fourth therapy

fourth therapy

Oncology A popular term for the next generation of CA therapies Background CA is traditionally treated with one plus of the 3 tumor-ablative modalities, ie surgery, RT, chemotherapy; biological response modifiers–IFNs, interleukins, monoclonal antibodies, CSFs, TNF–the '4th therapy', are based on the immune system–eg, immunomodulation, antiproliferative, tumorilytic activities. See Biological response modifiers.