- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04384211
QOCA®-Image Medical Platform - Smart VCF Risk Management System
Smart Bone: An Intelligent Fracture Risk Capture and Management System
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
A computer search of CT scans (2010.01.01-2018.09.30) was performed in Wan Fang Hospital. Those CT images that were retrospectively reviewed by experienced radiologists. The CT scans of 1000-1500 subjects aged 50 and above with and without thoracic or lumbar compression fractures were included in this project for machine learning and deep learning. The control group included those without compression fractures while the patient group were those with compression fractures. Subjects that did not meet the inclusion criteria were excluded.
The cortical layer of the T12-L5 spine images were manually labelled with the labeling software by the the technologists and confirmed the correctness of the image by an experienced radiologist. All the de-linked and completed images were provided to Quanta Computer Inc. for subsequent classification and analysis of AI machines for deep learning to facilitate the development of a system for automatic detection of pressure fractures by CT. This newly developed automatic system will be of valuable clinical impact in assisting radiologists to detect and classify vertebral compression fractures precisely and accurately.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
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Taipei, Taiwan
- Taipei Medical University WanFang Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Cases with CT examinations acquired between 2010.01-2018.09
- Cases with CT examinations performed with one of the following protocol: whole body, abdomen, and spine
- Cases must be >/= 50 years of age
- Cases with reports from CT examinations ditched as positive or negative compression fractures within a search range from T12 to L5 vertebrae.
- CT images with raw data that are allowed to be reconstructed in axial view with a slice thickness of 1.3 mm
- CT images with raw data that are allowed to be reconstructed in sagittal view with a slice thickness of 2.5 mm
Exclusion Criteria:
- CT images with imaging artifacts, foreign bodies, or implants
- Cases with comorbid conditions, such as infection, cancer metastasis, chronic osteomyelitis, or other nonosteoporotic compression fracture
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Retrospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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Radiologists
A computer search of CT scans (2010.01.01-2018.09.30) was performed in Wan Fang Hospital.
These CT images were retrospectively reviewed by an experienced radiologist who classified and marked with annotations of vertebral fractures by the Genant's semiquantitative method.
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Smart Bone
The same CT images were separately reviewed and processed by the artificial intelligence system (Smart Bone) by Quanta for compression fractures.
The two results, one by the radiologists and the other by artificial intelligence system, will be compared to statistically quantify equivalence (CADe).
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A device named Smart Bone that is using CT image retrospectively acquired to entails a second review of CT images with Vertebral Compression Fractures through an interactive AI program developed by Quanta Computer Inc. was applied to the CT images.
The device is a computer-aided detection (CADe) software application and is designed to assist radiologists to analyze Spine CT images.
The device uses deep learning methods to perform vertebrae detection and classification of images.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Concordance rate
Time Frame: 2019.06 to 2020.03
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CT Imaging Reporting and Data System descriptors suggested by Smart Bone are in good agreement with those selected by experts. In other words, the CT Imaging Reporting and Data System generated by Smart Bone are not statistically different from the consensus of experts. CT Imaging Reporting and Data System Assessment Category Score: The user makes the final decision on the Assessment Category Score. Using this Score, Smart Bone displays the assessment description. Grade 0: Normal Vertebrae Grade 1: Mild Fracture, 20-25% Grade 2: Moderate Fracture, 26-40% Grade 3: Severe Fracture, >40% |
2019.06 to 2020.03
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Accuracy
Time Frame: 2019.06 to 2020.03
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Comparing to the accuracy of CT imaging results by radiologists with and without CADe will be evaluated.
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2019.06 to 2020.03
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Wing P. Chan, M.D., Taipei Medical University WanFang Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- N201909056
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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