This study by the French Vasculitis Study Group 1 is not the first setback for methotrexate in the treatment of ANCA-associated vasculitis. A randomized, controlled trial of induction therapy in ...
Figure 1: Renal biopsy specimen showing focal necrotizing glomerulonephritis in a patient with antineutrophil cytoplasmic antibody (ANCA)-associated microscopic polyangiitis. Kain et al.