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Bicalutamide 150 mg in addition to standard care for patients with early non-metastatic prostate cancer: updated results from the Scandinavian Prostate Cancer Period Group-6 Study after a median follow-up period of 7.1 years
Örebro University, Department of Clinical Medicine.
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2006 (English)In: Scandinavian Journal of Urology and Nephrology, ISSN 0036-5599, E-ISSN 1651-2065, Vol. 40, no 6, p. 441-452Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: The Early Prostate Cancer (EPC) programme is evaluating the efficacy and tolerability of bicalutamide following standard care (radiotherapy, radical prostatectomy or watchful waiting) in patients with localized (T1-2, N0/Nx) or locally advanced (T3-4, any N; or any T, N + ) non-metastatic prostate cancer. Herein we report the latest findings after a median follow-up period of 7.1 years from the Scandinavian Prostate Cancer Group (SPCG)-6 study, one of three trials in the EPC programme. MATERIAL AND METHODS: A total of 1218 patients were randomized on a 1:1 basis to either bicalutamide 150 mg/day (n=607) or placebo (n=611) following standard care; 81.4% were followed conservatively (watchful waiting). The primary endpoints were objective progression-free survival (PFS) and overall survival (OS). RESULTS: In patients with localized disease there was no significant difference in PFS [hazard ratio (HR) 0.85; 95% CI 0.69-1.06; p=0.15] and a trend towards decreased OS with bicalutamide plus standard care compared with standard care alone (HR 1.23; 95% CI 0.96-1.58; p=0.11). In patients with locally advanced disease, bicalutamide significantly improved PFS, reducing the risk of progression by 53% compared with standard care alone (HR 0.47; 95% CI 0.37-0.59; p<0.001). The median time to progression was 8.8 years for bicalutamide plus standard care and 7.1 years for standard care alone. There was a significant improvement in OS with bicalutamide plus standard care, with a reduction in the risk of death of 35% versus standard care alone (HR 0.65; 95% CI 0.50-0.85; p=0.001). CONCLUSION: This analysis of the SPCG-6 study showed that bicalutamide plus standard care offers significant PFS and OS benefits for patients with locally advanced disease, but not for those with localized disease.

Place, publisher, year, edition, pages
London: Taylor & Francis , 2006. Vol. 40, no 6, p. 441-452
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Medical and Health Sciences Cancer and Oncology
Research subject
Medicine
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URN: urn:nbn:se:oru:diva-11163DOI: 10.1080/00365590601017329PubMedID: 17130095OAI: oai:DiVA.org:oru-11163DiVA, id: diva2:325484
Available from: 2010-06-18 Created: 2010-06-18 Last updated: 2017-12-12Bibliographically approved

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Johansson, Jan-Erik

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