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World J Gastroenterol. 2006 Nov 7;12(41):6620-6.

Precore/basal core promoter mutants and hepatitis B viral DNA levels as predictors for liver deaths and hepatocellular carcinoma.

Author information

  • 1Liver Center, Huntington Medical Research Institutes, 660 South Fair Oaks Avenue, Pasadena, California 91105, United States. myrontong@hmri.org

Abstract

AIM:

To conduct a retrospective study in 400 chronic hepatitis B patients in order to identify hepatitis B viral factors associated with complications of liver disease or development of hepatocellular carcinoma.

METHODS:

The mean follow-up time was 83.6+/-39.6 mo. Alpha-fetoprotein test and abdominal ultrasound were used for cancer surveillance. Hepatitis B basal core promoter mutants, precore mutants, genotypes, hepatitis B viral DNA (HBV DNA) level and hepatitis B e antigen (HBeAg) were measured. Univariate analysis and logistic regression were used to assess odds ratios for viral factors related to liver deaths and hepatocellular carcinoma development.

RESULTS:

During follow-up, 38 patients had liver deaths not related to hepatocellular carcinoma. On multivariate analysis, older age [odds ratio: 95.74 (12.13-891.31); P<0.0001], male sex [odds ratio: 7.61 (2.20-47.95); P=0.006], and higher log10 HBV DNA [odds ratio: 4.69 (1.16-20.43); P<0.0001] were independently predictive for these liver related deaths. Also, 31 patients developed hepatocellular carcinoma. Multivariate analysis showed that older age [odds ratio: 26.51 (2.36-381.47); P=0.007], presence of precore mutants [odds ratio: 4.23 (1.53-19.58); P=0.02] and presence of basal core promoter mutants [odds ratio: 2.93 (1.24-7.57); P=0.02] were independent predictors for progression to hepatocellular carcinoma.

CONCLUSION:

Our results show that high levels of baseline serum HBV DNA are associated with non-hepatocellular carcinoma-related deaths of liver failure, while genetic mutations in the basal core promoter and precore regions are predictive for development of hepatocellular carcinoma.

PMID:
17075974
[PubMed - indexed for MEDLINE]
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