chemoprevention


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chem·o·pre·ven·tion

(kē'mō-prē-ven'shŭn),
The use of drugs or other agents to inhibit the development or progression of malignant changes in cells.
Farlex Partner Medical Dictionary © Farlex 2012

chemoprevention

(kē′mō-prĭ-vĕn′shən, kĕm′ō-)
n.
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.
Nutrition The use of drugs, chemicals, vitamins or other substances in the diet to prevent or decrease the incidence of a disease—e.g., cancer; chemopreventive agents—supported by some ‘soft’ epidemiologic data—are vitamin-rich fruits, bran, other dietary fibers, and cruciferous vegetables
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.

chemoprevention

Nutrition 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.
References in periodicals archive ?
This finding has enormous implications for chemoprevention. Coupled with anastrozole's advantages over tamoxifen on some key safety end points in ATAC, it constitutes "a strong argument" for continued investigation of the aromatase inhibitors in breast cancer prevention despite the bone and joint concerns, he continued.
An effective dosage of aspirin is about 75 mg/day, although the optimal dosage for chemoprevention is not known, the federally funded USPSTF noted.
Among white women aged 50-59 at increased risk for breast cancer, however, the decision to employ tamoxifen for chemoprevention needs to be individualized based on whether an intact uterus is present.
The lack of toxicity in Annurca extracts makes them excellent candidates for the chemoprevention of CRC.
The seasonal malaria chemoprevention campaign being currently implemented at this auspicious time aims at maintaining an adequate level of antimalarial medicine concentration in targeted children in order to kill any malaria parasites during this period of high malaria transmission.
The Manager, Primary Healthcare Development Agency in the area, Alhaji Abdullahi Uba, told the News Agency of Nigeria (NAN) in Kafin-Hausa, that the drugs were provided under the Seasonal Malaria Chemoprevention programme.
For high risk women, two chemoprevention medications have been approved by the U.S.
"In a large multicenter chemoprevention study, we found evidence that calcium and vitamin D supplementation increased the risk of SSA/Ps," the authors write.
Chemoprevention treatments may be selected according to individual cancers, Dr.
It is time to investigate new agents for oral cancer chemoprevention.
'As nicotinamide reduces the incident of actinic keratoses and nonmelanoma skin cancers in high-risk individuals and enhances repair of DNA damage in melanocytes, it is a promising agent for the chemoprevention of melanoma in high-risk populations,' Halliday said.