Are there patients with granulomatosis with polyangiitis on maintenance rituximab therapy for whom you do not co-administer glucocorticoid therapy?  

I think this is a great question. @Peter A. Merkel et al (NCT01933724) have conducted a study to answer that question (conveniently called TAPIR). In their analysis that was presented 1 week ago at the International Vasculitis Workshop, they found that patients on low-dose prednisone along with othe...