Hepatology:HBsAg血清学清除的发生率和预测因素!

2017-11-15 MedSci MedSci原创

在核苷(酸)类似物(Nuc)治疗期间,乙型肝炎表面抗原(HBsAg)丧失较为罕见。目前,仅有有限的数据表明,停止Nuc治疗可能会增加乙型肝炎e抗原(HBeAg)阴性患者的HBsAg的消失率。近期,一项发表在杂志Hepatology上的研究详细地调查这个问题。在Nuc治疗156(61-430)周的1075例HBeAg阴性患者中,6例在治疗过程中出现HBsAg血清学清除,估计年发生率为0.15%。在H

在核苷(酸)类似物(Nuc)治疗期间,乙型肝炎表面抗原(HBsAg)丧失较为罕见。目前,仅有有限的数据表明,停止Nuc治疗可能会增加乙型肝炎e抗原(HBeAg)阴性患者的HBsAg的消失率。


近期,一项发表在杂志Hepatology上的研究详细地调查这个问题。

在Nuc治疗156(61-430)周的1075例HBeAg阴性患者中,6例在治疗过程中出现HBsAg血清学清除,估计年发生率为0.15%。在HBsAg血清阳性的患者中,691例(52.3岁,86%男性,44.6%肝硬化)停止了Nuc治疗,随后进行了前瞻性随访。

同时,比较了在治疗结束(EOT)后血清清除了HBsAg和血清未清除HBsAg患者的基线和治疗的临床以及病毒特征、治疗时间、巩固时间、检测不到的HBV DNA的时间、ALT正常的时间、治疗结束时间(EOT)。

在155(2-614)周的中位治疗后随访期间,42例患者确诊为HBsAg血清学清除。6年累计发病率为13%,预计年发病率为1.78%。Cox回归分析显示,HBV DNA检测不到的时间较短(<12wks),治疗期间HBsAg降低较多(> 1 log10),EOT HBsAg水平较低(<100 IU/mL),持续应答和复发而未恢复的患者是不再进行治疗的HBsAg血清学清除的因素。

此项研究结果表明:停用Nuc后,HBsAg血清学清除的发生率远远高于治疗期间,且无病毒学和临床复发的患者中HBsAg血清清除率最高。未经治疗的临床复发患者HBsAg清除发生率比接受再治疗的患者高7.34倍,这也提示短暂的未经治疗的临床复发可能导致足够的免疫控制从而达到功能的治愈。

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    2017-11-17 gwc384
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