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Androgen deprivation therapy should be considered for at least 6 months and potentially for 2-3 years based on randomized data from the EORTC tials, which has been recently updated by S/L bulla to show improved 10-year disease free and overall survival without increasing cardiovascular toxicity.
I think they are talking about the doctor conducting the trial study:
(I only copied the pertinent parts)
http://prostablog.wordpress.com/older-stuff/medical-journals/new-england-journal-prostate-articles/
New England Journal of Medicine, June, 2009
Duration of androgen suppression in the treatment of prostate cancer
Michel Bolla, M.D., Theodorus M. de Reijke, M.D., Ph.D., Geertjan Van Tienhoven, M.D., Ph.D., Alphonsus C.M. Van den Bergh, M.D., Ph.D., Jorg Oddens, M.D., Philip M.P. Poortmans, M.D., Ph.D., Eliahu Gez, M.D., Paul Kil, M.D., Ph.D., Atif Akdas, M.D., Guy Soete, M.D., Oleg Kariakine, M.D., Elsbietha M. van der Steen-Banasik, M.D., Elena Musat, M.D., Marianne Piérart, M.S., Murielle E. Mauer, Ph.D., Laurence Collette, Ph.D., for the EORTC Radiation Oncology Group and Genito-Urinary Tract Cancer Group
Conclusions: The combination of radiotherapy plus 6 months of androgen suppression provides inferior survival as compared with radiotherapy plus 3 years of androgen suppression in the treatment of locally advanced prostate cancer. (ClinicalTrials.gov number, NCT00003026 [ClinicalTrials.gov] .)
The European Organization for Research and Treatment of Cancer (EORTC) conducted a trial (EORTC protocol 22961) to determine whether short-term androgen suppression would both preserve quality of life and achieve the overall survival rate obtained with long-term androgen suppression.
With a median follow-up of 6.4 years, we found no serious long-term genitourinary or gastrointestinal toxicity from radiotherapy and no increase in the risk of fatal cardiovascular events. In an updated analysis of protocol 22863, the EORTC group reported a 10-year risk of death from cardiac events of 6% in the group receiving radiotherapy and long-term androgen suppression as compared with 4.2% in the group receiving radiotherapy alone.
In the early 1990s Bolla et al. began exploring the use of androgen-deprivation therapy in a different setting: adjuvant therapy in men with clinically advanced localized disease who were scheduled to receive radiation therapy.6
References
6. Bolla M, Collette L, Blank L, et al. Long-term results with immediate androgen suppression and external irradiation in patients with locally advanced prostate cancer (an EORTC study): a phase III randomised trial. Lancet 2002;360:103-108. [CrossRef][ISI][Medline]