Colonic Polyp Clinical Trial
Official title:
Linked Color Imaging (LCI) Versus Standard White-light Colonoscopy for Colorectal Adenoma Detection: a Multicenter, Randomized, Trial
Linked color imaging (LCI) is newly developed image-enhancing endoscopy technology that
differentiates the red color spectrum more effectively than white light imaging thanks to its
optimal pre-process composition of light spectrum and advanced signal processing. This
technology, combined in the latest generation Fujifilm's endoscopes (Fujifilm Co, Tokyo,
Japan) with new high-performance LED illumination system, enhances the visibility of colonic
mucosal vessels and might increase the detection rate of colorectal polyps. Data available
regarding colorectal polyp or adenoma detection with LCI are encouraging but are scanty and
limited to back-to back studies.
This two parallel arms, randomized, multicenter trial is aimed at evaluating whether LCI is
superior to WL endoscopy in terms of adenoma detection
50-75 years-old subjects participating in the regional screening program undergoing their
first colonoscopy following a positive immunochemical fecal occult blood test (FIT) and
meeting all eligibility criteria are randomised 1:1 to LCI (LCI group) or WLI (WL) during
insertion and withdrawal phase of colonoscopy. A randomisation list for each participating
center was produced by the coordinating center via computer-generated treatment code list.
Randomisation is stratified by gender, age (50-60, 61-729 years) and screening history (first
vs subsequent test) through an online centralised study database.All procedures are performed
with a high-definition ELUXEO 700 series videocolonscopes with or without magnification
(EC-760R, EC-760ZP, FUJIFILM Co., Tokyo).
The primary outcome measure is the ADR, defined as the proportion of participants with at
least one adenoma (per-patient analysis).
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