流行性感冒裂解疫苗安尔来福在婴幼儿及儿童中应用的安全性观察

目的 进一步考察流感裂解疫苗安尔来福在6个月至3岁内婴幼儿及3～11岁儿童中应用的安全性,发现新药临床试验中可能未发现的不良反应.方法 本试验采用开放式临床试验设计,受试者为6个月至3岁以内婴幼儿和3～11岁儿童各100名,婴幼儿组使用剂量为0.25 ml/支,免疫程序为0、28 d.儿童组使用剂量为0.5 ml/支,免疫程序为1针.接种后进行30 min即时反应观察,以及进行24、48、72 h随访观察,接种后第7天如受试者未主动报告任何不良事件,将结束随访观察.结果 接种疫苗后总体不良反应发生率为6.0%(12/200),其中局部不良反应发生率为1.0%(2/200),全身不良反应发生率为5.5%(10/200),幼儿组和儿童组不良反应发生率分别为8.0%(8/100)和4.0%(4/100),均为轻度和中度反应,未见严重不良反应发生.结论 流感裂解疫苗安尔来福在6个月至3岁以内婴幼儿及3～11岁儿童中应用安全性良好.

The clincal safety of the split influenza vaccine Anflu in infants and children

Objective To further evaluate the safety and observe for unknown adverse reactions in the prelicensure trials of Anflu(split influenza virus vaccine)in children aged 6 months to 3 years old and 3 to 11 years old respectively.Methods This open clinical trial enrolled 100 healthy children in each of the two groups:6 months to 3 years old group and 3 to 11 years old group.The 6 months to 3 years group were vaccinated with two pediatric doses(0.25 ml/dose),28 days apart.The 3 to 11 years group were vaccinated with one adult dose(0.5 ml/dose).All the subjects were observed for 30 min after vaccination and had 3 follow-up visits at 24,48,72 h after vaccination. All subjects with adverse reactions were followed up till the symptoms resolved.Results The total adverse reaction rate was 6.0%(12/200).The occurrence rates of local reaction and systemic reaction were 1.0%(2/200)and 5.5%(10/200)respectively.For the younger group and older group,the adverse reaction rates were 8.0%and 4.0%respectively.Conclusion This vaccineis safe in children aged 6 months to 11 years old.