06/01/2026 Cellenkos' CK0804 received the FDA orphan drug designation for myelofibrosis Bayer's sevabertinib received the breakthrough therapy designation for HER2-mutant NSCLC Cellenkos' CK0804 received the FDA orphan drug designation for myelofibrosis (Ref) The US FDA granted the orphan drug designation to Cellenkos' CK0804 (CXCR4hi Treg therapeutic) for treatment of myelofibrosis. Dr. Simrit Parmar, MD, Founder, Cellenkos: "Receiving Orphan Drug Designation is an important