#ACR19 RITAZAREM RCT rituxan vs imuran, AAV maintenance RTX superior to imuran w/HR 0.36 and relapse rate at 24 months (13% vs 38% imuran, NNT=4). Hypogam risk only 4% higher vs imuran (NNH~25) and non-severe infections similar Supports guideline recs from this AM! @RheumNow https://t.co/m9FkJ7d7I9