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NCI Dictionary of Cancer Terms

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immunomodulating agent  listen  (IH-myoo-noh-MOD-yoo-lay-ting AY-jent)

  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.