Abstract:
UNLABELLED: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: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:Relevant publications were identified through PubMed/Medline/Embase databases. Pooled estimates of the hazard ratios (HRs) were computed using the inverse-variance weighting approach. Heterogeneity was assessed using the Cochran's Q test. RESULTS: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. 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. 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] 0.72-1.13) for the entire set of eight studies, 1.02 (95% CI 0.80-1.29) for the RP series and 0.71 (95% CI 0.44-1.16) for the RT series. CONCLUSION: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.
journal_name
BJU Intjournal_title
BJU internationalauthors
Scosyrev E,Tobis S,Donsky H,Wu G,Joseph J,Rashid H,Messing Edoi
10.1111/j.1464-410X.2012.11527.xsubject
Has Abstractpub_date
2013-03-01 00:00:00pages
E71-7issue
3 Pt Beissn
1464-4096issn
1464-410Xjournal_volume
111pub_type
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更新日期:2012-03-01 00:00:00