| 释义 |
chemoprevention, n.
Brit. |ˌkiːmə(ʊ)prɪˈvɛnʃn|, |ˌkɛmə(ʊ)prɪˈvɛnʃn|, U.S. |ˈˌkimoʊˌpriˈvɛn(t)ʃən|, |ˈˌkimoʊˌprəˈvɛn(t)ʃən|, |ˈˌkɛmoʊˌpriˈvɛn(t)ʃən|, |ˈˌkɛmoʊˌprəˈvɛn(t)ʃən|
[‹ chemo- comb. form + prevention n. Compare earlier chemoprophylaxis n. at chemo- comb. form Affix.]
The prevention of disease by the administration of drugs or other chemical agents (cf. chemoprophylaxis n. at chemo- comb. form Affix); (in later use esp.) the administration of dietary supplements, plant extracts, etc., to prevent the development of cancer. Freq. attrib.
1966Med. Clinics N. Amer. 50 279 (title) Chemoprevention of rheumatic fever. 1976Federation Proc. 35 1332 Natural retinoids have limited usefulness for chemoprevention of cancer because of inadequate tissue distribution and excessive toxicity. 1992Chicago Tribune 20 Dec. v. 1/4 Cancer researcher Michael Wargowich specializes in chemoprevention—the warding off of malignancies through natural foods and extracts. 1999N.Y. Times Mag. 10 Oct. 36/3 (advt.) Chemoprevention strategies are another option. This approach involves taking tamoxifen, a drug used to prevent recurrence in women who have already been diagnosed with the disease [sc. breast cancer], and micronutrients like vitamin E and selenium. 2003BusinessWeek 9 June 123/2 Like Evista, most chemoprevention drugs under study were originally developed for other diseases. |