• Zhixiong Peng and Andong Huang.
• Department of Surgery, Traditional Chinese Medicine Hospital of Yichun City, Yichun City, China.
• Medicine (Baltimore). 2022 Sep 23; 101 (38): e30671.

BackgroundCytoreductive radical prostatectomy (RP), transurethral resection of the prostate, and radiation therapy were the main local treatments for oligometastatic prostate cancer (PCa). An optimal local treatment for metastases PCa was not consensus. The purpose of this study was to evaluate the effect on these local treatments for patients with metastases PCa.MethodsAll relevant studies were systematically searched through PubMed, Web of Science through November 1, 2021. Studies were screened by inclusion and exclusion criteria. Progression-free survival (PFS), cancer-specific survival (CSS), and overall survival (OS) were evaluated by this meta-analysis.ResultsEleven studies were identified that met the inclusion criteria. 644 patients received cytoreductive surgery, 8556 patients received no surgery or radiation therapy (RT), and 461 patients received RP + androgen deprivation therapy compared with 746 patients who received RT. Pooled data indicated that cytoreductive surgery significantly prolonged the PFS (OR = 0.65, 95% CI 0.53-0.80, P < .0001), CSS and OS (OR = 0.49, 95% CI 0.43-0.56, P < .00001; and OR = 0.80, 95% CI 0.72-0.88, P < .00001; respectively). Comparing cytoreductive surgery with RT, CSS, and OS were similar (OR = 0.82, 95% CI 0.67-1.01, P = .06; and OR = 0.93, 95% CI 0.79-1.09, P = .39; respectively).ConclusionsCytoreductive radical prostatectomy significantly prolonged the PFS for metastatic PCa. Although OS was considered a-not-so significant difference between cytoreductive surgery and non-local therapy, non-local treatment was not recommended.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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