Introduction: Active surveillance (AS) has emerged as a primary management strategy for low-risk prostate cancer (PC) patients. We aimed to assess AS uptake over a 1-year snapshot throughout Quebec and to compare it to 2010 multicentric Canadian data.
Methods: A retrospective chart review and data collection was performed in 1 academic and 2 non-academic community centres from Quebec, among men identified in 2016 with localized T1c-T2c PC on biopsy, fulfilling NCCN criteria of low-risk (LR)-PC, including very-low-risk (VLR) and non-VLR-PC, and favourable-intermediate risk (FIR)-PC. AS adherence was defined when chosen as initial strategy, without any radical treatment within 6 months.
Results: Overall, 259 patients fulfilled the inclusion criteria with 50.2% of VLR-PC patients. At 6 months, 81% patients in the LR group and 65% in the FIR group were considered as adherent to AS, in both centres, but with an increased use of AS in the community centres compared to 2010 data. The rates of AS maintenance decreased at 12 months to respectively 69% and 58%. Among the VLR group, the rate of initiation was 98% and decreased to 85% at 12 months.
Conclusion: Our data suggest that the majority of low-risk PC patients indeed initiated an AS in 2016, with even a greater proportion of VLR-PC patients compared to 2010. This ideal strategy should be encouraged and improved at 12 months, and assessed with recent data and longer follow-up.
Keywords: Active surveillance; Canadian prostate cancer biomarker network; Prostate cancer.
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