Postoperative Hypofractionated Radiation Therapy in Prostate Carcinoma: A Systematic Review
2018
BACKGROUND/AIM: A systematic review on toxicity, local control (LC), overall survival (OS), and biochemical relapse-free survival (bRFS) after postoperative hypofractionated radiotherapy (HFRT) on prostate cancer (PCa) was performed. MATERIALS AND METHODS: Based on the PRISMA methodology, studies reporting clinical results after adjuvant or salvage HFRT were included. RESULTS: A total of 1,208 patients from 17 eligible studies were included. Median follow-up was 30 months. No case of severe acute gastrointestinal (GI) toxicity was recorded. Grade ≥3 acute genitourinary (GU) toxicity ranged between 0% and 3%. Different rates of grade ≥2 late GI (range=0-8.7%) and GU (range=0-66%) toxicity were recorded. Encouraging results on LC, OS, and bRFS were reported. CONCLUSION: Acute toxicity does not seem to be increased in patients receiving postoperative HFRT, but the results of late-GU toxicity are conflicting. Further prospective studies are needed before including postoperative HFRT in clinical practice.
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