• Dennis Gong, Daniel Lunz, James S Stover, and Stephen J Meltzer.
• Capsulomics, Baltimore, MD.
• Medicine (Baltimore). 2022 Sep 16; 101 (37): e30503e30503.

AbstractThis study sought to characterize the utility of a gene methylation-based biomarker test that has been validated to predict progression towards esophageal adenocarcinoma. Barrett esophagus (BE) is a precursor condition for esophageal adenocarcinoma (EAC) with somewhat variable approaches among gastroenterologists toward managing neoplastic progression risk. Capsulomics has developed a validated multigene DNA methylation-based biomarker assay performed on BE biopsies designed to address this variability by classifying BE patients into progression risk groups. In the current study, a survey was administered to practicing gastroenterologists in order to assess the potential impact of this assay on clinical practice. In this context, 89% (95% Cl: 85.4-92.6%) of surveyed physicians felt strongly that the multigene Barrett Esophagus test helped resolve uncertainties and optimize care of patients with BE by impacting their decisions on surveillance intervals and use of active treatments, such as ablation. The assay significantly impacted surveillance intervals for both high-risk (22.0 no assay vs 12.3 months with assay; P = 1.7E-8) and low-risk (7.9 no assay vs 11.4 months with assay, P = 8.8E-4) stratified case results. Finally, the assay also significantly impacted decisions to pursue active ablation treatments in both high-risk (5% recommending ablation without assay vs 42% with assay; P = 3.7E-11) and low-risk (42% recommending ablation without assay vs 29% with assay; P = .049) stratified case results. Results demonstrated a strong effect of the assay on clinical decision making, even in conjunction with established clinical guidelines.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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