Abstract
目的评估艾曲泊帕治疗儿童原发免疫性血小板减少症(ITP)的疗效和不良反应。方法回顾性分析2015年5月至2019年3月接受艾曲泊帕治疗的23例儿童ITP患者临床资料。结果23例患者中,男11例,女12例,中位年龄11(2~17)岁。新诊断ITP 4例(17.39%),持续性ITP 8例(34.78%),慢性ITP 11例(47.83%)。艾曲泊帕中位起始剂量为25.0(12.5~50.0)mg/d。基线中位血小板计数为14(2~82)×109/L,治疗后第2周(23例)、第4周(23例)、第3个月(16例)、第6个月(11例)的中位血小板计数分别为40(4~170)×109/L、20(4~130)×109/L、60(4~110)×109/L、70(18~160)×109/L,均高于基线水平(z=-3.440,P=0.001;z=-1.964,P=0.049;z=-4.339,P<0.001;z=-5.794,P<0.001)。7例(30.43%)患者的起效时间≤7 d,10例(43.48%)患者的起效时间≤2周,总有效率为60.87%(14/23)。<6岁(6例)、6~12岁(10例)、13~17岁(7例)组的总有效率分别为33.33%(2/6)、60.00%(6/10)、85.71%(6/7),组间比较差异均无统计学意义(P>0.05)。23例患者基线WHO出血评分0、1、2级分别有4、12、7例,治疗后分别为13、7、3例,出血症状得到明显改善(χ2=7.558,P=0.006)。治疗过程中发生转氨酶、胆红素增高各4例,轻度恶心、呕吐及头晕各1例,对治疗均未造成影响。结论艾曲泊帕作为二线用药治疗儿童ITP疗效及耐受性均较好。
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