Steroids and Azathioprine in Advanced IgAN

intravenous methylprednisolone 1 g for three consecutive days at the beginning of months 1, 3 and 5

azathioprine 1.5 mg/kg/day for six months followed by azathioprine 50 mg/day for a further six months.

prednisone 0.5 mg/kg every other day followed by prednisone 0.2 mg/kg every other day for a further six months.