Definition

A drug used alone or with other drugs to treat adults with certain types of nasopharyngeal cancer (a type of head and neck cancer). It is also being studied in the treatment of other types of cancer. Toripalimab binds to a protein called PD-1, which is found on T cells (a type of immune cell). Blocking this protein may help the immune system kill cancer cells. Toripalimab is a type of monoclonal antibody and a type of immune checkpoint inhibitor. Also called Loqtorzi.