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核苷(酸)类似物经治的慢性乙型肝炎患者低病毒血症的研究现状

鲁凤民 封波 郑素军 蒋素贞 杨瑞锋 福军亮 纪冬 党双锁 鲁晓擘 陈红松 陈新月 任红 高志良 南月敏 徐小元 牛俊奇 张文宏 庄辉

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核苷(酸)类似物经治的慢性乙型肝炎患者低病毒血症的研究现状

DOI: 10.3969/j.issn.1001-5256.2021.06.007
利益冲突声明:所有作者均声明不存在利益冲突。
作者贡献声明:鲁凤民、封波、郑素军、庄辉教授负责构思主要框架及修改文章关键内容;蒋素贞、杨瑞锋、纪冬、党双锁、鲁晓擘、陈红松、陈新月、任红、高志良、南月敏、徐小元、福军亮、牛俊奇、张文宏参与修改文章。
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    通信作者:

    庄辉,zhuangbmu@126.com

  • 中图分类号: R512.62

Current status of the research on low-level viremia in chronic hepatitis B patients receiving nucleos(t)ide analogues

  • 摘要: 临床上广泛使用的一线抗HBV药物核苷(酸)类似物(NAs)可有效地抑制HBV DNA复制,显著减缓慢性乙型肝炎(CHB)患者的疾病进展,减少包括肝衰竭和肝癌在内的终末期肝病的发生。然而,临床上有一部分CHB患者在接受一线NAs治疗48周或更长时间后,其血清HBV DNA仍持续或间歇性地高于灵敏核酸试剂的检测下限。本文作者经讨论对低病毒血症(LLV)形成如下定义:持续性LLV,指对接受恩替卡韦、富马酸替诺福韦酯或富马酸丙酚替诺福韦治疗48周及以上的CHB患者,用灵敏的定量PCR方法至少连续检测2次,每次间隔3~6个月,HBV DNA均阳性,但<2000 IU/ml;间歇性LLV是指用灵敏的qPCR法至少连续检测3次,每次间隔3~6个月,HBV DNA为间歇性阳性,但<2000 IU/ml。诊断LLV应注意排除患者存在用药依从性和耐药突变的问题。LLV可能与NAs治疗下肝纤维化进展及肝硬化患者肝细胞癌风险增加有关,但目前对LLV发生后原治疗方案是否需要调整仍存在争议。综述了NAs治疗下LLV的发生率及其对临床预后的影响,并分析了LLV发生的可能机制,以期为今后NAs经治LLV患者的管理提供参考。

     

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