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The use of drugs or other agents to inhibit the development or progression of malignant changes in cells.
Farlex Partner Medical Dictionary © Farlex 2012
The use of chemical agents, drugs, or food supplements to prevent the development of cancer.
che′mo·pre·ven′tive adj. & n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Oncology Intervention with chemical agents before malignancy—invasion—across an epithelial basement membrane develops, to halt or slow carcinogenesis; chemoprevention aims to directly modulate specific steps in carcinogenesis, prevent DNA damage by free radicals, suppress epithelial proliferation, and promote epithelial differentiation
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
chemopreventionNutrition The use of drugs, chemicals, vitamins or other substance in the diet or to prevent or ↓ the incidence of a disease–eg, CA; chemopreventive agents–supported by 'soft' epidemiologic data are vitamins A, C, E, bran, other dietary fibers, and cruciferous vegetables. See Antioxidant, Antioxidant therapy. Cf Chemoprophylaxis, Unproven methods for cancer management.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.