23/12/2025 Alphamab Oncology and 3D (Beijing) Medicines' envafolimab received the FDA orphan drug designation for GC/GEJC SN Bioscience's SNB-101 received the FDA orphan drug designation for GC/GEJC Alphamab Oncology and 3D (Beijing) Medicines' envafolimab received the FDA orphan drug designation for GC/GEJC ( Ref ) The US FDA granted the orphan drug designation to Alphamab Oncology and 3D (Beijing) Medicines' envafolimab (KN035; subcutaneously injectable PD-L1 inhibitor) for