“…In AAA from any cause, early studies suggested some efficacy of azathioprine [82], methotrexate associated with corticosteroids [83], chlorambucil [84], colchicine [85], and cyclophosphamide [86]. However, others showed only a partial regression of renal disease with chlorambucil, corticosteroids, cyclophosphamide, and colchicine [53,55,57,60,61]. Therefore, despite these initial glimmers of hope, AAA remained until recently a difficult-to-treat complication with a dismal prognosis.…”