J Viral Hepat:肝炎暴发的患者,在抗病毒治疗早期HBsAg快速下降且下降幅度较大

2017-12-05 MedSci MedSci原创

在entecavir或tenofovir治疗过程中,"治疗ALT升高",特别是增高> 5X ULN,可以增强/加速HBsAg下降,这提示免疫恢复对有效病毒抑制的作用。

治疗前丙氨酸氨基转移酶(ALT)水平较低的慢性乙型肝炎患者在核苷酸类似物治疗过程中,其表面抗原水平(HBsAg)通常下降缓慢且下降水平较低。本研究的目的是调查为何会有10%的患者出现HBsAg快速下降(6个月的治疗,HBsAg下降≥0.5 log10 IU/mL)。

本研究纳入ALT<5倍正常值上限,且在基线和恩替卡韦或替诺福韦治疗6个月,12个月时都有HBsAg定量数据的患者。

256例治疗的患者,51例患者发生瞬态"治疗ALT升高"[A组],其中有30例(11.7%)患者,发生ALT升高,ALT水平处于2-5倍正常值上限[A-1组],21例(8.2%)患者ALT升高超过5倍正常值上限[A-2组]。

相比未发生"治疗ALT升高"的205例患者(B组),治疗6个月后,HBsAg下降的级别及"快速HBsAg下降"的速度在A组显著增大(-0.042 vs -0.446 log10 IU/mL; 45.1 vs 8.8% , P=0.000),特别是在肝炎爆发的A-2组,HBsAg下降的级别更高及"快速HBsAg下降"的幅度更大(group A-2: -0.559 log10 IU/mL和 57.1%)。治疗2年以上的患者,"治疗ALT升高"的患者每年HBsAg下降幅度更大,更频繁到<100 IU/ mL, 有高于4倍的HBsAg血清学清除率。

在entecavir或tenofovir治疗过程中,"治疗ALT升高",特别是增高> 5X ULN,可以增强/加速HBsAg下降,这提示免疫恢复对有效病毒抑制的作用。

原始出处

Jeng WJ, Chen YC, Liaw YF, et al. Great and rapid HBsAg decline in patients with on-treatment hepatitis flare in early phase of potent antiviral therapy. J Viral Hepat, 2017, Nov 28. doi: 10.1111/jvh.12833.

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    2017-12-07 yahu
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    2017-12-07 gwc384

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