Definition of biological response modifier therapy

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biological response modifier therapy (BY-oh-LAH-jih-kul reh-SPONTS MAH-dih-FY-er THAYR-uh-pee)

Treatment to boost or restore the ability of the immune system to fight cancer, infections, and other diseases. Also used to lessen certain side effects that may be caused by some cancer treatments. Agents used in biological response modifier therapy include monoclonal antibodies, growth factors, and vaccines. These agents may also have a direct antitumor effect. Also called biological therapy, biotherapy, BRM therapy, and immunotherapy.

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