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Medline ® Abstract for Reference 28

of 'Chemotherapy in castration-resistant prostate cancer'

Paclitaxel in combination with carboplatin as salvage treatment in patients with castration-resistant prostate cancer: a Hellenic oncology research group multicenter phase II study.
Kentepozidis N, Soultati A, Giassas S, Vardakis N, Kalykaki A, Kotsakis A, Papadimitraki E, Pantazopoulos N, Bozionellou V, Georgoulias V
Cancer Chemother Pharmacol. 2012 Jul;70(1):161-8. Epub 2012 Jun 3.
INTRODUCTION: To evaluate the efficacy and tolerance of biweekly paclitaxel and carboplatin combination in patients with castration-resistant prostate cancer.
PATIENTS AND METHODS: Patients were treated with paclitaxel at the dose of 135 mg/m(2) followed by carboplatin AUC 3 on day 1 every 2 weeks in cycles of 28 days.
RESULTS: Thirty-eight patients with castration-resistant prostate cancer were enrolled, and all of them had received frontline chemotherapy with docetaxel and prednisone, while 24 (63.2 %) had received 2 or more prior chemotherapy regimens. In an intention-to-treatment analysis, a clinical and/or biochemical response (>50 % decline) was observed in 10 patients (26.3 %; 95 % CI, 12.3-40.3 %), stable disease in 13 (34.2 %) and progressive disease in 15 (39.5 %). The median duration of response was 6.1 months (range, 1.0-9.8), the median time to tumor progression (TTP) 3.6 months(95 % CI, 2.1-5.2) and the median overall survival 9.9 months (95 % CI, 6.2-13.6). The probability for 1-year survival was 43 %. Grade 3 and 4 neutropenia was observed in three (7.9 %) and nine (23.7 %) patients, respectively.
CONCLUSION: The biweekly administration of paclitaxel/carboplatin regimen in patients with castration-resistant prostate cancer is an active and well-tolerated regimen which merits to be further evaluated in the context of salvage treatment.
Department of Medical Oncology, 251 Air Force Hospital, 3, P. Kanellopoulou Str., 115 25 Athens, Greece. georgsec@med.uoc.gr