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Mixed cryoglobulinaemia (MC) vasculitis is a relatively uncommon systemic vasculitis that may be primary or associated with hepatitis C virus (HCV). We have found MC and cryoglobulinaemic vasculitis in 420 (31%) and 65 (5%) of 1351 patients with HCV infection, respectively. Two recent randomised controlled trials have established the superiority of rituximab over conventional immunosuppressive treatment in patients with MC vasculitis1 ,2 while Saadoun et al3 have previously shown that dual antiviral treatment with interferon α and ribavirin had induced remission of HCV-associated MC vasculitis in 63% of 72 consecutive patients and sustained virological response in 58% of cases. In a study recently published in the Annals of the Rheumatic Diseases,4 the same authors suggested that triple antiviral treatment with peginterferon-α–ribavirin–protease inhibitor was highly …
Footnotes
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Contributors All authors contributed to follow-up of the patients and review of the manuscript.
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Competing interests None.
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Ethics approval Retrospective data in patients treated in real-life practice.
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Provenance and peer review Not commissioned; internally peer reviewed.