期刊
GASTRIC CANCER
卷 25, 期 1, 页码 180-187出版社
SPRINGER
DOI: 10.1007/s10120-021-01218-0
关键词
Gastric cancer; Esophagogastric junction cancer; Neoadjuvant chemotherapy; SOX; Anastomotic leakage
资金
- CReS Kyushu
- Yakult Honsha Co., Ltd., Japan [KSCC1601]
The SOX130 regimen demonstrated significant benefits for locally advanced gastric cancer and esophagogastric junction cancer in this study. However, special attention should be paid to anastomotic leakage during surgery for esophagogastric junction cancer.
Background Perioperative chemotherapy is the standard of care for locally advanced gastric cancer (LAGC). This phase II study investigated the efficacy and safety of S-1 and oxaliplatin (SOX) as neoadjuvant chemotherapy (NAC) for LAGC and esophagogastric junction cancer (EGJC). Methods Patients completed up to three cycles of SOX130 (oxaliplatin 130 mg/m(2) on day 1, oral S-1 40-60 mg twice daily for 2 weeks every 3 weeks), followed by gastrectomy and D2 lymphadenectomy. The primary endpoint was the pathological response rate (pRR). The anastomosis leakage rate was the secondary endpoint in patients with EGJC, and other secondary endpoints were the R0 resection, overall survival (OS), and relapse-free survival (RFS) rates. Results Between April 2016 and July 2017, 47 patients (24 EGJC, 23 LAGC) were enrolled in this study. Forty-two patients (89.4%, 95% confidence interval [CI] = 76.9-96.5) underwent surgery, and R0 resection was achieved in 41 patients. The pRR was 59.5% (90% CI = 45.7-72.3). The major grade 3 or 4 toxicities were appetite loss in six patients (12.8%), thrombocytopenia in five patients (10.6%), and neutropenia and diarrhea in three patients (6.4%) each. The rate of severe anastomotic leakage (Clavien-Dindo classification grade III or higher) in 20 EGJC was 25.0% (90% CI = 10.4-45.6). The 3-year OS and RFS rate were 62.9% (95% CI = 47.2-75.1) and 53.2% (95% CI = 38.1-66.2), respectively. Conclusion SOX130 demonstrated substantial benefit for LAGC and EGJC. However, special attention should be paid to anastomotic leakage during surgery for EGJC.
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