NCT Number: NCT07626229
This study will evaluate whether Xuanwu-NeuroAid 2.0, a large language model for emergency neurology, can improve 30-day diagnostic quality in adults with acute neurological symptoms. Physicians will be randomly assigned to AI-assisted care or usual care. In the AI-assisted group, the model will provide diagnostic and management suggestions, while physicians will make all final clinical decisions. The usual-care group will receive standard emergency neurology care without large language model assistance.
This study is active but is not currently recruiting participants.
Notify Me18 year and older
All sexes
Interventional
Not applicable
Nanyang Nanshi Hospital, Nanyang, Henan, China
This multicenter, prospective, cluster randomized trial will evaluate whether Xuanwu-NeuroAid 2.0, a domain-specific large language model for emergency neurology, can improve diagnostic quality in adults presenting with acute neurological symptoms. Physicians will be randomized to AI-assisted care or usual care. In the AI-assisted group, the model will provide diagnostic and management suggestions based on available clinical information, while physicians will remain responsible for all final clinical decisions. the model's recommendations could be disregarded when they were considered inappropriate. The usual-care group will receive standard emergency neurology care without large language model assistance.
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Xuanwu-NeuroAid 2.0 is a large language model used to support emergency neurology evaluation and management. It generates diagnostic and management suggestions based on available clinical information, including history, physical examination, laboratory results, and imaging data. Physicians may interact with the model multiple times, but remain responsible for all final clinical decisions. Its recommendations may be overridden when considered inappropriate.
Time frame: Day 30
A composite outcome defined as the occurrence of any of the following: a diagnostic discrepancy within 30 days; unplanned medical care within 30 days; harms related to the index emergency care within 30 days; or all-cause death within 30 days.
Time frame: Day 30
Diagnostic discrepancy is defined as disagreement between the emergency department final diagnosis and the 30-day expert-adjudicated reference diagnosis.
Time frame: Day 30
The quality of diagnostic testing and management recommendations made during the index emergency department encounter will be assessed by blinded expert adjudicators after completion of 30-day follow-up, using a 5-point Likert scale. Higher scores indicate higher quality of diagnostic testing and management recommendations.
Time frame: Immediately after the index emergency department encounter, within 48 hours
Patient satisfaction with emergency care will be assessed after the index emergency department encounter using a 5-point Likert scale, ranging from 1 to 5, with higher scores indicating greater satisfaction.
Time frame: Time from start of physician evaluation to completion of final diagnosis and disposition decision, within 48 hours.
Time spent per patient encounter is defined as the duration from the start of physician evaluation to completion of the emergency department final diagnosis and disposition decision during the index emergency department encounter.
Time frame: Immediately after each index emergency department encounter, within 48 hours.
Clinician-reported workload will be assessed by the treating physician using a single-item 5-point Likert scale, ranging from 1 to 5. Higher scores indicate greater perceived workload.
Time frame: Day 30
Health-related quality of life will be assessed using the EuroQol five-dimension five-level questionnaire. The EQ-5D-5L utility index score will be derived according to the applicable value set. The maximum score is 1, indicating full health; higher scores indicate better health status.
Time frame: From completion of the index emergency department encounter to Day 30
Unplanned medical care is defined as any unscheduled emergency department visit, outpatient visit, or hospital admission within 30 days after the index emergency department encounter.
Time frame: From completion of the index emergency department encounter to Day 30
Harms are defined as adverse clinical events within 30 days after the index emergency department encounter.
Time frame: From completion of the index emergency department encounter to Day 30
All-cause death is defined as death from any cause within 30 days after the index emergency department encounter.
Capital Medical University
Other
Domain-Specific Large Language Model Assistance for Emergency Neurological Diagnosis and Treatment: A Randomized Controlled Clinical Trial
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View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
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