A Single Center Study on Comparing the Different Function of EndoAngel in Improving the Quality of Colonscopy

Study Overview
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Brief Summary
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An artificial intelligence-based system, named EndoAngel,has been constructed previously,which has polyp detection and quality monitoring functions. This study aims to evaluate the two different functions of EndoAngle in improving adenoma detection rate.

Detailed Description
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The detection and removal of precancerous polyps via colonoscopy can reduce the the risk of colon cancer. However, the detection rate of adenomatous polyps can vary significantly among endoscopists. EndoAngel is an artificial intelligence-based system,consisting of polyp detection and quality monitoring functions. The polyp detection function can remind endoscopists of the location of the polyp. The quality monitoring function can monitor the velocity of insertion of the endoscope, record the time of insertion and withdrawal of the endoscope, and remind endoscopists of the blind areas caused by intestinal segment slipping.This study aims to evaluate the two different functions of EndoAngle by 2 × 2 factorial design in improving adenoma detection rate and the quality of colonscopy .

Official Title
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A Prospective, Randomized, Single-blind, 2 × 2 Factorial Design Single Center Study Evaluating the Polyp Detection and Quality Monitoring Function of EndoAngel in Improving the Quality of Colonoscopy

Conditions
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Adenoma

Intervention / Treatment
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* Diagnostic Test: Colonoscopy with the assistance of EndoAngel's polyp detection function.
* Diagnostic Test: Colonoscopy with the assistance of EndoAngel's quality monitoring function.
* Diagnostic Test: Colonoscopy without the assistance of EndoAngel's any function.


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Male or female aged 18 years or above; Colonoscopy is needed to further characterize gastrointestinal diseases; Ability to read, understand and sign informed consent forms; The researchers believe that the subjects can understand the process of the clinical study and are willing and able to complete all the study procedures and follow-up visits to cooperate with the study procedures. Exclusion Criteria: Participated in other clinical trials, signed informed consent forms and followed up in other clinical trials； Participate in a drug clinical trial and during the elution period of the trial or control drug； Drug or alcohol abuse or mental disorder in the last 5 years; Pregnant or lactating women; Patients with multiple polyp syndrome; Patients with a history of inflammatory bowel disease, colorectal cancer, or colorectal surgery; Patients with known perforation or colonic obstruction; Patients with a contraindication for biopsy; The researchers did not consider the subjects suitable for colonoscopy; The researchers determined that the subjects had high-risk diseases or other special conditions that were not appropriate for clinical trials.

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Diagnostic
Allocation: Randomized
Intervention Model: Factorial Assignment
Masking: Double


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Sham Comparator: Control group<br>Patients will receive colonoscopy without assistance of EndoAngel's any function. | Diagnostic Test: Colonoscopy without the assistance of EndoAngel's any function.<br>* Patient in this group will receive colonoscopy with assistance of EndoAngel's both functions.<br>|
| Experimental: Polyp detection function group<br>Patients will receive colonoscopy with the assistance of EndoAngel's polyp detection function. | Diagnostic Test: Colonoscopy with the assistance of EndoAngel's polyp detection function.<br>* Patient in this group will receive colonoscopy with assistance of EndoAngel's polyp detection function,which can remind endoscopists of the location of the polyp.<br>|
| Experimental: Quality monitoring function group<br>Patients will receive colonoscopy with the assistance of EndoAngel's quality monitoring function. | Diagnostic Test: Colonoscopy with the assistance of EndoAngel's quality monitoring function.<br>* Patient in this group will receive colonoscopy with assistance of EndoAngel's quality monitoring function,which can monitor the withdrawal speed of the endoscope.<br>|
| Experimental: Polyp detection plus quality monitoring functions group<br>Patients will receive colonoscopy with the assistance of EndoAngel's polyp detection plus quality monitoring function. | Diagnostic Test: Colonoscopy with the assistance of EndoAngel's polyp detection function.<br>* Patient in this group will receive colonoscopy with assistance of EndoAngel's polyp detection function,which can remind endoscopists of the location of the polyp.<br>Diagnostic Test: Colonoscopy with the assistance of EndoAngel's quality monitoring function.<br>* Patient in this group will receive colonoscopy with assistance of EndoAngel's quality monitoring function,which can monitor the withdrawal speed of the endoscope.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Adenoma detection rate | The numerator is the number of cases of adenomas detected by colonoscopy, and the denominator is the total number of cases of patients undergoing colonoscopy. | 3 Months | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Polyp detection rate | The numerator is the number of cases of polyps detected by colonoscopy, and the denominator is the total number of cases of patients undergoing colonoscopy. | 3 months | 
| The mean number of polyps per procedure | The numerator is the total number of polyps detected by colonoscopy, and the denominator is the total number of patients undergoing colonoscopy. | 3 months | 
| The mean number of adenomas per procedure | The numerator is the total number of adenomas detected by colonoscopy, and the denominator is the total number of patients undergoing colonoscopy. | 3 months | 
| Detection rate of large, small and diminutive polyps | The numerator was the number of patients with large (≥10 mm), small (>5 to <10 mm), and diminutive(≤5 mm) polyps detected by colonoscopy, and the denominator was the total number of patients receiving colonoscopy. | 3 months | 
| The mean number of large, small and diminutive polyps per procedure | The numerator was the number of large (≥10 mm), small (>5 to <10 mm), and diminutive(≤5 mm) polyps detected by colonoscopy, and the denominator was the total number of patients receiving colonoscopy. | 3 months | 
| Detection rate of large, small and diminutive adenomas | The numerator was the number of patients with large (≥10 mm), small (>5 to <10 mm), and diminutive(≤5 mm) adenomas detected by colonoscopy, and the denominator was the total number of patients receiving colonoscopy. | 3 months | 
| The mean number of large, small and diminutive adenomas per procedure | The numerator was the number of large (≥10 mm), small (>5 to <10 mm), and diminutive(≤5 mm) adenomas detected by colonoscopy, and the denominator was the total number of patients receiving colonoscopy. | 3 months | 
| Detection rate of adenoma in different sites | The numerator is the number of cases of adenoma detected in the rectum, sigmoid colon, descending colon, transverse colon, ascending colon and ileocecal region during colonoscopy, and the denominator is the total number of patients undergoing colonoscopy. | 3 months | 
| The mean number of adenomas in different sites per procedure | The numerator is the total number of adenomas detected in the rectum, sigmoid colon, descending colon, transverse colon, ascending colon and ileocecal region during colonoscopy, and the denominator is the total number of patients undergoing colonoscopy. | 3 months | 
| Time of colonoscopic insertion | The duration of colonoscopic insertion from rectum to ileocecal valve or appendiceal opening | 3 months | 
| Time of colonoscopic withdrawal | The duration of colonoscopic withdrawal from ileocecal valve or appendiceal opening to colonoscopy finished. | 3 months | 
| Cecal intubation rate | The numerator is the number of cases of colonoscopy reaching ileocecal valve or appendiceal opening, and the denominator is the total number of colonoscopy cases. | 3 months | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Polyp Detection, Quality Monitoring, Artificial Intelligence