期刊
JOURNAL OF VIRAL HEPATITIS
卷 21, 期 8, 页码 590-596出版社
WILEY
DOI: 10.1111/jvh.12200
关键词
chronic hepatitis B; entecavir; routine clinical practice; treatment; virological relapse
Registration studies show entecavir (ETV) to be effective and safe in NUC-naive patients with chronic hepatitis B, but relapse rates after treatment discontinuation have not been well established. Relapse rates and predictors of relapse were evaluated in naive HBeAg-positive and HBeAg-negative patients treated with ETV. Treatment duration was defined according to international guidelines. Virological relapse was defined as reappearance in serum of hepatitis B virus (HBV) DNA to >2000 IU/mL after discontinuation of treatment. A hundred and sixty-nine consecutive patients were treated for a median 181 weeks. 61% were HBeAg positive, 23% had cirrhosis, and mean HBV DNA level was 6.88 +/- 1.74 log(10) IU/mL. Ninety-two per cent became HBV DNA negative; 71% of HBeAg+ve patients became HBeAg negative and 68% anti-HBe positive; 14% became HBsAg negative and 13% anti-HBs positive. At the end of the study, 36 patients discontinued treatment: one due to breakthrough associated with resistant variants and 35 (20%) due to sustained virological response; 33 of these patients developed HBeAg seroconversion and 18 HBsAg seroconversion. Median off-treatment time was 69 weeks. Nine patients (26%), all HBeAg positive at baseline, developed virological relapse after a median 48 weeks off-treatment, 3 of them showed HBeAg reversion and 4 lost anti-HBe. No patient with HBsAg seroconversion relapsed. HBeAg clearance after week 48 of treatment was associated with an increase risk of relapse. After ETV discontinuation, HBsAg seroconversion was maintained in 100% of the patients, HBeAg seroconversion maintained in 90%, and virological relapse rate was 24%.
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