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Updated: Dec 14, 2025
Stereotactic Radiosurgery for Gynecologic Cancer
Published on: April 17, 2012
Stereotactic body radiotherapy for localized prostate cancer - 5-year efficacy results
Kristiina Vuolukka1, Päivi Auvinen2,3, Erno Tiainen3
1Cancer Center, Kuopio University Hospital, PO Box 100, FI-70029, Kuopio, Finland. kristiina.vuolukka@kuh.fi.
Background:
The use of stereotactic body radiotherapy (SBRT) as the primary treatment modality in clinically localized prostate cancer (PCa) is emerging. The aim of the study was to analyze the long-term results of PCa patients treated with SBRT.
Methods:
This non-selected, real-life patient cohort included 213 patients with localized PCa treated with a robotic SBRT device during 2012-2015.
Results:
The median follow-up was 64 months (range, 10-85 months), and all risk-groups were represented as 47 (22.1%), 56 (26.3%) and 110 (51.6%) patients were classified into D'Amico risk stratification of low, intermediate and high-risk groups, respectively. Androgen deprivation therapy (ADT) was administered to 64.3% of the patients. At cut-off, the biochemical relapse-free survival (bRFS) was 100, 87.5 and 80.0% for patients at low, intermediate and high-risk (p = 0.004), and 92.5, 84.2 and 66.7% for patients with Gleason score ≤ 6, 7 and ≥ 8, respectively (p = 0.001). The actuarial 5-year overall survival (OS) rates were 97.9, 96.4 and 88.6% in the low, intermediate and high-risk groups, respectively, and at the cut-off, the disease-specific survival (DSS) rate of the whole cohort was high (99.1%), as only two high-risk patients died due to PCa.
Conclusion:
Our present results of SBRT delivered with CyberKnife produced excellent long-term bRFS, OS and DSS outcomes among patients with localized PCa. We conclude that SBRT provides an efficient and convenient treatment option for patients with localized PCa, irrespective of the risk-group.
