Treatment strategies and outcome of induction-refractory Wegener's granulomatosis or microscopic polyangiitis: analysis of 32 patients with first-line induction-refractory disease in the WEGENT trial

Annals of the Rheumatic Diseases
Raphaèle SerorFrench Vasculitis Study Group

Abstract

To study the efficacy of rescue treatment strategies and outcomes in patients with Wegener's granulomatosis (WG) and microscopic polyangiitis (MPA) not achieving remission with first-line induction with corticosteroids (CS) and intravenous cyclophosphamide (CYC). 159 eligible patients in the Wegener's Granulomatosis-Entretien (WEGENT) trial newly diagnosed with systemic or renal WG or MPA with ≥ 1 poor prognosis factors were included in this prospective study. Rescue treatment strategies and outcomes in patients with induction-refractory disease were analysed and patient characteristics at diagnosis were compared with those of induction-responders. Most patients (n=126, 79.2%) achieved remission; 1 stopped induction because of allergy and 32 were induction-refractory (24 WG and 8 MPA); 11 died rapidly within a median of 2.5 months, 6 of uncontrolled disease, 1 of an infectious complication and 4 of both. Treatment was discontinued in 1 patient with MPA with end-stage renal disease. Induction was switched to oral CYC in 20 patients, combined with infliximab in 1; 15 (75%) achieved remission or low disease activity state, 3 subsequently died of uncontrolled disease and 2 entered remission using several other agents including biol...Continue Reading

Citations

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