重要.
研究的目的:
- 评估两种Hib结合疫苗:PRP-OMP和HbOC.的连续使用的安全性和免疫性.
- 为了比较连续组合与单一产品方案的免疫性.
- 为了评估15个月后未结合PRP的原始化效应.
主要方法:
- 一个随机的双盲临床试验,涉及497名健康的2个月大的婴儿.
- 进行了五种不同的Hib疫苗接种方案,包括PRP-OMP和HbOC的连续组合.
- 在初级系列和强剂后测量了抗体度;安全性被监测.
主要成果:
- 在第二次和第三次免疫接种后以及强剂接种后,在组之间观察到几何平均抗体度的显著差异.
- 连续组合的PRP-OMP和HbOC达到抗体度等于或大于单个产品组.
- 不同的疫苗接种组之间没有发现不良反应的显著差异.
结论:
- 连续使用Hib结合疫苗 (PRP-OMP和HbOC) 是安全的.
- 这些连续组合至少与使用单个疫苗产品一样具有免疫性.
- 这些发现支持在婴儿免疫计划中使用序列组合的灵活性.
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