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  • Title: Hepatitis B core-related antigen levels are associated with response to entecavir and peginterferon add-on therapy in hepatitis B e antigen-positive chronic hepatitis B patients.
    Author: van Campenhout MJ, Brouwer WP, van Oord GW, Xie Q, Zhang Q, Zhang N, Guo S, Tabak F, Streinu-Cercel A, Wang J, Pas SD, Sonneveld MJ, de Knegt RJ, Boonstra A, Hansen BE, Janssen HL.
    Journal: Clin Microbiol Infect; 2016 Jun; 22(6):571.e5-9. PubMed ID: 26898481.
    Abstract:
    Hepatitis B core-related antigen (HBcrAg), a new serum marker, may be useful in monitoring chronic hepatitis B infection. HBcrAg was measured in 175 hepatitis B e antigen-positive patients treated with entecavir (ETV) with or without peginterferon (PEG-IFN) add-on therapy. Decline in HBcrAg was stronger in patients with vs. without combined response (ETV: -3.22 vs. -1.71 log U/mL, p <0.001; PEG-IFN add-on: -3.16 vs. -1.83 IU/mL, p <0.001) and in patients with vs. without hepatitis B surface antigen (HBsAg) response (ETV: -2.60 vs. -1.74 log U/mL, p <0.001; PEG-IFN add-on: -2.38 vs. -2.15 log U/mL, p = 0.31). HBcrAg was associated with combined response (adjusted odds ratio 0.3, 95% confidence interval 0.2-0.5, p <0.001), but was not superior to quantitative HBsAg (qHBsAg).
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