Cryoglobulinemia vasculitis: how to handle

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Purpose of reviewMore than 50% of hepatitis C virus (HCV) infected patients produce a mixed cryoglobulin and two-third of them will develop a symptomatic cryoglobulinemia vasculitis (CryoVas). In the present review, we aim at summarizing the most recent advances in diagnosis and treatment of HCV-CryoVas.Recent findingsThe treatment of HCV-CryoVas has much changed during the last months. The recent emergence of new direct-acting (DAA) interferon (IFN)-free antivirals, enabling high cure rates with a very good safety profile now permit to cure most patients with HCV-CryoVas. Multidisciplinary consensus recommends to consider IFN-free DAAs as first-line treatment for HCV-CryoVas patients. Immunosuppressive treatments (i.e. rituximab, glucocorticosteroids, cyclophosphamide and plasmapheresis) remain an interesting therapeutic approach, in severe form of HCV-CryoVas, failure or contradiction to antiviral treatments.SummaryThe great efficacy of DAA on HCV-CryoVas represents a major advance in clinical practice, as these new antivirals provide for the first time a well tolerated and definite treatment of such complication for most patients.

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