期刊
BJU INTERNATIONAL
卷 111, 期 3B, 页码 E71-E77出版社
WILEY
DOI: 10.1111/j.1464-410X.2012.11527.x
关键词
biochemical recurrence; biochemical failure; prostate cancer; statins
资金
- Ashley Family Foundation
What's known on the subject? and What does the study add? Over the last few years, several observational studies examined the association of statin use with the risk of biochemical recurrence of prostate cancer after definitive local therapy. The objective of our present study was to summarise available evidence on this subject using the method of meta-analysis. Combined evidence from eight cohort studies did not definitively support the hypothesis that statins influence the risk of biochemical recurrence. However, there was considerable disagreement between individual studies in reported findings and conclusions. OBJECTIVE center dot To perform a systematic review and meta-analysis of clinical studies with statin use as the exposure variable and biochemical recurrence after definitive local therapy for prostate cancer as the outcome. METHODS center dot Relevant publications were identified through PubMed/Medline/Embase databases. center dot Pooled estimates of the hazard ratios (HRs) were computed using the inverse-variance weighting approach. center dot Heterogeneity was assessed using the Cochran's Q test. RESULTS center dot We identified a total of eight eligible studies, all based on the retrospective cohort design. Five of these were based on radical prostatectomy (RP) series and three on radiotherapy (RT) series. center dot There was evidence of heterogeneity in the entire set of eight studies (P= 0.002) as well as in the RP series (P= 0.05) and in the RT series (P= 0.01), when these were considered separately. center dot Based on the random effects inverse-variance weighting approach, pooled estimates of the HRs for the risk of biochemical recurrence in statin users v non-users were 0.91 (95% confidence interval [CI] 0.721.13) for the entire set of eight studies, 1.02 (95% CI 0.801.29) for the RP series and 0.71 (95% CI 0.441.16) for the RT series. CONCLUSION center dot The pooled estimates of the HRs were not significantly different from the null value in this meta-analysis; however, evidence of heterogeneity between the studies was present.
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