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Intern Med. 2007;46(7):409-14. Epub 2007 Apr 2.

Two cases of refractory Wegener's granulomatosis successfully treated with rituximab.

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1
Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan. tnaoto@med.juntendo.ac.jp <tnaoto@med.juntendo.ac.jp>

Abstract

Conventional therapy for Wegener's granulomatosis, steroid and cyclophosphamide, fails to control disease activity in some refractory patients and has treatment-related toxicity. B cell depletion therapy using rituximab, a chimeric anti-CD20 monoclonal antibody, has been shown to be effective for certain autoimmune diseases including antineutrophil cytoplasmic antibody (ANCA) -associated systemic vasculitis. We report two refractory cases of Wegener's granulomatosis: one with bronchial and pulmonary involvement and retroorbital granuloma, the other with retroorbital granuloma and hypertrophic pachymeningitis causing severe headache. Rituximab was effective in both cases, with diminished granuloma and reduced ANCA titers, allowing steroids to be tapered. No adverse effects were detected.

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