A substance that stimulates or suppresses the immune system and may help the body fight cancer, infection, or other diseases. Specific immunomodulating agents, such as monoclonal antibodies, cytokines, and vaccines, affect specific parts of the immune system. Nonspecific immunomodulating agents, such as BCG and levamisole, affect the immune system in a general way. Also called immune system modulator.
( IH-myoo-noh-MOD-yoo-lay-ting AY-jent )
Source: NCI Dictionary of Cancer Terms
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