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Prognostic value of claudin 18.2 expression in gastric adenocarcinoma

World Journal of Gastrointestinal Oncology 2023年第2期15卷 343-351页

作者： erkan kayikcioglu Ramazan Oğuz Yüceer Bulent Cetin Kamuran Yüceer Nermin Karahan Department of Medical Oncology Suleyman Demirel UniversityIsparta 32260Turkey Department of Pathology Isparta City HospitalIsparta 32360Turkey Department of Internal Medicine Suleyman Demirel UniversityFaculty of MedicineIsparta 32360Turkey Department of Pathology Suleyman Demirel UniversityIsparta 32360Turkey

BACKGROUND Claudin 18.2(CLDN18.2)is a cell surface protein expressed by gastric cancer *** monoclonal antibody zolbetuximab binds CLDN18.2-positive cancer cells and causes cancer cell death.A few studies researched the prognostic effect of CLDN18.2 expression in metastatic gastric *** To identify the prognostic value of CLDN18.2 expression in patients with metastatic gastric *** This study was conducted with 65 patients over the age of 18 who were diagnosed with metastatic gastric *** investigated the effect of CLDN18.2 expression on clinicopathological characteristics(age,sex,histological grade,Lauren classification,family history,metastatic site,HER2 expression)and prognosis for patients with metastatic gastric *** CLDN18.2 expression was positive in 73.8%(48)of the *** the median 17.7-mo follow-up period,89.2%(58)of the patients *** progression-free survival and overall survival(OS)were 6 mo(95%confidence interval:1.6-10.4)and 12 mo(95%confidence interval:7.5-16.5).There was no statistically significant correlation between CLDN18.2 expression and clinicopathological characteristics of the *** univariate and multivariate Cox regression analysis,there was no correlation between clinicopathological characteristics of patients and progression-free survival or *** CLDN18.2 expression was quite high in patients with gastric adenocarcinoma,identifying the proportion of the patients in whom zolbetuximab would be *** is no statistically significant correlation with clinicopathological characteristics and ***18.2 is not a prognostic marker in patients with gastric adenocarcinoma,although it is predictive.

关键词： Gastric adenocarcinoma Claudin 18.2 Overall survival Clinicopathological characteristics

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