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Comparative Study
. 2016 Dec;196(6):1645-1650.
doi: 10.1016/j.juro.2016.06.083. Epub 2016 Jun 24.

Stricter Active Surveillance Criteria for Prostate Cancer do Not Result in Significantly Better Outcomes: A Comparison of Contemporary Protocols

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Comparative Study

Stricter Active Surveillance Criteria for Prostate Cancer do Not Result in Significantly Better Outcomes: A Comparison of Contemporary Protocols

Maria Komisarenko et al. J Urol. 2016 Dec.

Abstract

Purpose: We reviewed various existing active surveillance criteria and determined the competing trade-offs of the stricter vs more inclusive active surveillance criteria.

Materials and methods: Men enrolled in an active surveillance program at Princess Margaret Cancer Centre between 1998 and 2014 were identified through a prospectively maintained database. All patients were assessed for entry eligibility into the Prostate Cancer Research International: Active Surveillance, Johns Hopkins, University of Miami, University of California San Francisco, Memorial Sloan Kettering Cancer Center, University of Toronto-Sunnybrook and Royal Marsden protocols. The 2-sided t-test, ANOVA, Wilcoxon rank sum or chi-square tests were used for comparison as appropriate.

Results: Of the 1,365 men identified 1,085 met the Princess Margaret Cancer Centre inclusion criteria. When the Johns Hopkins, Prostate Cancer Research International: Active Surveillance and University of Miami criteria were applied 15.2%, 11.5% and 11.3% of these patients were excluded from active surveillance, respectively. No significant differences were noted between men who met the Princess Margaret Cancer Centre criteria and those who were excluded based on more stringent criteria when grade or volume reclassification was compared. No significant differences in prostate specific antigen velocity or the number of patients who proceeded to seek treatment were noted (p >0.1). Rates of biochemical recurrence among patients who chose to undergo radical prostatectomy after initial active surveillance were not different between men who met the more inclusive vs more exclusive active surveillance protocols.

Conclusions: More selective criteria do not significantly improve short-term outcomes when considering the relative risk of grade reclassification or biochemical failure after treatment. In an era of increased awareness regarding the over diagnosis and overtreatment of prostate cancer, we believe that stricter entry criteria should be reconsidered.

Keywords: eligibility determination; prostatic neoplasms; watchful waiting.

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