Immune therapy is divided into two forms: Active: Treatment is mediated by active immunity and aims to provoke or amplify a patient's anticancer immune response Adoptive; Treatment is mediated by passive immunity and involves giving anticancer antibodies or cells Active immune therapy can involve vaccines, modified T-cells from the patient (eg chimeric antigen receptor (CAR) - T-cells), or certain types of monoclonal antibody that activate the patient's immune system against the cancer (eg, checkpoint inhibitors).