RECRUITING Not applicable ClinicalTrials.gov

Multimodal AI-Assisted Bowel Preparation for Colonoscopy

Sponsor: Chiayi Christian Hospital • ClinicalTrials.gov ID: NCT07812155

Registry updated: 2026-09-14

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Description

This randomized controlled trial aims to evaluate the effectiveness of a multimodal artificial intelligence (AI)-assisted smartphone application in improving bowel preparation outcomes among hospitalized adults undergoing colonoscopy. A total of 140 participants will be randomly assigned in a 1:1 ratio to either an experimental group or a control group. The control group will receive conventional written and verbal nursing education, while the experimental group will receive the same standard education plus a multimodal AI-assisted application delivered through the LINE platform. The application provides structured bowel preparation education, interactive AI-based question-and-answer support, dietary image recognition, stool image analysis, and individualized feedback. Study outcomes will include bowel preparation knowledge, satisfaction with nursing education, and bowel cleansing quality assessed using the Aronchick Scale.

Interventions

Multimodal AI-Assisted Bowel Preparation Education (Behavioral)
Participants in the experimental group receive conventional bowel preparation education plus a multimodal AI-assisted application delivered through the LINE platform. The application provides structured education on bowel preparation, dietary restrictions, bowel cleansing medication, and examination procedures; interactive AI-based question-and-answer support; dietary image recognition; stool image analysis; and individualized feedback throughout the bowel preparation process. Food images are analyzed to classify dietary patterns as clear liquid, low-residue, or regular diet, while stool images are analyzed using multimodal AI and a convolutional neural network model to assess bowel cleansing status and provide feedback.

Eligibility criteria

Inclusion Criteria: 1. Hospitalized adults scheduled to undergo colonoscopy. 2. Age 20 years or older. 3. Able to read. 4. Conscious and able to communicate in Mandarin or Taiwanese. 5. Own a smartphone and have basic ability to use the LINE application. Exclusion Criteria: 1. Patients receiving hemodialysis or peritoneal dialysis. 2. Patients unable to take bowel cleansing medication orally. 3. Patients unable to consume a large volume of fluids. 4. Patients with intestinal stenosis, bowel obstruction, or obstructing intestinal tumors. 5. Patients with severe active gastrointestinal bleeding (\>1500 mL/day).

Conditions

Bowel Preparation Colonoscopy

Locations

Chiayi Christian Hospital — Chiayi City, Taiwan, Taiwan

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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