Retrospective Japanese study of 544 pts w/ GPA or microscopic polyangiitis (MPA) followed > 48 wks; only 29 (5.3%) achieved steroid free remission (GFCR) at wk 48. Predictors of GFCR: rituximab induction (OR 3.9) & avacopan use (OR 24.3). MP pulse RX had lower likelihood of GFCR https://t.co/EMRqA5oHJQ