Statin use after radical prostatectomy reduces biochemical recurrence in men with prostate cancer - Abstract

BACKGROUND: The impact of statin use on biochemical recurrence (BCR) of prostate cancer after radical prostatectomy (RP) is controversial.

METHODS: In 2,137 consecutive RP patients between 1998 and 2011 at Asan Medical Center, we aimed to assess the presence and impact of statin use according to types (hydrophilic vs. hydrophobic), dose equivalents (DEs), and postoperative duration of usage (< 18, 18-36, >36 months). Between non-users and preoperative or postoperative users, clinicopathological characteristics, and impact of statin use on BCR were analyzed using Cox proportional hazards model. Mean (range) follow-up was 39.4 (8-183) months.

RESULTS: Compared to non-users, preoperative users had lower PSA (5.8 vs. 7 ng/ml), but the rates of organ confined disease, pathologic Gleason score (GS) or positive surgical margin (PSM) were not different. After adjusting for pathologic stage, postoperative statin use was associated with a higher BCR-free survival. In multivariate analysis, ≤ 36 months' statin use independently decreased the risk of BCR along with PSA, pathologic GS, pathologic stage, and PSM. Risk reduction was observed especially in patients with pathologic GS ≥ 7 (HR 0.27, 95% CI 0.13-0.59, P = 0.001), NSM disease (HR 0.18, 95% CI 0.05-0.63, P = 0.007), or PSA ≥ 10.0 ng/ml (HR 0.30, 95% CI 0.11-0.81, P = 0.018). Increasing duration of use nullified the effect. Preoperative statin use did not demonstrate significant risk reduction for BCR in any of the stratified multivariate models.

CONCLUSION: In Korean men undergoing RP, preoperative statin use was not associated with different pathologic outcome. However, postoperative statin use until 36 months decreased the risk of BCR independently especially in patients with high-risk disease.

Written by:
Song C, Park S, Park J, Shim M, Kim A, Jeong IG, Hong JH, Kim CS, Ahn H.   Are you the author?
Department of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Reference: Prostate. 2014 Oct 18. Epub ahead of print.
doi: 10.1002/pros.22907


PubMed Abstract
PMID: 25327522

UroToday.com Prostate Cancer Section

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