Spots Global Cancer Trial Database for Linked Color Imaging vs White Light Imaging for Detection of Gastric Cancer Precursors

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Trial Identification

Brief Title: Linked Color Imaging vs White Light Imaging for Detection of Gastric Cancer Precursors

Official Title: A Prospective Randomized Study of Linked Color Imaging and Conventional White Light Imaging in Gastroscopy for the Detection of Gastric Cancer Precursors

Study ID: NCT03990025

Conditions

Early Gastric Cancer

Barrett Esophagus

Interventions

Linked Color Imaging

White Light Imaging

Study Description

Brief Summary: This study aims to examine the use of Linked Color Imaging in detection of gastric cancer precursors, as well as oesophageal and duodenal lesions.

Detailed Description: Gastric cancer is the fifth most common cause of death worldwide. Early detection and removal of gastric cancer precursors and early gastric cancer is crucial for good outcomes. However, these lesions are subtle and often missed by conventional white light imaging (WLI) endoscopy. Image enhanced endoscopy techniques have been developed to enhance the detection and characterization of gastrointestinal lesions. Narrow band imaging (NBI) is one such technique. Though widely used, its drawbacks include a limited far view as a result of the optical filter causing a dark endoscopic view. Linked color imaging (LCI) is a more recent image enhanced endoscopy technique that acquires images by using both narrow-band wavelength light and white light in an appropriate balance, enhancing slight color differences in the red region of mucosa. It has been proven to improve detection of H pylori gastritis and colorectal neoplasms. Thus far, there has been no study to determine whether the use of LCI will increase the detection rate of gastric cancer precursors and early gastric cancer compared to WLI. This study aims to determine whether LCI can increase the detection rate of gastric cancer precursors and early gastric cancer when compared to white light endoscopy, with the null hypothesis being no difference in detection rates. This study will also examine the use of LCI with magnification to predict histology findings for focal lesions seen on endoscopy, as well as the use of LCI in identifying esophageal lesions (such as Barett's esophagus) and duodenal lesions.