Pre-treatment PSA- progression as a negative prognostic factor in patients using 5-alpha-reductase inhibitors prior to radiotherapy for prostate cancer.
Abstract:96 Background: To investigate the impact of 5-alpha-reductase inhibitors (5-ARIs) usage on radiotherapy outcomes for localized prostate cancer. Methods: From our institutional database of over 2500 patients, we identified 203 patients on a 5-ARI. They were all treated with either external beam radiotherapy (EBRT) or brachytherapy for localized prostate cancer. Patients receiving a 5-ARI were analyzed according to the following prostate cancer progression criteria: a) progression of Gleason score or increase i… Show more
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