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KMID : 1141820200200040395
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Journal of Gastric Cancer
2020 Volume.20 No. 4 p.395 ~ p.407
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Phase II Study of Preoperative Intra-Arterial Epirubicin, Etoposide, and Oxaliplatin Combined with Oral S-1 Chemotherapy for the Treatment of Borrmann Type 4 Gastric Cancer
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Xiang Xiao-Song
Su Yu
Li Guo-Li
Ma Long
Zhou Chang-Sheng
Ma Ru-Feng
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Abstract
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Purpose: A phase II study was conducted to evaluate the safety and efficacy of preoperative, intra-arterial perfusion of epirubicin, etoposide, and oxaliplatin combined with oral chemotherapy S-1 (SEEOX) for the treatment of type 4 gastric cancer.
Materials and Methods: A single-center, single-arm phase II trial was conducted on 36 patients with histologically proven type 4 gastric cancer without distant peritoneal or organ metastasis. Patients received 3, 21-day courses of SEEOX preoperative chemotherapy. The primary endpoint was overall survival (OS) and the secondary outcomes assessed were chemotherapeutic response, radical resection rate, pathological regression, toxicities, postoperative morbidity, and mortality.
Results: All patients were at an advanced stage of cancer (stage III or IV) and completed the entire course of treatment. Based on changes in tumor volume and peritoneal metastasis, the objective response rate was 55.6% (20/36; 95% confidence interval [CI], 38.5%?72.6%) and the disease control rate was 69.4% (25/36; 95% CI, 53.6%?85.3%). The radical resection rate was 75% (27/36; 95% CI, 60.1%?89.9%) and the proportion of R0 resections was 66.7% (21/36; 95% CI, 50.5%?82.8%). The pathological response rate was 33.3%, of which 13.9% showed complete pathological regression. The median survival was 27.1 months (95% CI, 22.24?31.97 months), and the 2-year OS was 48.5% (95% CI, 30.86%?66.1%).
Conclusions: Preoperative SEEOX is a safe and effective treatment for type 4 gastric cancer. Based on these preliminary data, a phase III study will be conducted to confirm the superiority of this regimen over standard treatment.
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KEYWORD
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Gastric cancer, Neoadjuvant chemotherapy, Linitis plastica
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