• Fred Poordad and Vandana Khungar.
• Department of Medicine, Cedars-Sinai Medical Center, 8635 W Third St, Ste 1060, Los Angeles, CA 90048, USA. fred.poordad@cshs.org
• Am J Manag Care. 2011 Mar 1; 17 Suppl 4: S123-30.

AbstractThe current standard of care for patients with chronic hepatitis C virus (HCV) infection is pegylated interferon alfa in combination with ribavirin. Treatment duration and efficacy depend heavily on HCV genotype. A sustained virologic response (SVR) is achieved only in approximately 40% of patients. Side effects of the current standard of care often make adherence to therapy difficult, further reducing the chance for an SVR. Numerous patient-related and virus-related factors can determine response to treatment. Nonresponders are a large proportion of the current HCV-infected population, and the number of patients with HCV infection is growing, necessitating newer therapies with higher efficacy and potentially fewer side effects. A new era of direct acting antiviral (DAA) compounds has emerged. The first 2 protease inhibitors for HCV infection, telaprevir and boceprevir, are coming to market in 2011. Other protease compounds in development include TMC-435, vaniprevir, BI-201335, BMS-650032, and danoprevir. The numerous other therapies that have potential in the treatment of HCV infection include nucleoside inhibitors, non-nucleoside inhibitors, NS5A inhibitors, DAA combinations, therapeutic vaccines, human monoclonal antibodies, immune modifiers, and interferon lambda.

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