#EULAR2026 LB0004 First BiTE, now TriTE! Tri-specific CC312 CD19/CD3/CD28 (i.e. CD28 co-stimulates Tcell activation) showed deep Bcell depletion, early efficacy & safety in 10 #SLE patients up to 52WKs. Promising but longer FU needed to see if repeat dosing needed @RheumNow https://t.co/6Lbm9LYJrY