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Scoring system for predicting response to chemoradiotherapy, including 5-Fluorouracil and platinum, for patients with
Mari Kogo1, Ayako Suzuki, Kazuhiro Kaneko
1Department of Pathophysiology, Showa University School of Pharmaceutical Sciences, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, Japan. mari-k@pharm.showa-u.ac.jp
Abstract:
We have retrospectively evaluated clinical data before therapy to enable reliable prediction of the response of esophageal cancer to chemoradiotherapy (CRT). We analyzed 108 patients who received 5-fluorouracil and platinum combined with 60 Gy radiation for esophageal cancer. Factors significantly related to response were extracted by use of logistic regression analysis, and a response score (RS) was prepared by combining these factors. By multivariate analysis, nutritional status, T stage, M stage, and alkaline phosphatase were selected as significant factors that contributed independently to the response of esophageal cancer to CRT (P < 0.05). The odds ratios of the four selected factors was approximated and scored. The group with a high RS was found to include patients with complete response with a significantly higher frequency than the group with a low score (72.7% vs. 14.8%, P < 0.001). The RS is suggested to be an appropriate scoring system with which to predict response for these patients.
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