The Kurume Medical Journal
Online ISSN : 1881-2090
Print ISSN : 0023-5679
ISSN-L : 0023-5679

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Definitive Radiotherapy Following Induction Chemotherapy for Hypopharyngeal Cancer: Selecting Candidates for Organ-Preserving Treatment Based on the Response to Induction Chemotherapy
TAKESHI YANAGIYUTA SHIBAMOTOHIROYUKI OGINOFUMIYA BABATARO MURAIAIKO NAGAIAKIFUMI MIYAKAWACHIKAO SUGIE
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ジャーナル フリー 早期公開

論文ID: MS65003

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Summary: Objective The outcomes of induction chemotherapy followed by radiotherapy for hypopharyngeal carcinoma were analyzed to determine whether response to induction chemotherapy could be a useful parameter for selecting candidates for organ-preserving therapy. Methods Forty-three patients with hypopharyngeal carcinoma were treated with definitive radiotherapy with or without concurrent chemotherapy following induction chemotherapy. The predominant induction chemotherapy regimens involved cisplatin and 5-fluorouracil with or without docetaxel. The patients that responded to the induction chemotherapy received definitive organ-preserving treatment. Patients who did not respond to induction chemotherapy were considered for surgery, but only those patients who underwent definitive radiotherapy were analyzed in this study. Conventional radiotherapy was administered in all patients. The associations between clinical parameters including age, sex, performance status (PS), tumor site, T-category, N-category, stage, the regimen of induction chemotherapy, the response to induction chemotherapy, the presence/absence of concurrent chemotherapy, overall survival (OS), and local control (LC) were analyzed. Results Among the surviving patients, the follow-up period ranged from 10-145 months (median: 46 months). The 3-year OS and LC rates for all 43 patients were 61% and 70%, respectively. The 3-year OS and LC rates of the responders were 73% and 81%, respectively, whereas those of the non-responders were 29% and 40%, respectively. In multivariate analysis, only PS was correlated with overall survival (p=0.03). The complication rates were acceptable in all groups. Conclusion Responders to induction chemotherapy appear to be good candidates for definitive organ-preserving treatment. Chemoselection appears to aid treatment selection in patients with hypopharyngeal carcinoma.
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© 2016 Kurume University School of Medicine
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