Weekly Low-Dose Docetaxel in Advanced Hormone-Resistant Prostate Cancer Patients Previously Exposed to Chemotherapy

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Abstract
Objective: The aim of this study was to evaluate the activity and tolerability of docetaxel in patients with hormone-resistant prostate cancer previously exposed to chemotherapy. Methods: We enrolled 27 patients with hormone-resistant prostatic cancer that had progressed during first-line chemotherapy. The primary end-point was palliative response defined as a 2-point reduction in the 6-point present pain intensity scale, and an improvement in Karnofsky performance status of one 10-point category. The treatment consisted of weekly docetaxel 25 mg/m² body surface area administered by means of a 1-hour intravenous infusion with corticosteroid premedication. Results: The primary criterion of palliative response was met in 13 patients (48%) after eight treatment cycles; its median duration was 6 months (range 1–8). Mean global quality of life improved in 8 and 10 patients after respectively four and eight treatment cycles. After a median follow-up of 8 months, 21 patients had died: the median survival was 9+ months (range 2–18). Weekly docetaxel was very well tolerated: grade 3 neutropenia occurred in 1 patient and grade 3 anemia in 2. Conclusions: Weekly low-dose docetaxel is an effective and well-tolerated treatment for patients with hormone-resistant prostate cancer previously exposed to chemotherapy.