Spots Global Cancer Trial Database for The Diagnostic Ability of White Light Endoscopy and Magnifying Endoscopy With Optical Enhancement System
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Trial Identification
Brief Title: The Diagnostic Ability of White Light Endoscopy and Magnifying Endoscopy With Optical Enhancement System
Official Title: Evaluation of the Diagnostic Ability of White Light Endoscopy and Magnifying Endoscopy With Optical Enhancement System in Early Gastric Cancer and Intraepithelial Neoplasia: a Prospective Randomized Controlled Trial
Study ID: NCT04411589
Conditions
Study Description
Brief Summary: The purpose of this study is to valuation of the diagnostic ability of white light imaging and magnifying endoscopy with optical enhancement system in early gastric cancer and intraepithelial neoplasia.
Detailed Description: Stomach cancer is the second most common cause of cancer death. Endoscopic identification and treatment of gastric intestinal metaplasia (GIM) and early gastric cancer (EGC) is essential to improve patients' 5-year survival rates. Conventional endoscopy with white light imaging (WLI) is widely used for endoscopic evaluation of EGCs. However, conventional endoscopic visualization of EGCs has a high rate of interobserver variability and correlates poorly with the histological findings. For this reason, diagnosis has been based mostly on repeated endoscopy with multiple biopsy samples. It has been reported that optical enhancement (OE) system is useful for discriminating cancerous lesions from non-cancerous lesions. The OE system is the newly developed image-enhanced endoscopic technology, which combines high definition white light endoscopy (WLE) and optical filters that limit the spectral characteristics of the illumination light. The optical filters can achieve higher overall transmittance by connecting the peaks of the hemoglobin absorption spectrum creating a continuous wavelength spectrum. Magnifying endoscopy is useful for observing the mucosal structures and microvessels. The VS theory proposed by Yao K is widely used in Magnifying endoscopy with optical enhancement system (ME-OE). Based on technical considerations, it is conceivable that ME-OE imaging techniques might have a distinct advantage over WLE in the diagnosis of endoscopic lesions. However, few reports have objectively proved that ME-OE is superior to WLE in the detection rate and diagnostic efficiency of EGCs.
Eligibility
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Locations
Department of Gastroenterology, Qilu Hospital, Shandong University, Jinan, Shandong, China
Contact Details
Name: Yanqing Li, MD, PhD
Affiliation: Shandong University Qilu hosipital, China
Role: PRINCIPAL_INVESTIGATOR
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