Treating hepatitis C in African Americans

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Abstract
Background:The epidemiology, natural history and response to therapy of chronic hepatitis C differs significantly between African Americans and other ethnic populations. The reasons for these differences are not entirely clear but include mode of transmission, viral kinetics, immune responsiveness, and demographics.Objective:Review of the peer‐reviewed literature and expert opinion from 1990 to 2005 regarding features of hepatitis C virus (HCV) infection in African Americans, differences in presentation and response to therapy, and treatment recommendations.Results:The epidemiology of HCV infection in African Americans appears to be predominantly associated with socio‐economic status and high‐risk behaviors. However, disease course, response to treatment, and virologic outcome may be a function of race. African Americans may clear HCV less efficiently than other ethnic groups, although impaired immune responsivity may also lead to decreased necro‐inflammatory activity and progression to cirrhosis. Therapy‐naive African Americans have lower sustained virologic response rates to this treatment than other populations.Conclusions:Strategies to improve outcomes in African Americans include higher doses of current medications, medications with fewer adverse events, and new experimental molecular therapies.