CStone Pharmaceuticals, a biopharmaceutical company, researches and develops anti-cancer therapies to address the unmet medical needs of cancer patients in China and internationally. The company offers Sugemalimab, a monoclonal antibody against programmed death (PD) ligand 1; GAVRETO, a RET inhibitor for the treatment of patients with advanced or metastatic RET-mutant medullary and RET fusion-positive thyroid cancers; and a