The Risk of Malignancy in the Surgical Margin at Radical Prostatectomy Reduced Almost Three-Fold in Patients Given Neo-Adjuvant Hormone Treatment

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Abstract
To investigate the outcome of neo-adjuvant hormone treatment before radical prostatectomy regarding local tumour extension, peri-operative blood loss and operation time. Of 111 surgically treated patients with prostate cancer (T1b-T3a, N0, M0, G1-3), 55 were randomised to immediate radical prostatectomy and 56 to 3 months of neo-adjuvant treatment with triptorelin (3.75 mg i.m. every 28 days) and cyproterone acetate (50 mg b.i.d. for 3 weeks to prevent flare). No differences were found in blood loss or operation time but patients who had neo-adjuvant treatment had a significantly lower frequency of positive margins (41 vs. 23%, p = 0.013). Neo-adjuvant treatment does not facilitate radical prostatectomy but may improve the chance of local cure. This must, however, be documented with long-term follow-up in randomised patients.

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