Editorial: Benefit of Direct-Acting Antiviral Therapy for Cryoglobulinemia due to Hepatitis C Infection

Extrahepatic consequences of hepatitis C infection are increasingly recognized as a source of additional morbidity distinct from the consequences of liver disease. Among the best characterized of these is mixed cryoglobulinemia, which can lead to a variety of disorders, including vasculitis and glomerulonephritis. In general, the results of antiviral therapy in the interferon era had been disappointing, but now with new all-oral regimens response rates are substantially better. However, even with successful clearance of the virus symptomatic response can lag.