- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05210855
Comparison of Image Quality Between Ultra-low Dose (ULD) and Standard Dose CT Scans in Detecting Traumatic Brain Injury in the Emergency Room (ULD-CRANE 2)
Head trauma is a frequent reason for consultation in the emergency room. The CT scan is the reference examination allowing rapid management of the patient. However, CT examinations are among the diagnostic examinations with the highest exposure to ionizing radiation. The study investigators have previously implemented "ultra-low dose" (ULD) acquisitions for several pathologies with an effective dose level similar to that of a standard radiographic examination. These ULD acquisitions are now routinely used in our clinical practice for explorations of the thorax, spine, pelvis and proximal femurs, extremities.
This study expands these ULD acquisitions to skull CT for detecting traumatic intracranial lesions.
The study investigators hypothesize that it would be possible to search for intracranial lesions in patients with head trauma using ULD protocols, thereby reducing the doses delivered to the patient while maintaining sufficient image quality for the diagnosis.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Djamel Dabli
- Phone Number: 04.66.68.33.10
- Email: djamel.dabli@chu-nimes.fr
Study Locations
-
-
-
Nîmes, France
- CHU de Nîmes
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patient presenting to the emergency room of the CHU of Nîmes for a cranial trauma requiring scanning.
- Patient with isolated head injury or polytrauma patient with head injury among others.
- The patient or their legal representative or family member must have given their free and informed consent and signed the consent form, or the patient was included under an emergency situation
- The patient must be a member or beneficiary of a health insurance plan
Exclusion Criteria:
- The subject is participating in a study prohibiting participation in other studies, or is in a period of exclusion determined by a previous study
- Patient is pregnant, parturient or breastfeeding
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Patients with head trauma
|
Scan with classic dose followed by ultra-low dose
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Image quality of ultra-low dose scan compared to classic dose for visualising the differentiation of grey/white matter
Time Frame: Day 0
|
5-point scale: unacceptable, sub-optimal, acceptable, better than average
|
Day 0
|
Image quality of ultra-low dose scan compared to classic dose for visualising lenticular nuclei
Time Frame: Day 0
|
5-point scale: unacceptable, sub-optimal, acceptable, better than average
|
Day 0
|
Image quality of ultra-low dose scan compared to classic dose for visualising the ventricular system
Time Frame: Day 0
|
5-point scale: unacceptable, sub-optimal, acceptable, better than average
|
Day 0
|
Image quality of ultra-low dose scan compared to classic dose for visualising basal cisterns
Time Frame: Day 0
|
5-point scale: unacceptable, sub-optimal, acceptable, better than average
|
Day 0
|
Image quality of ultra-low dose scan compared to classic dose for visualising deconvexed subarachnoid spaces
Time Frame: Day 0
|
5-point scale: unacceptable, sub-optimal, acceptable, better than average
|
Day 0
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Inter-evaluator concordance (senior versus junior) in visualizing all five structures (differentiation of grey/white matter, lenticular nuclei, ventricular system, basal cisterns, deconvexed subarachnoid spaces)
Time Frame: Day 0
|
Total score of the 5 Likert scores
|
Day 0
|
Presence of at least one extradural hematoma by ultra-low dose versus classical scanner
Time Frame: Day 0
|
Yes/no
|
Day 0
|
Presence of at least one subarachnoid hemorrhage by ultra-low dose versus classical scanner
Time Frame: Day 0
|
Yes/no
|
Day 0
|
Presence of at least one subdural hematoma by ultra-low dose versus classical scanner
Time Frame: Day 0
|
Yes/no
|
Day 0
|
Presence of at least one intraparenchymal hemorrhage by ultra-low dose versus classical scanner
Time Frame: Day 0
|
Yes/no
|
Day 0
|
Presence of at least one intracranial hemorrhage by ultra-low dose versus classical scanner
Time Frame: Day 0
|
Yes/no
|
Day 0
|
Presence of at least one cranial bone lesion by ultra-low dose versus classical scanner
Time Frame: Day 0
|
Yes/no
|
Day 0
|
Presence of at least one bone lesion by ultra-low dose versus classical scanner
Time Frame: Day 0
|
Yes/no
|
Day 0
|
Radiologist-reported image quality of ultra-low dose versus classical scanner
Time Frame: Day 0
|
4-point Likert scale: Interpretable, interpretable despite moderate technical issues (centering, movement, constant), entirely interpretable despite moderate technical issues (centering, movement, constant), No technical issues
|
Day 0
|
Radiologist-reported diagnostic quality of ultra-low dose versus classical scanner
Time Frame: Day 0
|
4-point Likert scale: unacceptable, sub-optimal, acceptable, better than average
|
Day 0
|
Radiologist-reported confidence level of ultra-low dose versus classical scanner
Time Frame: Day 0
|
4-point Likert scale: unacceptable, sub-optimal, acceptable, better than average
|
Day 0
|
Interpretation time of ultra-low dose versus classical scanner for a senior and junior evaluator
Time Frame: Day 0
|
Minutes
|
Day 0
|
Collaborators and Investigators
Investigators
- Principal Investigator: Nicolas Menjot de Champfleur, CHU Nimes
Study record dates
Study Major Dates
Study Start (Anticipated)
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
- Pathologic Processes
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Disease Attributes
- Trauma, Nervous System
- Wounds, Nonpenetrating
- Wounds, Penetrating
- Emergencies
- Brain Injuries
- Wounds and Injuries
- Brain Injuries, Traumatic
- Craniocerebral Trauma
- Head Injuries, Closed
- Head Injuries, Penetrating
Other Study ID Numbers
- NIMAO/2020-1/NM-02
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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