Predictive and prognostic role of E-cadherin protein expression in patients with advanced gastric carcinomas treated with palliative chemotherapy

Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine
Francesco GrazianoMauro Magnani

Abstract

Loss of E-cadherin expression has been related with an adverse outcome in patients with resected gastric cancer. More recently, experimental models with cancer cell lines showed that chemosensitivity may be affected by the E-cadherin expression status. We investigated whether E-cadherin expression is correlated with the response to chemotherapy and the survival of patients with advanced gastric cancer. Consecutive patients with advanced gastric cancer who underwent palliative chemotherapy were considered eligible for study entry. Measurable disease, complete follow-up information and availability of tumor specimens for immunohistochemistry were mandatory inclusion criteria. In 70 assessable patients, 30 patients had locoregional disease and 40 patients had visceral metastases. Chemotherapy consisted of cisplatin/fluorouracil/folinic acid in 33 patients and cisplatin/fluorouracil/epirubicin/folinic acid in 37 patients. There were 13 patients with complete response, 20 with partial response, 20 with stable disease and 17 patients progressed. Thirty-eight patients had > 80% E-cadherin-positive cancer cells (positive E-cadherin expression); 15 cases showed 25-70% (reduced E-cadherin expression), and in the remaining 17 cases E-cadh...Continue Reading

Citations

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