Adding RTX to leflunomide works but may at ACR50 level. 140 RA pts on LEF given RTX or PBO w/ ongoing LEF. Wk 16, RTX+LEF ACR50=32% (vs PBO 15%; P=0.02), but not wk 24 (27 vs 15%), yet ACR20 was signif. RTX had more SAEs (20 vs 2%) https://t.co/t6Z9m7P2Ur