A retrospective study of docetaxel or paclitaxel in patients with advanced or recurrent esophageal squamous cell carcinoma who previously received fluoropyrimidine- and platinum-based chemotherapy
Fluoropyrimidine plus platinum (FP)-based chemotherapy has been widely used as a first-line regimen for advanced or recurrent esophageal cancer, and taxanes have shown efficacy after FP-based chemotherapy, but there is no standard regimen for second-line chemotherapy (SLC). We retrospectively investigated the clinical features of taxane therapy in SLC for esophageal squamous cell carcinoma (ESCC).
The selection criteria were pathologically proven ESCC; advanced or recurrent disease previously treated with FP at our hospital; performance status (PS) 0–2; and adequate organ function. Docetaxel (DTX) was administered 3-weekly at 70 mg/m2. Paclitaxel (PTX) was administered at 100 mg/m2 weekly for 6 weeks, with 1 week’s rest.
The analysis covered 163 patients from August 2006 to June 2012. Median age was 64 years (range 37–83: DTX group 132 patients and PTX group 31). Progression-free survival and median overall survival (OS) were 2.3 and 6.1 months, respectively, with PTX and 2.3 and 5.3 months with DTX. Response rates were 20.7 % for PTX and 5.9 % for DTX. The rate of grades 3–4 neutropenia was higher with DTX (32.6 %) than with PTX (16.1 %). Grade 3 febrile neutropenia was seen in 6.1 % of DTX recipients but in no PTX group. According to multivariate analyses of OS, PS 2, number of metastatic sites ≧2, and CRP ≧1 mg/dL were independent predictors of poor prognosis.
PTX and DTX were both effective in SLC for ESCC, but their toxicity profiles differed. In terms of febrile neutropenia, PTX seems more appropriate.
KeywordsDocetaxel Esophageal squamous cell carcinoma Paclitaxel Prognostic factor Second-line chemotherapy
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