Colorectal Cancer Clinical Trial
Official title:
Multicenter Prospective Study of Endoscopic Full-thickness Resection (EFTR) in Colon Using Over-the-scope-clip (OTSC)
Endoscopic full-thickness resection (EFTR) in the colon using an over-the-scope clip (OTSC) as a closure mechanism is a recent technique that allows the endoscopic resection of colonic lesions that are poor candidates for conventional endoscopic resection techniques. The aim is to study the safety and efficacy of EFTR in colon.
Early detection and endoscopic resection of early neoplastic lesions in colon can prevent the
development of colon cancer.
The classic endoscopic mucosal resection technique and the submucosal dissection technique
require the creation of a submucosal "cushion" by injecting crystalloid substances or
colloids. However, these advanced techniques have technical limitations when facing a lesion
that presents poor lifting or non-lifting at all as it might be observed in scarring or
fibrotic lesions
Endoscopic full-thickness resection (EFTR) in the colon using an over-the-scope clip (OTSC)
is a recent technique that does not require the injection of a submucosal solution and allows
a resection of colonic lesions of up to approximately 30 mm, en bloc, allowing a correct
histological study of the sample, to confirm its complete resection with adequate deep
margins, evaluation of the level of invasion and lymphovascular involvement.
EFTR with OTSC allows a colonic wall full-thickness resection, by the deployment of an
over-the-scope clip before the resection of the lesion to prevent perforation. The steps of
the technique are: face the lesion and marking the borders, insertion of the scope with the
kit (consisting of a cap with an integrated snare and OTSC), grasping and pulling the lesion
into the cap, deploy the over-the-scope-clip (OTSC) and closing the integrated snare and
resect.
This is a multicenter observational study on the efficacy and safety of EFTR with OTSC in
colon.
The clinical, endoscopic and histological data are collected prospectively in all cases of
EFTR performed in the participant centers.
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