S-Space College of Medicine/School of Medicine (의과대학/대학원) Internal Medicine (내과학전공) Journal Papers (저널논문_내과학전공)
Adjuvant and Neoadjuvant Therapy for Gastric Cancer
- Oh, Do-Youn; Bang, Yung-Jue
- Issue Date
- Current Treatment Options in Oncology, Vol.14 No.3, pp.311-320
- Gastric cancer; Adjuvant chemotherapy; Perioperative chemotherapy; Neoadjuvant chemotherapy; Adjuvant chemoradiotherapy; ACGT-GS; CLASSIC; US Intergroup 0116; MAGIC; ARTIST; D2 surgery
- To improve outcome of resectable gastric cancer, several treatment strategies have been evaluated. These include adjuvant chemotherapy, adjuvant chemoradiotherapy, and perioperative chemotherapy. The US Intergroup 0116 trial reported the benefit of postoperative chemoradiotherapy using 5-FU/leucovorin in a U.S. population. In this study, only 10 % of patients received D2 resection. For Korean patients after D2 resection, the ARTIST trial failed to show any benefit from adding radiotherapy to adjuvant chemotherapy in terms of 3-year disease-free survival. The MAGIC trial compared perioperative chemotherapy with surgery alone and reported a prolonged 5-year overall survival in the perioperative chemotherapy arm. In resectable gastric cancer, the benefit of adjuvant chemotherapy compared with surgery alone has been clearly demonstrated. After D2 dissection, S-1 adjuvant chemotherapy improved the overall survival (ACTS-GC trial) and capecitabine/oxaliplatin combination chemotherapy improved 3-year disease-free survival (CLASSIC trial). To date, for resectable gastric cancer, the use of chemotherapy in addition to surgery is beneficial for the reduction of recurrence and to improve overall survival. The optimal sequence of chemotherapy and surgery, as well as optimal chemotherapeutic agents, should be further studied. In D2-resected gastric cancer, the addition of radiotherapy to chemotherapy does not appear to provide any additional benefit.].
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