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Bamias, A. et al.

Aristotle Bamias, George Bozas, Nikolaos Antoniou, Iraklis Poulias, Harilaos Katsifotis, Andreas Skolarikos, Dionysios Mitropoulos, Christos Alamanis, Gerassimos Alivizatos, Haralambos Deliveliotis, Meletios A. Dimopoulos,

Prognostic and predictive factors in patients with androgen-independent prostate cancer treated with docetaxel and estramustine: a single institution experience.

OBJECTIVES: To investigate potential prognostic and predictive factors in patients with androgen-independent prostate cancer (AIPC) treated with docetaxel chemotherapy. METHODS: This analysis included 94 consecutive AIPC patients who were treated between March 2001 and May 2006 with biweekly docetaxel 45 mg/m(2) (day 2) and estramustine 140 mg three dimes daily (days 1-3). RESULTS: Prostate-specific antigen (PSA) responses were observed in 45 of 84 evaluable patients (53%), whereas objective responses were observed in 16 of 40 patients with measurable disease (40%). Median survival (OS) was 16.2 mo (95% confidence interval [CI], 12.9-19.4) and median time to PSA progression (TTP) 5.0 mo (95%CI, 3.6-7.1). OS was independently associated with pain score baseline PSA and weight loss. Patients with only extraosseous disease had higher PSA response rate (87% vs. 49%, p=0.014) and superior TTP compared with patients with bone metastases with or without extraosseous disease (7.3 vs. 4.3 vs. 4 mo, p=0.002). Concurrent bone and extraosseous metastases were associated with worse prognosis compared with each site alone (median OS: 12.3 vs.19 vs.18.3 mo, p=0.007). CONCLUSIONS: Among patients with AIPC treated with biweekly docetaxel and estramustine, baseline PSA >100, existence of pain, weight loss, and simultaneous extraosseous and bone disease were associated with worse prognosis. Extraosseous metastases seem to be more sensitive than bone disease to this chemotherapy.[1]

References

Prognostic and predictive factors in patients with androgen-independent prostate cancer treated with docetaxel and estramustine: a single institution experience. Bamias, A., Bozas, G., Antoniou, N., Poulias, I., Katsifotis, H., Skolarikos, A., Mitropoulos, D., Alamanis, C., Alivizatos, G., Deliveliotis, H., Dimopoulos, M.A. Eur. Urol. (2008) [Pubmed]

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