- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03353246
Assessment of InfraScanner 2000™ in Detecting Subdural and Epidural Hematomas
Assessment of Accuracy, Precision, and Feasibility of a Handheld Near-Infrared Light Device (InfraScanner 2000™) in Detecting Subdural and Epidural Hematomas in Patients Admitted to Duke University Hospital: A Pilot Study
Study Overview
Status
Conditions
- Head Injuries, Closed
- Head Trauma
- Head Injuries
- Craniocerebral Injuries
- Crushing Skull Injury
- Head Injuries, Multiple
- Head Trauma,Closed
- Head Trauma Injury
- Head Trauma, Penetrating
- Head Injury, Minor
- Head Injury Major
- Head Injury, Open
- Injuries, Craniocerebral
- Injuries, Head
- Multiple Head Injury
- Trauma, Head
Intervention / Treatment
Detailed Description
When applicable (conscious patient and/or family or legally authorized representative is present) the study will be introduced to the patient and relevant parties prior to the research team approaching the patient. While head trauma frequently results in impaired cognition and/or consciousness, and due to the urgency of these circumstances patients are often not accompanied by kin, whenever appropriate, the purpose of the research and the procedure will be explained in detail with all questions answered to the patient's and/or representative's satisfaction. Because patients who sustain head trauma injuries typically remain within the hospital for multiple days for monitoring and care, each participant may undergo multiple CT scans over the course of his or her hospitalization, affording the opportunity to one to numerous measurements from each patient during his or her hospital stay.
Within 30 minutes following each CT scan, the study team will approach the patient to scan the patient's cranium with the InfraScanner 2000™ (Image A). The procedure will entail placing 8 plastic light guides upon the patient's scalp. The study team member will use the device to sequentially emit light through each of the 8 light guides so that the light is incident upon scalp (Image B). The device is engineered such that the light emitter and receiver are spaced ~4cm apart, allowing the light's intensity to be measured between adjacent light guides (Image C). This entire procedure, including greeting the patient, placing the light guides, gathering the data, and removing the light guides should take ~10 minutes each time. The number of CT scans the patient receives determines the number of potential data collections. The patient will be approached by the study team following each CT scan to be scanned with the InfraScanner 2000™ (20). The patient and/or representative may refuse a scan during any encounter, and as such, the scan will not be done. For each patient scanned with the InfraScanner 2000™ they will be de-identified with a subject number, with age, sex, gender, skin color, hair color, hair thickness, mechanism of injury, Glasgow Coma Scale score, and mean time elapsed between CT scan and near-infrared measurement. These data will be stored in de-identified form on Research Electronic Data Capture (REDCap) and/or Microsoft Excel 2016 on a secured DHTS server (S:\NSU_IRB\Pro00087011).
The collection period for each research subject concludes 30-days following his or her initial measurement with the InfraScanner 2000™, patient discharge, or patient death.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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North Carolina
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Durham, North Carolina, United States, 27710
- Duke University Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- ADULT
- OLDER_ADULT
- CHILD
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Any patient who presents to Duke University Hospital with suspected head trauma and receives a brain CT scan will be considered for this study.
Exclusion Criteria:
- None
Study Plan
How is the study designed?
Design Details
- Primary Purpose: DIAGNOSTIC
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: InfraScanner 2000™
All patients entered onto the trial will undergo at least one cranial scanning using the InfraScanner 2000™ within 30 minutes of CT.
Patients will be scanned using the InfraScanner 2000™ within 30 minutes of each subsequent CT.
Patients will know the results of the CT but not the InfraScanner 2000™.
The standard for comparison will be determined as follows.
A CT result that is positive for hematoma will be considered a true positive and a CT result that is negative for hematoma will be considered a true negative.
In cases where the results of the CT are negative for hematoma and the results of the InfraScanner 2000™ are positive consideration of further follow-up will be given on a case-by-case basis.
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The Infrascanner is a portable screening device that uses Near-Infrared (NIR) technology to screen patients for intracranial bleeding, identifying those who would most benefit from immediate referral to a CT scan and neurosurgical intervention.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Sensitivity of InfraScanner 2000 TM to Detect Any Size Hematoma at the Patient Level
Time Frame: Up to 30 days after first CT scan
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Percentage of subjects with hematomas detected by CT who had hematoma detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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Sensitivity of InfraScanner 2000 TM to Detect Any Size Hematoma at the Scan Level
Time Frame: Up to 30 days after first CT scan
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Percentage of CT scans with hematomas detected that had hematoma detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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Specificity of InfraScanner 2000 TM for Detection of Any Size Hematoma at the Patient Level
Time Frame: Up to 30 days after first CT scan
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Percentage of patients with no hematomas detected by CT who had no hematoma detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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Specificity of InfraScanner 2000 TM for Detection of Any Size Hematoma at the Scan Level
Time Frame: Up to 30 days after first CT scan
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Percentage of CT scans with no hematomas detected that had no hematoma detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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False Positive Rate of InfraScanner 2000 TM for Detection of Any Size Hematoma at the Patient Level
Time Frame: Up to 30 days after first CT scan
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Percentage of patients with no hematomas detected by CT that had hematoma detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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False Positive Rate of InfraScanner 2000 TM for Detection of Any Size Hematoma at the Scan Level
Time Frame: Up to 30 days after first CT scan
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Percentage of scans with no hematomas detected by CT that had hematoma detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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False Negative Rate of InfraScanner 2000 TM for Detection of Any Size Hematoma at the Patient Level
Time Frame: Up to 30 days after first CT scan
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Percentage of patients with hematomas detected by CT that had no hematoma detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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False Negative Rate of InfraScanner 2000 TM for Detection of Any Size Hematoma at the Scan Level
Time Frame: Up to 30 days after first CT scan
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Percentage of scans with hematomas detected by CT that had no hematoma detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Sensitivity in Identification of Hematomas Within Detection Limits, at the Patient Level
Time Frame: Up to 30 days after first CT scan
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Percentage of subjects with hematomas within detection limits detected by CT who had hematoma detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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Specificity in Identification of Hematomas Within Detection Limits, at the Patient Level
Time Frame: Up to 30 days after first CT scan
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Percentage of patients with no hematomas within detection limits detected by CT who had no hematoma detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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Sensitivity for Bleeds Within Detection Limits by Hematoma Type at the Patient Level
Time Frame: Up to 30 days after first CT scan
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Percentage of subjects with hematomas within detection limits detected by CT that were detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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False Negative Value for Bleeds Within Detection Limits by Hematoma Type at the Patient Level
Time Frame: Up to 30 days after first CT scan
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Percentage of subjects with hematomas within detection limits detected by CT where no hematoma was detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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Sensitivity for Bleeds Within Detection Limits by Hematoma Type at the Scan Level
Time Frame: Up to 30 days after first CT scan
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Percentage of CT scans with hematomas within detection limits detected by CT that were detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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False Negative Value for Bleeds Within Detection Limits by Hematoma Type at the Scan Level
Time Frame: Up to 30 days after first CT scan
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Percentage of CT scans with hematomas within detection limits detected by CT where no hematoma was detected by Infrascanner 2000 TM.
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Up to 30 days after first CT scan
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
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
- Cardiovascular Diseases
- Vascular Diseases
- Cerebrovascular Disorders
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Hemorrhage
- Trauma, Nervous System
- Intracranial Hemorrhages
- Wounds, Nonpenetrating
- Wounds, Penetrating
- Intracranial Hemorrhage, Traumatic
- Wounds and Injuries
- Multiple Trauma
- Craniocerebral Trauma
- Hematoma
- Head Injuries, Closed
- Head Injuries, Penetrating
- Hematoma, Epidural, Cranial
- Hematoma, Epidural, Spinal
Other Study ID Numbers
- Pro00087011
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
product manufactured in and exported from the U.S.
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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