10. Null or partial response to previous therapies for MC, including corticosteroids, cytotoxic agents (cyclophosphamide, azathioprine), hydroxychloroquine, methotrexate, mono- or combination therapy with IFNα/PEG-IFN and ribavirin, and/or CD20 depletion with Rituximab. a. Patients can be on ongoing treatment with one of the drugs described above at inclusion unless there is significant DDI.