Aspirin has chemopreventive activity against prostate cancer

[JimmyToowong]

Use of aspirin and other nonsteroidal antiinflammatory medications in relation to prostate cancer risk - Abstract

Wednesday, 25 August 2010

Recent interest has focused on the role that inflammation may play in the development of prostate cancer and whether use of aspirin or other nonsteroidal antiinflammatory drugs (NSAIDs) affects risk.

In a population-based case-control study designed to investigate the relation between these medications and prostate cancer risk, detailed exposure data were analyzed from 1,001 cases diagnosed with prostate cancer between January 1, 2002, and December 31, 2005, and 942 age-matched controls from King County, Washington. A significant 21% reduction in the risk of prostate cancer was observed among current users of aspirin compared with nonusers (95% confidence interval (CI): 0.65, 0.96). Long-term use of aspirin (> 5 years: odds ratio = 0.76, 95% CI: 0.61, 0.96) and daily use of low-dose aspirin (odds ratio = 0.71, 95% CI: 0.56, 0.90) were also associated with decreased risk. There was no evidence that the association with aspirin use varied by disease aggressiveness, but there was effect modification (P(interaction) = 0.02) with a genetic variant in prostaglandin-endoperoxide synthase 2 (PTGS2) (rs12042763). Prostate cancer risk was not related to use of either nonaspirin NSAIDs or acetaminophen. These results contribute further evidence that aspirin may have chemopreventive activity against prostate cancer and highlight the need for additional research.

Written by:

Salinas CA, Kwon EM, Fitzgerald LM, Feng Z, Nelson PS, Ostrander EA, Peters U, Stanford JL.

Reference: Am J Epidemiol. 2010 Aug 5. Epub ahead of print.

doi: 10.1093/aje/kwq175

PubMed Abstract

PMID: 20688905 Forum: Other prostate cancer topics including radiation Title: Aspirin may have chemopreventive activity against prostate cancer

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