19/05/2026 Cullinan’s CLN‑049 earns FDA Orphan Drug Designation in relapsed/refractory AML FL118 Receives Dual FDA Designations for Osteosarcoma, Advancing Rare Pediatric Cancer Treatment Cullinan’s CLN‑049 earns FDA Orphan Drug Designation in relapsed/refractory AML (Ref) LN-049, a novel FLT3 x CD3 T cell engager, has received Orphan Drug Designation for relapsed/refractory acute myeloid leukemia (AML) CLN-049 is in Phase 1 trials, including multiple ascending dose studies i