Preoperative chemoradiotherapy in locally advanced gastric cancer, a phase I/II feasibility and efficacy study

Abstract Objectives This study was initiated to investigate the feasibility and efficacy of preoperative radiotherapy with weekly paclitaxel and carboplatin in locally advanced gastric cancer. Methods In a prospective study, patients with locally advanced gastric cancer stage IB-IV(M0) were treated...

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Published inRadiotherapy and oncology Vol. 112; no. 2; pp. 284 - 288
Main Authors Trip, Anouk K, Poppema, Boelo J, van Berge Henegouwen, Mark I, Siemerink, Ester, Beukema, Jannet C, Verheij, Marcel, Plukker, John T.M, Richel, Dick J, Hulshof, Maarten C.C.M, van Sandick, Johanna W, Cats, Annemieke, Jansen, Edwin P.M, Hospers, Geke A.P
Format Journal Article
LanguageEnglish
Published Ireland Elsevier Ireland Ltd 01.08.2014
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Summary:Abstract Objectives This study was initiated to investigate the feasibility and efficacy of preoperative radiotherapy with weekly paclitaxel and carboplatin in locally advanced gastric cancer. Methods In a prospective study, patients with locally advanced gastric cancer stage IB-IV(M0) were treated with chemoradiotherapy followed by surgery 4–6 weeks after the last irradiation. Chemoradiotherapy consisted of radiation to a total dose of 45 Gy given in 25 fractions of 1.8 Gy, combined with concurrent weekly carboplatin and paclitaxel. Results Between December 2007 and January 2012, 25 patients with cT3 (64%) or cT4 (36%) gastric cancer were included. One patient discontinued concurrent chemotherapy in the 4th week due to toxicity, but completed radiotherapy. Another patient discontinued chemoradiotherapy after the 3rd week due to progressive disease. Grade III adverse events of chemoradiotherapy were: gastrointestinal 12%, haematological 12% and other 8%. All patients, except one who developed progressive disease, were operated. Surgical complications were: general/infectious 48%, anastomotic leakage 12%, and bowel perforation 8%. Postoperative mortality was 4%. Microscopically radical resection rate was 72%. Pathological complete response rate was 16% and near complete response rate 24%. Conclusions In this study, preoperative chemoradiotherapy for patients with locally advanced gastric cancer was associated with manageable toxicity and encouraging pathological response rates.
Bibliography:ObjectType-Article-2
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ISSN:0167-8140
1879-0887
DOI:10.1016/j.radonc.2014.05.003