A Randomized Trial (Irish Clinical Oncology Research Group 97-01) Comparing Short Versus Protracted Neoadjuvant Hormonal Therapy Before Radiotherapy for Localized Prostate Cancer.
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Authors
Armstrong, John GGillham, Charles M
Dunne, Mary T
Fitzpatrick, David A
Finn, Marie A
Cannon, Mairín E
Taylor, Judy C
O'Shea, Carmel M
Buckney, Steven J
Thirion, Pierre G
Affiliation
Department of Radiation Oncology, St. Luke's Hospital, Dublin.Issue Date
2010-08-24
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A Randomized Trial (Irish Clinical Oncology Research Group 97-01) Comparing Short Versus Protracted Neoadjuvant Hormonal Therapy Before Radiotherapy for Localized Prostate Cancer. 2010: Int. J. Radiat. Oncol. Biol. Phys.Publisher
ElsevierJournal
International journal of radiation oncology, biology, physicsDOI
10.1016/j.ijrobp.2010.04.065PubMed ID
20797824Abstract
PURPOSE: To examine the long-term outcomes of a randomized trial comparing short (4 months; Arm 1) and long (8 months; Arm 2) neoadjuvant hormonal therapy before radiotherapy for localized prostate cancer. METHODS AND MATERIALS: Between 1997 and 2001, 276 patients were enrolled and the data from 261 were analyzed. The stratification risk factors were prostate-specific antigen level >20 ng/mL, Gleason score >/=7, and Stage T3 or more. The intermediate-risk stratum had one factor and the high-risk stratum had two or more. Staging was done from the bone scan and computed tomography findings. The primary endpoint was biochemical failure-free survival. RESULTS: The median follow-up was 102 months. The overall survival, biochemical failure-free survival. and prostate cancer-specific survival did not differ significantly between the two treatment arms, overall or at 5 years. The cumulative probability of overall survival at 5 years was 90% (range, 87-92%) in Arm 1 and 83% (range, 80-86%) in Arm 2. The biochemical failure-free survival rate at 5 years was 66% (range, 62-71%) in Arm 1 and 63% (range, 58-67%) in Arm 2. CONCLUSION: No statistically significant difference was found in biochemical failure-free survival between 4 months and 8 months of neoadjuvant hormonal therapy before radiotherapy for localized prostate cancer.Item Type
ArticleLanguage
enISSN
1879-355Xae974a485f413a2113503eed53cd6c53
10.1016/j.ijrobp.2010.04.065
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