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Endoscopic Full Thickness Resection Versus Standard Therapy of the Colorectal Neoplasia

ABSTRACT: Most of the cancers develop from the adenomatous polyps. The therapeutic methods have been established already - endoscopic polypectomy (EPE) for stalked polyps and endoscopic mucosal resection (EMR) or endoscopic submucosal dissection (ESD) for non-pedunculated polyps. EMR is preferred in European countries over ESD because of its higher feasibility. However, the local residual neoplasia (LRN) after EMR has been reported in 14 - 24 % cases. There is a higher LRN risk in sessile polyps which do not elevate sufficiently after the submucosal injection (non-lifting sign) and the piece-meal resection needs to be used. Therefore, the new method of endoscopic full-thickness resection (FTR) has been developed to resect these lesions.

DISEASE(S): Colon Cancer,Polyps,Neoplasms

PROVIDER: 2299311 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:International guidelines recommend deciding the treatment of colorectal lesions based on the estimated histology by endoscopic optical diagnosis. However, the theoretical and practical knowledge on optical diagnosis is not widely expanded The mail goal of this randomised controlled trial is to compare the pooled sensitivity of optical diagnosis for predicting deep submucosal invasion in large non-pedunculated polyps > 20 mm assessed in routine colonoscopies of gastroenterologists attending a e-learning module (intervention group) vs gastroenterologists who do not (control group) The main questions the study aims to answer are: * Is the pooled sensitivity of optical diagnosis for predicting deep submucosal invasion in large non-pedunculated polyps assessed in routine colonoscopies increased in those gastroenterologists participating in the e-learning module? * Is the pooled diagnostic accuracy of optical diagnosis for predicting deep sm invasion in large non-pedunculated polyps ≥ 20 mm assessed in routine colonoscopies increased in those gastroenterologists participating in the e-learning module? * In lesions with submucosal invasion, is the en bloc and complete resection rate (R0) increased in those gastroenterologists participating in the e-learning module? * In lesions referred to surgery, is the pooled benign polyps rate decreased in those gastroenterologists participating in the e-learning module? * In lesions treated with advanced en bloc procedures (ESD, TAMIS, fullthickness resection), is the pooled rate of histology with high-grade dysplasia, intramucosal cancer or submucosal invasion increased in those gastroenterologists participating in the e-learning module? * In lesions treated with piecemeal endoscopic resection, is the pooled rate of histology with high-grade dysplasia, intramucosal cancer or submucosal invasion decreased in those gastroenterologists participating in the e-learning module? * Is the diagnostic accuracy for predicting deep submucosal invasion in a test with pictures increased after participating in the e-learning module? The participants (or subjects of study) are gastroenterologists. They will be randomised to do the e-learning course (intervention group) or not (control group). Researchers will compare clinical outcomes of gastroenterologists participating in the e-learning module vs gastroenterologists not participating in the e-learning module to see if: * the pooled sensitivity of optical diagnosis for predicting deep submucosal invasion in large non-pedunculated polyps > 20 mm assessed in routine colonoscopies is increased. * the pooled diagnostic accuracy of optical diagnosis for predicting deep sm invasion in large non-pedunculated polyps > 20 mm is increased. * the en bloc and complete resection rate (R0) is increased in lesions with submucosal invasion. * the pooled benign polyps rate decreased in lesions referred to surgery. * the pooled rate of histology with high-grade dysplasia, intramucosal cancer or submucosal invasion increased in lesions treated with advanced en bloc procedures (ESD, TAMIS, fullthickness resection). * the pooled rate of histology with high-grade dysplasia, intramucosal cancer or submucosal invasion decreased in lesions treated with piecemeal endoscopic resection. * the diagnostic accuracy for predicting deep submucosal invasion in a test with pictures after participating is increased.

Dataset Information

Endoscopic Full Thickness Resection Versus Standard Therapy of the Colorectal Neoplasia

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