Lancet Infect Dis:4次狂犬病疫苗方案的疗效及安全性研究

2019-09-28 MedSci MedSci原创

研究认为,在第28天接受第4次狂犬病疫苗注射后,免疫预防效果不会有额外增加,狂犬病预防可缩短为4次免疫方案

目前,狂犬病疫苗的接种方案普遍需要在1个月内接受4-5次接种,近日研究人员通过考察第4次接种后狂犬病病毒中和抗体滴度,以确定是否可缩短目前的治疗方案。

研究采用快速荧光焦点抑制试验测定了116名被犬类咬伤人群以及20名对照者的狂犬病病毒中和抗体滴度。参与者在第0、3、7和28天接种了疫苗,通过流式细胞术测定循环血浆细胞的百分比。

在最后一次注射前,所有个体28天均有≥0.5IU/ml的狂犬病病毒中和抗体滴度。狂犬病病毒阳性犬咬伤个体中位狂犬病病毒中和抗体浓度,第7天为1.08 IU/mL,第28天为26.86 IU/mL,第42天为26.74 IU/mL。第28与42天的差异不显著,免疫效果与马狂犬病免疫球蛋白的使用、年龄、性别、营养状况(如儿童的上臂围、成人的BMI或狗的感染状况等)无关。最后一次注射至2周后,滴度或纤溶细胞百分比没有增加。所有患者均在暴露预防1年后存活。

研究认为,在第28天接受第4次狂犬病疫苗注射后,免疫预防效果不会有额外增加,狂犬病预防可缩短为4次免疫方案。

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    2020-06-19 howi
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    2019-09-28 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

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