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Postoperative chemoradiotherapy for advanced gastric cancer after D2 gastrectomy.
Hepato-gastroenterology 2014 July
BACKGROUND/AIMS: The purpose of this study is to investigate the role of postoperative chemoradiotherapy with paclitaxel and cisplatin in the multimodality treatment of locally advanced gastric cancer after D2 gastrectomy.
METHODOLOGY: Sixty-five patients underwent D2 gastrectomy with stage IB-IV (M0) gastric cancers were enrolled. A postoperative radiotherapy dose of 46 Gy in 23 fractions with concurrent chemotherapy of paclitaxel and cisplatin were delivered to the patients. Chemotherapy was administrated with paclitaxel 135mg/ m2 at day 1 and 21, cisplantin 20mg/ m2 at day 1-3 and day 29-31 during the radiotherapy course. Sixty-three out off 65 eligible patients were irradiated to a total dose of 46Gy and completed two cycles of full-dose chemotherapy. Thirty-three patients died at the time of analysis.
RESULTS: The median follow-up was 68.0 months (range 1.9-119.1). The 3-year overall survival (OS) and disease-free survival (DFS) were 78.5% and 73.2%, respectively. The 5-year OS and DFS were 57.4% and 54.8%, respectively. Toxicity was tolerant. The main toxicities were gastrointestinal disorder, hematologic toxicity and hair loss.
CONCLUSION: This novel postoperative chemoradiotherapy regimen for patients with gastric cancer after D2 gastrectomy had a tolerable toxicity, however, it did not decrease the local recurrence rate.
METHODOLOGY: Sixty-five patients underwent D2 gastrectomy with stage IB-IV (M0) gastric cancers were enrolled. A postoperative radiotherapy dose of 46 Gy in 23 fractions with concurrent chemotherapy of paclitaxel and cisplatin were delivered to the patients. Chemotherapy was administrated with paclitaxel 135mg/ m2 at day 1 and 21, cisplantin 20mg/ m2 at day 1-3 and day 29-31 during the radiotherapy course. Sixty-three out off 65 eligible patients were irradiated to a total dose of 46Gy and completed two cycles of full-dose chemotherapy. Thirty-three patients died at the time of analysis.
RESULTS: The median follow-up was 68.0 months (range 1.9-119.1). The 3-year overall survival (OS) and disease-free survival (DFS) were 78.5% and 73.2%, respectively. The 5-year OS and DFS were 57.4% and 54.8%, respectively. Toxicity was tolerant. The main toxicities were gastrointestinal disorder, hematologic toxicity and hair loss.
CONCLUSION: This novel postoperative chemoradiotherapy regimen for patients with gastric cancer after D2 gastrectomy had a tolerable toxicity, however, it did not decrease the local recurrence rate.
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