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Digestion. 2011;84 Suppl 1:1-4. doi: 10.1159/000333207. Epub 2011 Dec 2.

Tailor-made therapy for viral hepatitis: recent advances.

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Department of Gastroenterology and Hepatology, Kinki University School of Medicine, Osaka-Sayama, Japan.


Combination therapy of pegylated interferon-α with ribavirin (PEG-IFN/RBV) is a standard of care for chronic hepatitis C (CHC). The majority of CHC patients are infected with HCV genotype I. The recent discovery revealed by a genome-wide association study technology provides the important role of interleukin-28B (IL28B) and inosine triphosphatase (ITPA) in HCV infection. In addition, response to PEG-IFN/RBV therapy is correlated with insulin resistance, hepatic steatosis, and hepatic fibrosis in CHC patients. Double-filtration plasmapheresis together with IFN therapy has proved to be effective in the reduction of viral load during the early stage of treatment. In CHC patients, not only IL28B status, but also the treatment period of PEG-IFN/RBV is important. Even when new polymerase/protease inhibitors are introduced in the treatment of CHC, tailor-made treatment for CHC using IL28B, inosine triphosphatase testing or double-filtration plasmapheresis treatment prolonged treatment strategy is highly recommended. The relative etiologic role of prior hepatitis B virus infection in the development of non-B non-C hepatocellular carcinoma is also known in hepatitis B-endemic areas.

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