Abstract:
BACKGROUND:There have only been a few prospective studies investigating risk factors associated with the development of hepatocellular carcinoma (HCC) among chronic hepatitis B patients all over the world, and no study has been conducted in Japanese population. METHODS:A population-based cohort consisting of 19393 subjects (middle aged or older) with over 13 years' follow-up was investigated in Japan. RESULTS:Of 19393 subjects, 479 had hepatitis B virus (HBV) mono-infection (2.5%). During the 245923 person-years' follow-up (average follow-up period 12.7 years), 13 cases of newly diagnosed HCC were documented in the HBV mono-infected group. Several factors at baseline (male, smoking, alanine aminotransferase, the positivity of HBe antigen and HB core-related antigen, the proportion of HBV DNA ≥ 5 log copies/mL, T1753V mutation, and A1762T/G1764A double mutation) were significantly associated with HCC among HBV mono-infected subjects. Multivariate-adjusted Cox hazard model showed that A1762T/G1764A (hazard ratio 7.05 [95% confidence interval (CI) 1.03-48.12, P = 0.046]) was the only independent risk factor for the development of HCC. Kaplan-Meier method also showed that the probability of HCC occurrence-free was significantly lower in HBV mono-infected subjects with A1762T/G1764A double mutation than those without these mutations. CONCLUSION:HBV mono-infected subjects with A1762T/G1764A double mutation could be at high risk of HCC development during the natural course of HBV infection.
journal_name
J Gastroenteroljournal_title
Journal of gastroenterologyauthors
Kusakabe A,Tanaka Y,Inoue M,Kurbanov F,Tatematsu K,Nojiri S,Joh T,Tsugane S,Mizokami Mdoi
10.1007/s00535-010-0307-4subject
Has Abstractpub_date
2011-01-01 00:00:00pages
117-24issue
1eissn
0944-1174issn
1435-5922journal_volume
46pub_type
杂志文章abstract:BACKGROUND:Polymorphisms in the gene for interleukin 1beta (IL-1B) have been found to increase the risks of gastric cancer and its precursors in response to Helicobacter pylori infection in white populations. however, there has been no independent confirmation of the role of IL-1B markers in gastric cancer patients fro...
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更新日期:1996-08-01 00:00:00
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pub_type: 临床试验,杂志文章
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doi:10.1007/s00535-009-0049-3
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