Cholesterol-lowering drugs and prostate cancer risk: a population-based case-control study.
BACKGROUND
Previous studies have shown that statin use may reduce prostate cancer risk. In the current study, we evaluated the association between serum cholesterol-lowering medication use and prostate cancer risk at the population level.


METHODS
All newly diagnosed prostate cancer cases in Finland during 1995 to 2002 and matched controls (24,723 case control pairs) were identified from the Finnish Cancer Registry and the Population Register Center, respectively. Detailed information on cholesterol-lowering drug purchases during the study period was obtained from the prescription database of the Social Insurance Institution of Finland.


RESULTS
After adjustment for potential confounders, having ever-use of any statin was associated with marginally elevated overall prostate cancer risk [odds ratio (OR), 1.07; 95% confidence interval (95% CI), 1.00-1.16]. However, none of the statins was associated with the overall prostate cancer risk when analyzed separately. On the other hand, the risk of advanced prostate cancer was decreased among users of atorvastatin, lovastatin, and simvastatin (OR 0.61, 95% CI 0.37-0.98; OR 0.61, 95% CI 0.43-0.85; and OR 0.78, 95% CI 0.61-1.01, respectively). The risk was not affected among users of other cholesterol drug groups.


CONCLUSIONS
Our large population-based study showed no evidence for reduced overall prostate cancer risk among users of cholesterol-lowering drugs, whereas the risk of advanced cancer was decreased among statin users.
Murtola
Teemu J
TJ
School of Public Health, University of Tampere, Tampere, FIN-33014, Finland. teemu.murtola@uta.fi
Tammela
Teuvo L J
TL
Lahtela
Jorma
J
Auvinen
Anssi
A
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D016022:Case-Control Studies; D005387:Finland / Q000453:epidemiology; D006801:Humans; D019161:Hydroxymethylglutaryl-CoA Reductase Inhibitors / Q000008:administration & dosage*; D008297:Male; D008875:Middle Aged; D009367:Neoplasm Staging; D011471:Prostatic Neoplasms / Q000453:epidemiology* / Q000473:pathology / Q000517:prevention & control; D012307:Risk Factors
D019161:Hydroxymethylglutaryl-CoA Reductase Inhibitors