Docetaxel-Based Chemotherapy in Elderly Patients (Age 75 and Older) with Castration-Resistant Prostate Cancer

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Abstract

Background: There are no data on the patterns of care and outcome of very elderly patients with castration-resistant prostate cancer (CRPC) treated with docetaxel. Objective: To assess the routine use of first-line docetaxel-based chemotherapy in CRPC patients aged >75 yr. Design, setting, and participants: We reviewed the clinical files of 175 patients aged ≥75 yr with CRPC treated with first-line docetaxel in nine French tertiary care cancer centres from 2000 to 2007. Measurements: Response rate, survival, and adverse events (AE). Results and limitations: Median age was 78 yr. Ninety-five patients (54%) received a standard 3-wk regimen (SR), and 80 patients (46%) received an adapted regimen (AR) delivered on a weekly schedule with various times for rest periods. Patients treated with an AR were older (>80 yr) and had poorer performance status (PS; ≥2) than patients treated with the SR. The prostate-specific antigen (PSA) response rates were not significantly different between the standard and adapted treatment groups (71% vs 68%, p = 0.79). The median progression-free survival (PFS) was 7.4 mo. The median overall survival (OS) was 15 mo. The incidence of grade 3 or 4 AEs was 46% and was correlated with poor PS and the presence of visceral disease but not with the regimen. Early discontinuation of treatment because of toxicity occurred more frequently in the AR group than in the SR group (30% vs 8.4%, p = 0.0005). In multivariate analysis, only PS and the presence of visceral disease were predictors of OS. Conclusions: Docetaxel is active and feasible in elderly patients with good PS. The optimal treatment of frail patients with CRPC remains to be established. Geriatric tools should be used to more accurately detect elderly CRPC patients who are unfit for chemotherapy. Age by itself should not be used as a criterion to deny patients with CRPC a potentially effective chemotherapy. © 2008 European Association of Urology.

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Italiano, A., Ortholan, C., Oudard, S., Pouessel, D., Gravis, G., Beuzeboc, P., … Fizazi, K. (2009). Docetaxel-Based Chemotherapy in Elderly Patients (Age 75 and Older) with Castration-Resistant Prostate Cancer. European Urology, 55(6), 1368–1376. https://doi.org/10.1016/j.eururo.2008.07.078

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