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Pragmatic RCT of AI-Assisted Reading for Malignant Hepatic Lesions on CE-CT
Sponsor: Shengjing Hospital
Summary
The purpose of this multicenter pragmatic randomized controlled trial is to determine whether AI-assisted interpretation of multiphasic liver contrast-enhanced computed tomography (CE-CT) is non-inferior to standard radiology reporting with respect to missed clinically significant malignant focal liver lesions, \*\*with the non-inferiority margin prespecified in the statistical analysis plan before enrollment\*\*, and whether it improves lesion detection, diagnostic characterization, downstream clinical management, and reporting efficiency. On AI-assisted center-days, AI results will be revealed only after the first-line radiologist has saved an unaided initial assessment and may be used to revise the final report. On control center-days, examinations will be interpreted using the standard radiology workflow without access to AI tools.
Official title: A Multicenter Randomized Controlled Trial of AI-Assisted Reading Compared With Standard Radiology Interpretation for Malignant Hepatic Lesions on Contrast-Enhanced CT: Diagnostic, Clinical and Workflow Outcomes
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
40000
Start Date
2026-08-17
Completion Date
2027-12-31
Last Updated
2026-08-17
Healthy Volunteers
Yes
Conditions
Interventions
AI-assisted abdominal CE-CT reporting
After the unaided initial assessment is saved, the locked AI system will display lesion localization, patient-level and lesion-level malignancy probabilities, prespecified lesion-class suggestions, and uncertainty or technical-failure warnings. The first-line radiologist may revise or retain the initial assessment and must record acceptance, rejection, or uncertainty for clinically important AI suggestions. The senior reviewer may view the initial assessment, AI output, and revision history. AI may not autonomously authorize reports, prescribe management, or communicate diagnoses directly to participants.
Standard abdominal CE-CT reporting without AI assistance
Eligible multiphasic abdominal CE-CT examinations will be interpreted and reported according to the site's standard radiology workflow, including routine senior review where applicable. AI system outputs will not be available to radiologists or clinical staff, and no AI-triggered safety-net review will be performed. Routine report addenda, urgent communication, multidisciplinary review, additional imaging, and subsequent clinical management will remain available according to standard clinical practice.
Locations (1)
Shengjing Hospital of China Medical University
Shenyang, Liaoning, China