Late recovery of renal function by rituximab in a patient with Wegener’s granulomatosis

Background Rituximab has proven effective in the treatment of complicated granulomatosis with polyangiitis (Wegener’s, GPA). Two controlled trials in adults demonstrated beneficial effects of rituximab compared to cyclophosphamide in antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis to induce remission and to treat relapses. Pediatric experience with rituximab in GPA is limited; the impact on renal function is unknown.