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 import