Opinion statement
Purpose of review
There is a pressing need for effective strategies to halt the increase in both the incidence and mortality of esophageal adenocarcinoma (EAC). Screening for Barrett’s esophagus, which is the only known precursor of EAC, remains a ripe area for research, particularly with regard to identifying the target population, screening tools, and management of screen-detected populations. This review aims to explore in depth the rationale for screening for Barrett’s esophagus, recent biotechnological advances which may have the potential of making screening feasible, and also highlight the challenges which will have to be overcome in order make screening for BE a realistic prospect.
Recent findings
Imaging techniques such as portable transnasal endoscopy have the advantage of providing an immediate diagnosis of Barrett’s esophagus as well as other significant pathologies such as reflux esophagitis and cancer; however, larger studies in non-enriched community screening populations are required to evaluate their feasibility. The capsule sponge is a cell-sampling device coupled with a biomarker, which has been most extensively evaluated with very promising results as regards feasibility, acceptability, accuracy, and cost-effectiveness. Its effectiveness in increasing the detection of Barrett’s esophagus in primary care is currently being evaluated. Several Barrett’s esophagus risk prediction scores have been developed with variable degrees of accuracy.
Summary
Several minimally and non-invasive screening techniques have been studied including imaging and cell-sampling devices. Barrett’s risk assessment models need to be further validated in independent, relevant screening populations with clear cut-offs for recommending screening to be defined.
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Abbreviations
- AUROC:
-
Receiver operating characteristic curve
- BE:
-
Barrett’s esophagus
- BMI:
-
Body mass index
- EAC:
-
Esophageal adenocarcinoma
- GERD:
-
Gastroesophageal reflux disease
- GWAS:
-
Genome-wide association study
- HGD:
-
High-grade dysplasia
- LGD:
-
Low-grade dysplasia
- LOH:
-
Loss of heterozygosity
- LSBE:
-
Long-segment Barrett’s esophagus
- M-BERET:
-
Michigan Barrett’s Esophagus pREdiction Tool
- NDBE:
-
Non-dysplastic Barrett’s esophagus
- OSA:
-
Obstructive sleep apnea
- OR:
-
Odds ratio
- SIM:
-
Small intestinal metaplasia
- TFF3:
-
Trefoil factor 3
- TNE:
-
Transnasal endoscopy
- ECE:
-
Esophageal capsule endoscopy
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The editors would like to thank Dr. Gary Falk for taking the time to review this manuscript.
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Prasad G. Iyer: guarantor of this article, contributed to the design of the study, and critical review of the subsequent drafts of the manuscript.
Sarmed S. Sami: contributed to the design, literature search, and data collection and written the first draft of manuscript.
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Sarmed S. Sami declares no conflict of interest. Prasad G. Iyer has received a grant from the National Cancer Institute (U54 CA163004).
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Sami, S.S., Iyer, P.G. Recent Advances in Screening for Barrett’s Esophagus. Curr Treat Options Gastro 16, 1–14 (2018). https://doi.org/10.1007/s11938-018-0166-2
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DOI: https://doi.org/10.1007/s11938-018-0166-2