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Novel Screening Tests for Barrett’s Esophagus

  • Esophagus (J Clarke and N Ahuja, Section Editor)
  • Published:
Current Gastroenterology Reports Aims and scope Submit manuscript

Abstract

Purpose of Review

There has been an exponential increase in the incidence of esophageal adenocarcinoma (EAC) over the last half century. Barrett’s esophagus (BE) is the only known precursor lesion of EAC. Screening for BE in high-risk populations has been advocated with the aim of identifying BE, followed by endoscopic surveillance to detect dysplasia and early stage cancer, with the intent that treatment can improve outcomes. We aimed to review BE screening methodologies currently recommended and in development.

Recent Findings

Unsedated transnasal endoscopy allows for visualization of the distal esophagus, with potential for biopsy acquisition, and can be done in the office setting. Non-endoscopic screening methods being developed couple the use of swallowable esophageal cell sampling devices with BE specific biomarkers, as well as trefoil factor 3, methylated DNA markers, and microRNAs. This approach has promising accuracy. Circulating and exhaled volatile organic compounds and the foregut microbiome are also being explored as means of detecting EAC and BE in a non-invasive manner.

Summary

Non-invasive diagnostic techniques have shown promise in the detection of BE and may be effective methods of screening high-risk patients.

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Correspondence to Prasad G. Iyer.

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Prasad G. Iyer declares research funding from Exact Sciences, Medtronic, Pentax Medical, Nine Point Medical, Consulting: Pentax Medical, CSA Medical, and Medtronic.

Don C. Codipilly declares no conflict of interest.

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Codipilly, D.C., Iyer, P.G. Novel Screening Tests for Barrett’s Esophagus. Curr Gastroenterol Rep 21, 42 (2019). https://doi.org/10.1007/s11894-019-0710-9

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