Chugai Pharmaceutical Co., Ltd., together with its subsidiaries, engages in the research, development, manufacture, sale, importation, and exportation of pharmaceuticals in Japan and internationally. It offers oncology products, such as Alecensa, Avastin, FoundationOne, Herceptin, Kadcyla, Lunsumio, Perjeta, Phesgo, Polivy, and Tecentriq; Actemra for humanized anti-human IL-6 receptor monoclonal antibody; CellCept, an immunosuppressant; Enspryng, a pH-dependent binding humanized anti-IL-6 receptor monoclonal antibody; Evrysdi, a spinal muscular atrophy agent; Hemlibra, an anti-coagulation factor IXa/X humanized bispecific monoclonal antibody; Mircera, an erythropoiesis-stimulating agent; PiaSky, a pH-dependent binding humanized anti-complement (C5) monoclonal antibody; Tamiflu, an anti-influenza agent; and Vabysmo, an anti VEGF/anti Ang-2 bispecific antibody. The company has a collaboration with Phylo, Inc. to deploy an agentic AI platform for biomedical research across its drug discovery workflow. The company was formerly known as Chugai Shinyaku Shokai and changed its name to Chugai Pharmaceutical Co., Ltd. in January 1943. The company was founded in 1925 and is headquartered in Chuo, Japan. Chugai Pharmaceutical Co., Ltd. operates as a subsidiary of Roche Holding AG.