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- Title
Natural history of chronic hepatitis B: what exactly has REVEAL Revealed?
- Authors
Iloeje, Uchenna H; Yang, Hwai-I; Chen, Chien-Jen
- Abstract
Chronic hepatitis B virus ( HBV) infection is a serious public health problem because of its worldwide prevalence and potential to cause adverse consequences. The Risk Evaluation of Viral Load Elevation and Associated Liver Disease/Cancer-Hepatitis B Virus ( REVEAL- HBV) study carried out in Taiwan was used to investigate the natural history of chronic hepatitis B. The REVEAL- HBV study has established an HBV viral load paradigm in the natural history of chronic hepatitis B ( CHB). Serum HBV DNA level has been shown to be significantly and independently associated with incidence of hepatocellular carcinoma ( HCC) and cirrhosis and liver-related mortality across a biological gradient. It is also a major predictor of HBsAg seroclearance. Genetic features including HBV genotype and basal core promoter A1762 T/ G1764 A mutant, and precore G1896 A mutant were documented as predictors of HCC risk. Inactive HBV carriers still had an increased risk on HCC development and liver-related mortality compared with HBsAg -seronegatives. Nomograms focusing on facilitating risk communication between patients and clinicians were developed incorporating non-invasive clinical parameters to predict long-term HCC risk. These will hopefully contribute to evidence-based decisions in the clinical management of CHB patients. A somewhat provocative and novel finding from the REVEAL- HBV study is the association of chronic HBV infection in active replication with an increased pancreatic cancer risk especially in women less than 50 years old. This finding will hopefully spur further research in this area seeking confirmatory evidence. Finally, we hope that the REVEAL- HBV study will continue to be a source of data to answer other important questions in chronic hepatitis B research going forward.
- Subjects
TAIWAN; CHRONIC hepatitis B; HISTORY of diseases; DISEASE prevalence; ADVERSE health care events; PUBLIC health; LIVER cancer
- Publication
Liver International, 2012, Vol 32, Issue 9, p1333
- ISSN
1478-3223
- Publication type
Article
- DOI
10.1111/j.1478-3231.2012.02805.x