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Am J Epidemiol. 2005 Aug 15;162(4):318-25. Epub 2005 Jul 13.

Statins and prostate cancer risk: a case-control study.

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  • 1Oregon Health & Sciences University, Portland, OR 97239-3098, USA. shannoja@ohsu.edu

Abstract

Observational studies have shown that 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitor (statin) use may be associated with reduced cancer risk. The purpose of this case-control study was to elucidate the association between statin use and prostate cancer risk. Prostate cancer cases (n = 100), recruited upon referral for prostate biopsy, and frequency age-matched, prostate-specific antigen-normal clinic controls (n = 202) were recruited from the Portland, Oregon, Veterans Affairs Medical Center. Information on any use of statins from May 1997 through August 2004 was obtained from an electronic pharmacy database. Days of use, type of statin, dose, and prescription changes were recorded. Duration and intensity were calculated for each statin type on the basis of days of use and prescribed dose. Thirty-six percent of cases and 49 percent of controls had a record of any statin use. Following adjustment for other potential risk factors, statin use was associated with a significant reduction in prostate cancer risk (odds ratio = 0.38, 95% confidence interval: 0.21, 0.69). Furthermore, in analyses stratified by Gleason score, the inverse association with statin use was maintained only among men with Gleason scores of > or =7 (odds ratio = 0.24, 95% confidence interval: 0.11, 0.53). The results of this case-control study suggest that statins may reduce the risk of total prostate cancer and, specifically, more aggressive prostate cancer.

PMID:
16014776
[PubMed - indexed for MEDLINE]
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