Antineoplastic 1pub Classification Agents used in cancer chemotherapy are commonly categorized by their mechanism of action or by their origin.
Some cancers are hormone dependent.
Growth can be inhibited by surgical removal of gonads, adrenal glands and puituitary. In general, endocrine therapy carries much less serious consequences for normal tissue than the cytotoxic agents do. Biological response modifiers BRMs were defined as agents or approaches that modify the relationship between tumor and host by modifying the host's biological response to tumor cells with resultant therapeutic effects.