CASTLE Phase 1/2a CAR-T cell trial of 24 Tx refractory SLE, SSC, IIM pts w/ MB-CART19.1 (autologous CD19 CAR-T). Good safety (no CRS Gr 2 or higher or ICANS) @wk 24 & 22/24 achieved efficacy (9/10 SLE remission; 9/9 SSc no progression, 4/5 IIM major/mod response). All GC free on https://t.co/1BJidCuCeb