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. 2011 Oct-Dec;16(4):738-43.

Survival benefit during zoledronic acid and docetaxel-based chemotherapy in metastatic hormone-refractory prostate cancer patients: an institutional report

G F Samelis  1 , K A Ekmektzoglou, A Tsiakou, S Giannakaki, D Georgoulias, K Christophilopoulos
Affiliations
  • PMID: 22331731

Survival benefit during zoledronic acid and docetaxel-based chemotherapy in metastatic hormone-refractory prostate cancer patients: an institutional report

G F Samelis et al. J BUON. 2011 Oct-Dec.

Abstract

Purpose: To assess the overall survival (OS) of metastatic hormone-refractory prostate cancer (mHRPC) patients when treated with zoledronic acid (ZOL) in combination with docetaxel-based chemotherapy (docetaxel combined with estramustine or oxaliplatin or gemcitabine).

Methods: A retrospective chart review of mHRPC patients in our clinic was performed. At the time of data collection, 23 patients with mHRPC were identified, of which 15 were still alive at data analysis. Survival data was analyzed through Kaplan-Meier methodology. OS stratification by prostatic specific antigen (PSA) response (50% and 80% decline) and multivariate analysis of prognostic variables were also conducted.

Results: 182 cycles of chemotherapy (mean 8.27 cycles, range 1-23) were recorded. Median OS was 26 months (range 5-56; 95% CI: 4.0-48.0). No patient achieved complete response (CR), 5 (21.7%) showed partial response (PR), 2 (8.7%) minor response (MR), 7 (30.4%) stable disease (SD) and 9 (39.1%) progressive disease (PD). Twelve (52.2%) patients exhibited a decrease in PSA levels >50% (9 of 12 >80%). No association of age, PSA response, or tumor response with OS could be demonstrated. The most frequent toxicities were anaemia (52.1%) and neutropenia (26%).

Conclusion: In our clinical setting, ZOL and docetaxel- containing chemotherapy was a beneficial therapeutic scheme for the patients in terms of safety and survival.

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