Long-term allopurinol use decreases the risk of prostate cancer in patients with gout: a population-based study

H. J. Shih, M. C. Kao, P. S. Tsai, Y. C. Fan, C. J. Huang

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26 引文 斯高帕斯(Scopus)

摘要

Background:: Clinical observations indicated an increased risk of developing prostate cancer in gout patients. Chronic inflammation is postulated to be one crucial mechanism for prostate carcinogenesis. Allopurinol, a widely used antigout agent, possesses potent anti-inflammation capacity. We elucidated whether allopurinol decreases the risk of prostate cancer in gout patients. Methods:: We analyzed data retrieved from Taiwan National Health Insurance Database between January 2000 and December 2012. Patients diagnosed with gout during the study period with no history of prostate cancer and who had never used allopurinol were selected. Four allopurinol use cohorts (that is, allopurinol use (>365 days), allopurinol use (181–365 days), allopurinol use (91–180 days) and allopurinol use (31–90 days)) and one cohort without using allopurinol (that is, allopurinol use (No)) were included. The study end point was the diagnosis of new-onset prostate cancer. Multivariable Cox proportional hazards regression and propensity score-adjusted Cox regression models were used to estimate the association between the risk of prostate cancer and allopurinol treatment in gout patients after adjusting for potential confounders. Results:: A total of 25 770 gout patients (aged between 40 and 100 years) were included. Multivariable Cox regression analyses revealed that the risk of developing prostate cancer in the allopurinol use (>365 days) cohort was significantly lower than the allopurinol use (No) cohort (adjusted hazard ratio (HR)=0.64, 95% confidence interval (CI)=0.45–0.9, P=0.011). After propensity score adjustment, the trend remained the same (adjusted HR=0.66, 95% CI=0.46–0.93, P=0.019). Conclusions:: Long-term (more than 1 year) allopurinol use may associate with a decreased risk of prostate cancer in gout patients.

原文英語
頁(從 - 到)328-333
頁數6
期刊Prostate Cancer and Prostatic Diseases
20
發行號3
DOIs
出版狀態已發佈 - 9月 1 2017

ASJC Scopus subject areas

  • 腫瘤科
  • 泌尿科學
  • 癌症研究

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