CStone Pharmaceuticals, a biopharmaceutical company, researches, develops, and commercializes immuno-oncology and precision medicines to address the unmet medical needs of cancer patients in China and internationally. It offers Sugemalimab, a monoclonal antibody against programmed death (PD) ligand 1; GAVRETO, an RET inhibitor for the treatment of patients with advanced or metastatic RET-mutant medullary and RET fusion-posi