4.5 Article

The Suggested Unique Association Between the Various Statin Subgroups and Prostate Cancer

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EUROPEAN UROLOGY FOCUS
卷 7, 期 3, 页码 537-545

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ELSEVIER
DOI: 10.1016/j.euf.2020.06.005

关键词

Hydrophilic statins; Hydrophobic statins; Prostate biopsy; Prostate cancer; Prostate cancer-specific survival

资金

  1. ICES - Ontario Ministry of Health and Long-Term Care (MOHLTC)

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The study indicates that the use of statins may be associated with a lower risk of prostate cancer-specific mortality, with hydrophilic statins (such as rosuvastatin and pravastatin) showing a greater association with decreased risk of undergoing another prostate biopsy and being diagnosed with prostate cancer.
Background: The chemopreventive effect of various medications in prostate cancer (PCa) has gained interest. Specifically, the potential impact of statins on PCa incidence has been studied, but solely as a drug family overlooking the distinctive pharmacological properties of its two main subgroups: hydrophilic and hydrophobic statins. Objective: To assess the impact of statin subgroups on PCa-specific mortality (PCSM), PCa diagnosis, and undergoing another prostate biopsy. Design, setting, and participants: This is a population-based cohort study in Ontario identifying all men aged >66 yr with a history of a single negative prostate biopsy (representing healthy men at risk for PCa) between 1994 and 2016, who were not on any of the analyzed medications prior to the study, with a median follow-up of 9.42 yr (interquartile range 8.03 yr). Outcome measurements and statistical analysis: Using multivariable cause-specific hazard models with time-dependent covariates, the association of hydrophobic and hydrophilic statins with all study outcomes was analyzed. Other putative chemopreventive medications (including alpha-blockers, 5-alpha-reductase inhibitors, and proton-pump inhibitors), age, rurality, comorbidities, and study inclusion year were included in the models. Results and limitations: Overall, 21 512 men were identified. Statins were taken by 11 401 patients (50.3%), 5184 men (24.1%) were diagnosed with PCa, and 805 (3.7%) died from it. Overall, 7556 patients (35.1%) underwent another biopsy. Any use of hydrophilic statins was associated with a 32.4% (95% confidence interval [CI] 12.9-47.5%), a 20% (95% CI 10-28%), and an 18% (95% CI 6.1-27.3%) decreased risk of PCSM, undergoing another prostate biopsy, and being diagnosed with PCa, respectively. Hydrophobic statins were associated with 17% (95% CI 2-31%) decreased PCSM. The study is limited by its retrospective nature, selection bias, and accompanying health-administrative database inaccuracies. Conclusions: Use of any statin may be associated with a lower hazard of PCSM, with hydrophilic statins showing a greater association with decreased PCa diagnosis rates. Preferentially prescribing one statin subgroup over another in men needs further exploration. Patient summary: Use of any statin may be associated with a lower probability of dying from prostate cancer. Hydrophilic statins (rosuvastatin and pravastatin) may also be more positively associated with a lower risk of undergoing an additional prostate biopsy and being diagnosed with prostate cancer in men aged >66 yr. (c) 2020 European Association of Urology. Published by Elsevier B.V. All rights reserved.

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