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Antiviral Therapy: The Basics   |   13

                                   1. Antiviral Therapy: The Basics


                                   Simona Ruta, Costin Cernescu and Richard Sebastian Wanless
















                                    The hepatitis C epidemic is still growing in importance. While
                                   the incidence of hepatitis C virus (HCV) infections is falling in
                                   some countries, the burden of the disease arising from the pool
                                   of chronic infections continues to rise. It has been estimated
                                   that, by 2030, HCV will cause substantially higher morbidity and
                                   mortality than HIV. Chronic Hepatitis C (CHC) occurs in 70% to
                                   80% of those who contract the virus, 20% of whom will progress
                                   to cirrhosis within 2-3 decades; a quarter of these will develop
                                   decompensated liver disease, hepatocellular carcinoma (HCC)
                                   and will need liver transplantation. A recent study has shown
                                   that HCV infected persons have three times higher death rates
                                   than those of age-matched general population (Brok 2010).
                                   Excess mortality is due to both liver related causes and co-
                                   morbidities and is related to age, treatment status, the degree of
                                   fibrosis and mean alcohol consumption.

                                   Antiviral therapy – Standard of Care (SoC)
                                    According to all consensus guidelines (EASL 2011, NICE 2010,
                                   AASLD 2009), the current standard of care (SoC) for CHC is the
                                   combination of pegylated interferon alfa (PegIFN) and
                                   ribavirin (RBV) for 24-48 weeks, depending on the viral
                                   genotype.
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