首页|Normal carcinoembryonic antigen indicates benefit from perioperative chemotherapy to gastric carcinoma patients
Normal carcinoembryonic antigen indicates benefit from perioperative chemotherapy to gastric carcinoma patients
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维普
AIM:To evaluate pretreatment serum carcinoembryonic antigen (CEA) as a predictor of survival for patients with locally advanced gastric cancer receiving perioperative chemotherapy.METHODS:We retrospectively studied a cohort of 228gastric cancer patients who underwent D2 gastrectomy combined with chemotherapy at the Sun Yat-sen University Cancer Center between January 2005 and December 2009.Among them,168 patients received 6-12 cycles of oxaliplatin-based adjuvant (post-operative) chemotherapy,while 60 received perioperative chemotherapy (2 cycles of FOLFOX6 or XELOX before surgery and 4-10 cycles after surgery).Serum CEA was measured using an enzyme immunoassay.The followup lasted until December 2010.RESULTS:In the group that had elevated serum CEA,the difference in survival time between patients receiving perioperative chemotherapy and those receiving adjuvant chemotherapy had no statistical significance (P >0.05).However,in the group that had normal serum CEA,patients receiving perioperative chemotherapy had a longer survival time.In multivariate analysis,T staging and lymph node metastatic rate were independent prognostic factors for the patients.Perioperative chemotherapy improved the overall survival of patients who had a normal pretreatment CEA level (P =0.070).CONCLUSION:Normal pretreatment serum CEA is a predictor of survival for patients receiving perioperative chemotherapy.