Clinical outcomes of salvage treatment in lymph node-positive prostate cancer patients after radical prostatectomy

Dowook Kim, Dong-Yun Kim, Jae-Sung Kim, Sung Kyu Hong, Seok-Soo Byun and Sang Eun Lee

PLOS ONE, 2021, vol. 16, issue 9, 1-12

Abstract: Introduction: The optimal salvage treatment strategies for lymph node-positive (LNP) patients after radical surgery have not been clearly defined in prostate cancer with biochemical recurrence or persistence of elevated prostate-specific antigen (PSA). In this study, we compared the clinical outcomes of two different salvage treatments, androgen deprivation therapy (ADT) alone versus ADT with radiotherapy (RT). We also investigated prognostic factors that could support the use of ADT with RT in LNP prostate cancer. Materials and methods: We retrospectively reviewed 94 LNP prostate cancer patients who underwent radical prostatectomy (RP) followed by salvage treatment between 2004 and 2018. Salvage treatments involved either ADT alone or ADT with RT according to the clinical judgment of the physician. We analyzed clinicopathological and treatment factors related to 2nd biochemical failure (2nd BCF), clinical progression (CP), and progression-free survival (PFS). The cumulative failure after salvage treatment was defined as including both 2nd BCF and CP. Results: The median duration of follow-up was 55 months (interquartile range, 35–97 months). Thirty-seven (39.4%) patients were treated with ADT alone, and 57 patients (60.6%) were treated with a combination of ADT with RT. During follow-up period, the incidence of failure after salvage treatment in the ADT alone group and the combined treatment group was 89.2% and 45.6%, respectively (HR, 22.4; 95% CI 5.43–92.1; P

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0256778

DOI: 10.1371/journal.pone.0256778

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