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Original Articles

Serial Endoscopic Evaluation of Esophageal Disease in a Cancer Model: A Paradigm Shift for Esophageal Adenocarcinoma (EAC) Drug Discovery and Development

, , , , , , , , , , , , & show all
Pages 363-370 | Received 05 Dec 2017, Accepted 22 Jun 2018, Published online: 24 Aug 2018
 

Abstract

A rat model of surgically induced reflux recapitulates the development and progression of human esophageal adenocarcinoma (EAC). In this study, reflux was induced in rats followed by postoperative endoscopy with biopsy, to diagnose and monitor disease progression.

Overall, percentage agreement between visual endoscopy and gold standard histology was 95%, with disease-specific classification accuracies of 100% and 75% for Barrett’s with dysplasia and EAC, respectively. Additionally, the percentage agreement for biopsy in tumors >4 mm was 75%. Thereby, establishing endoscopic evaluation as a reliable tool to assess disease progression and provide biopsies for downstream correlates in a de novo EAC model.

Acknowledgments

Nothing to report.

Declaration of interest

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the article.

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