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Relationship between HBsAg, HBcrAg and hepatocellular carcinoma in patients with undetectable HBV DNA under nucleos(t)ide therapy
Authors
Cheung, KS
Seto, WKW
Wong, DKH
Lai, CL
Yuen, RMF
Issue Date 2017
Citation
J Viral Hepat, 2017 How to Cite?
DOI: http://dx.doi.org/10.1111/jvh.12688
Abstract We examined the relationship between hepatitis B surface and core-related antigens (HBsAg, HBcrAg) and hepatocellular carcinoma (HCC) development in patients with undetectable serum HBV DNA receiving nucleos(t)ide analogue (NA). Seventy-six HBV carriers with undetectable HBV DNA (<20 IU/mL) who subsequently developed HCC were compared with 152 matched controls. Clinical and laboratory parameters (including novel assays to measure linearized HBsAg [HQ-HBsAg] and HBcrAg) were analysed. There were no significant differences in HBsAg/HQ-HBsAg levels between the two groups. There was a significant difference in the median values of both pre- and post-NA HBcrAg levels between the HCC and control groups (pre-treatment: 279.0 vs 35.4 kU/mL, P=.005; post-treatment: 10.2 vs 1.7 kU/mL, P=.005, respectively). For the whole HCC group, a cut-off value of post-treatment HBcrAg level >/=7.8 kU/mL yielded an area under receiver operating curve (AUROC) of 0.61 with a negative predictive value (NPV) of 77.0%. The OR of HCC development was 3.27. For noncirrhotic patients, the median values of post-treatment HBcrAg level of HCC group and controls were 10.2 and 1.0 kU/mL, respectively (P=.001). A cut-off value of HBcrAg level >/=7.9 kU/mL yielded an AUROC of 0.70 with a NPV of 80.6%. The OR of HCC development was 5.95. A higher pre- and post-NA treatment HBcrAg level (but not HBsAg) was associated with an increased risk of HCC development in patients achieving undetectable serum HBV DNA while on NA therapy. HBcrAg may serve as a novel risk marker for HCC in this group of patients.
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发表于 2017-5-8 18:25