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- Title
Analgesic and anti-inflammatory drug use and risk of bladder cancer: a population based case control study.
- Authors
Fortuny, Joan; Kogevinas, Manolis; Zens, Michael S.; Schned, Alan; Andrew, Angeline S.; Heaney, John; Kelsey, Karl T.; Karagas, Margaret R.
- Abstract
Background: Use of phenacetin and other analgesic and non-steroidal anti-inflammatory drugs (NSAIDs) potentially influences bladder cancer incidence, but epidemiologic evidence is limited. Methods: We analyzed data from 376 incident bladder cancer cases and 463 controls from a population-based case-control study in New Hampshire on whom regular use of analgesic drugs and NSAIDs was obtained. Odds ratios and 95% confidence intervals were computed using logistic regression with adjustment for potentially confounding factors. Separate models by tumor stage, grade and TP53 status were conducted. Results: We found an elevated odds ratio (OR) associated with reported use of phenacetincontaining medications, especially with longer duration of use (OR >8 years = 3.00, 95% confidence interval (CI) = 1.4-6.5). In contrast, use of paracetamol did not relate overall to risk of bladder cancer. We also found that regular use of any NSAID was associated with a statistically significant decrease in bladder cancer risk (OR = 0.6, 95% CI = 0.4-0.9), and specifically use of aspirin. Further, the association with NSAID use was largely among invasive, high grade and TP53 positive tumors. Conclusion: While these agents have been investigated in several studies, a number of questions remain regarding the effects of analgesic and NSAID use on risk of bladder cancer.
- Subjects
NEW Hampshire; BLADDER cancer; PHENACETIN; ANALGESICS; NONSTEROIDAL anti-inflammatory agents; UROLOGY
- Publication
BMC Urology, 2007, Vol 7, p13
- ISSN
1471-2490
- Publication type
Article
- DOI
10.1186/1471-2490-7-13