慢性乙型肝炎患者持续应用恩替卡韦治疗3年的疗效

被引:42
作者
姚光弼 [1 ]
任红 [2 ]
徐道振 [3 ]
周霞秋 [4 ]
贾继东 [5 ]
王宇明 [6 ]
陈成伟 [7 ]
机构
[1] 上海市静安区中心医院胃肠肝脏病科临床免疫研究中心
[2] 重庆医科大学附属第二医院感染病科
[3] 北京大学附属北京地坛医院传染病科
[4] 上海交通大学医学院附属瑞金医院传染病科
[5] 首都医科大学北京友谊医院肝病研究中心
[6] 第三军医大学附属西南医院传染病科
[7] 南京军区中国人民解放军第八五医院上海肝病研究中心
关键词
肝炎病毒,乙型; 肝炎,乙型,慢性; 恩替卡韦;
D O I
暂无
中图分类号
R512.62 [];
学科分类号
摘要
目的研究恩替卡韦(ETV)治疗慢性乙型肝炎初治患者3年的病毒学、血清学和生物化学的应答情况,以评价其疗效。方法本研究分两个阶段:第一阶段为ETV和拉米夫定(LAM)的双盲随机对照试验,各有258例和261例入选,分别用ETV 0.5 mg/d或LAM 100mg/d口服,共96周。第二阶段:经96周治疗,患者如未达到综合应答(bDNA<0.7 mEq/ml,HBeAg阴转持续24周以上,ALT<1.25×正常值上限)者,或出现病毒学突破或停药后复发者,继续服用ETV1.0mg/d 48周。共有160例患者完成了连续3年的ETV治疗。持续变量的比较采用了基于线性回归模型的t检验。结果第一阶段结束时(96周),ETV和LAM治疗组患者的HBV DNA阴转率(HBV DNA<300拷贝/ml)、ALT复常率和HBeAg血清转换率分别为:79%对比46%(P<0.01),96%对比92%(P=0.06)和21%对比23%。第二阶段:160例持续ETV治疗3年,第144周时,HBV DNA阴性(<300拷贝/ml)的比例为89%,ALT复常率86%,3年的累计HBeAg血清转换率为27%。耐药性:3例在96周时出现了基因型耐药,另有2例在第96~144周时出现了基因型耐药。ETV的耐受性良好,不良反应与LAM相似,但ETV组较少出现ALT反弹。结论3年的临床试验表明ETV是强效的抗HBV药物,其抑制HBV复制和低耐药性明显优于LAM。
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