期刊
UROLOGY
卷 83, 期 5, 页码 1122-1128出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.urology.2014.01.013
关键词
-
资金
- Ferring Pharmaceuticals
- Dr. Matthew deSchoolmeester of Bioscript Medical
OBJECTIVE To demonstrate the safety and efficacy of up to 5 years of degarelix treatment and the effects of crossing over from leuprolide to degarelix in the extension phase of a phase III pivotal 1-year trial. METHODS Patients receiving degarelix who completed the 1-year trial continued on 80 mg (n = 125) or 160 mg (n = 126) maintenance doses. Patients who received leuprolide were rerandomized to degarelix 240/80 mg (n = 69) or 240/160 mg (n = 65). Safety and tolerability were assessed (primary end point), as well as testosterone and prostate-specific antigen levels and prostate-specific antigen progression-free survival (secondary end points). RESULTS Adverse event frequency was similar between both the groups. Adverse events included initial injection site reactions, hot flushes, and increased weight. Testosterone and prostate-specific antigen values during the extension study were similar to those seen during the 1-year trial in patients who continued on degarelix or crossed over from leuprolide. The prostate-specific antigen progression-free survival hazard rate was decreased significantly after the crossover in the leuprolide to degarelix group (from 0.20 to 0.09; P = .002), whereas in patients who continued on degarelix, the rate did not change significantly. In patients with baseline prostate-specific antigen > 20 ng/mL, the same hazard rate change pattern was observed on crossover (from 0.38 to 0.19; P = .019). CONCLUSION Degarelix was well tolerated; no safety concerns were identified. The significant prostate-specific antigen progression-free survival benefit established for degarelix over leuprolide during year 1 remained consistent at 5 years. UROLOGY 83: 1122-1128, 2014. (C) 2014 Elsevier Inc.
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