Intelligent Simulated Patient System for Gastroenterology Education (NCT07714655) | Clinical Trial Compass
CompletedNot Applicable
Intelligent Simulated Patient System for Gastroenterology Education
China90 participantsStarted 2026-03-01
Plain-language summary
This randomized controlled trial evaluated a large language model-based Intelligent Simulated Patient System (ISPS) for gastroenterology history-taking education. Ninety medical students were randomly assigned in a 1:1 ratio to 4 weeks of conventional clinical learning or ISPS-assisted training.
The ISPS used teacher-defined structured case information to support simulated patient interactions and generated item-level formative feedback using predefined scoring rubrics. The implemented system did not use external electronic health record retrieval, retrieval-augmented generation, a vector database, or semantic-similarity threshold scoring.
The primary outcomes were post-intervention medical history-taking performance and clinical diagnostic accuracy. History-taking performance was assessed in a standardized Objective Structured Clinical Examination by two senior physicians who were blinded to group allocation. Secondary outcomes included patient-centered communication competence and participants' acceptance of the ISPS.
Who can participate
Age range
18 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* Undergraduate medical students at Zhejiang Chinese Medical University who had completed their clinical clerkship and the required coursework in Diagnostics and Internal Medicine (Gastroenterology).
* Postgraduate students in Clinical Medicine at the First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine).
* Able and willing to provide written informed consent.
* Willing to complete the entire 4-week study protocol and all outcome assessments.
Exclusion Criteria:
* Individuals with extensive prior clinical experience in gastroenterology that could substantially influence baseline performance.
* Individuals with severe visual, hearing, or other impairments that would prevent effective participation in the Intelligent Simulated Patient System training.
* Individuals unable to complete the required training sessions or the final Objective Structured Clinical Examination (OSCE).
* Individuals who withdrew informed consent or had incomplete outcome assessment.
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Diagnostic accuracy
Timeframe: Immediately after the 4-week intervention
2
History-taking completeness score
Timeframe: Immediately after the 4-week intervention
Trial details
NCT IDNCT07714655
SponsorThe First Affiliated Hospital of Zhejiang Chinese Medical University