- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05660317
Assessment of Endoscopic Tip Control Using a Novel Score Based on the Snare Tip Soft Coagulation of Polypectomy Margin Defects
Tip Control Assessment to Determine the Accuracy of Snare Tip Soft Coagulation to the Margin of Defects After EMR Predicts Polypectomy Experience and Procedural Difficulty
Colorectal cancer is the third most common malignancy worldwide and the second leading cause of cancer related death with approximately 880 792 deaths every year (9,2% of the global yearly 9.6 million cancer deaths). Screening for polyps is done by colonoscopy, which is considered the gold standard for screening and removal of polyps and has been proven to reduce the global colorectal cancer burden significantly. Endoscopic removal of polyps is preferred because of its efficiency, cost-effectiveness, and safety in comparison to surgery.
Endoscopic tip control is a fundamental component of high quality endoscopy. Endoscopic procedures are complex processes where cognitive processing and motoric output need to be perfectly aligned. This is reflected in endoscopic tip control. It is indispensable in every step of endoscopy: during insertion of the endoscope, where the tip of the endoscope needs to reach the caecum/terminal ileum/duodenum, without discomfort for the patient if under light sedation, during withdrawal of the endoscope in order not to miss any lesions, and also during every endoscopic treatment whether it is a simple polypectomy or a complex therapeutic procedure performed by expert endoscopists.
However, there is currently no tool available to assess endoscopic tip control. And very little is known about educating it.
The investigators developed a new, web-based scoring system to assess tip control. The intent of this study is to validate this novel tool so it can be used to assess endoscopists and evaluate their progress when training in endoscopy.
This study takes place at the University Hospital Ghent, which is a tertiary care center for gastrointestinal endoscopy. The investigators will validate the tool in this study, through assessment of endoscopists of varying experience while they use a technique of snare tip soft coagulation on the margin of a polypectomy defect. This technique has proven its use in preventing recurrence after polypectomy. The technique uses the tip of a snare (used to resect polyps) to deliver thermal energy to the margin of a polypectomy, also called margin ablation. Thermal energy is applied by a hit on a pedal (operated with the foot), every hit needs to be exactly on the margin of the defect (not in the defect, not on normal mucosa around the defect). This requires a very steady and controlled handling of the endoscope and is an ideal technique to assess endoscopist's tip control. The score system will calculate the accuracy (number of correct hits over number of wrong hits) of tip control per second.
Study Overview
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Locations
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Ghent, Belgium, 9000
- Recruiting
- UZ Gent
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Contact:
- David Tate
- Phone Number: 003293321072
- Email: david.tate@uzgent.be
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Contact:
- Lynn Debels
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Endoscopists: all endoscopist (varying experience) performing polypectomy at the University Hospital of Ghent, Belgium (UZ Gent)
Patients: all patients undergoing endoscopic mucosal resection of colorectal polyps
Description
Inclusion Criteria:
- Endoscopists who perform endoscopic mucosal resections (EMR) at the University Hospital of Ghent, Belgium (UZ Gent)
- Patients, > 18 years of age, referred for EMR needing snare tip soft coagulation of the defect margins.
Exclusion Criteria:
- Endoscopists who do not consent to the study
- Patients who do not consent to the study
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Endoscopists' accuracy of tip control using a novel scoring system.
Time Frame: Through study completion, an average of 1 year (no intervention, the participant gets scored with every margin ablation he does)
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Assessment of the tip control accuracy of endoscopists with varying experience using a novel scoring system. The scoring system reports accuracy of tip control: correct hits/total hits (range of accuracy 0-100% with 0% no correct hits, and 100% best possible accuracy) and correct hits per second, where a high score demonstrates good accuracy in short period of time (participants is good en fast). |
Through study completion, an average of 1 year (no intervention, the participant gets scored with every margin ablation he does)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Assessment of quality parameters of the novel tip control scoring system.
Time Frame: Through study completion, an average of 1 year
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Assess if the scoring system is user friendly and assess if it is feasable to use it in an endoscopy setting.
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Through study completion, an average of 1 year
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- ONZ-2022-0178
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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