Nanoparticle albumin-bound paclitaxel(nab-PTX)was approved for the treatment of gastric cancer without a large-scale clinical trial in Japan. Its safety and efficacy should be validated in clinical practice. We retrospectively investigated prognostic factors related to time to treatment failure(TTF)in 11 patients with unresectable or recurrent gastric cancer treated with nab- PTX in our hospital. In univariate analysis, Onodera's prognostic nutritional index(PNI)and the time from the start of first-line chemotherapy to the start of nab-PTX were related to TTF. In multivariate analysis, Onodera's PNI was identified as an independent predictive factor for TTF (hazard ratio 0.056, p=0.022). PNI could contribute to adequate patient selection and the improvement of nab-PTX therapy efficacy ingastric cancer.
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