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Medline ® Abstract for Reference 15

of 'Chemotherapy in castration-resistant prostate cancer'

Phase II trial evaluating a docetaxel-capecitabine combination as treatment for hormone-refractory prostate cancer.
Ferrero JM, Chamorey E, Oudard S, Dides S, Lesbats G, Cavaglione G, Nouyrigat P, Foa C, Kaphan R
Cancer. 2006;107(4):738.
BACKGROUND: Docetaxel is a well-recognized drug in patients with hormone-refractory prostate cancer (HRPC), either alone or combined with estramustine. In this indication, a Phase II trial was conducted investigating a docetaxel-capecitabine combination.
METHODS: Forty-six patients presenting with documented HRPC were enrolled in the study. The treatment regimen consisted of docetaxel (D) at a dose of 35 mg /m2/week (intravenously, 3 consecutive weeks) plus oral capecitabine (C) at a dose of 625 mg/m2 twice daily (Days 5-18) every 28 days for 4 cycles. The primary endpoint was the biological response defined as a reduction in prostate-specific antigen (PSA) level>or =50%. Secondary endpoints were overall survival, safety, and quality of life.
RESULTS: Thirty of 44 assessable patients (68.2%) achieved a biological response, 14 of whom (31.8%) normalized their PSA value. The median overall survival time was 17.7 months (95% confidence interval, 15.8 to not reached). Four treatment cycles were completed by 87% of the patients. Hematologic toxicity was mild. The main Grade 3-4 toxicities were cutaneous toxicity (13.1%) and changes in nails (6.5%). Physical functioning and role scales were higher before treatment (P = .02 and P = .003, respectively), fatigue and diarrhea were more frequent during and after treatment (P = .0003 and P = .03, respectively), and pain was lower during and after treatment.
CONCLUSIONS: The results of the current study demonstrated the high efficacy of the DC combination in patients with HRPC, and the associated good tolerability. This combination offers a new alternative to the docetaxel-estramustine combination. Further randomized trials are warranted.
Department of Medical Oncology, Centre Antoine Lacassagne, Nice, France. jean-marc.ferrero@cal.nice.fnclcc.fr