Study Stopped
PI has retired
Imaging Characterization of the Biomechanical Coupling of Brain and Skull
2 other identifiers
observational
N/A
1 country
1
Brief Summary
Background: Traumatic brain injury (TBI) affects over 1.7 million people in the United States each year. Many cases are mild, but people with a history of TBI may have long-term symptoms; they are also known to be more susceptible to future concussions. Researchers are working to understand how TBI affects tissues in and around the brain over the long term. This natural history study will investigate how a TBI may change the stiffness of the brain and its surrounding connective tissues. Objective: To see how the brain and connective tissues respond to small head movements in people with and without a prior TBI. Eligibility: People aged 21 to 65 years with a history of TBI. People with no history of TBI are also needed. Design: Participants will have 1 clinic visit that will last about 4 hours. Participants will have a physical exam. They answer questions to make sure it is safe for them to have a magnetic resonance imaging (MRI) scan of their brain. They will have an MRI scan in 2 parts. During the first part, participants will lie on a table that slides into a large tube. They will hear loud knocking noises. They may wear earplugs or earmuffs. They will lie still for 15 minutes at a time. They will be in the tube for about up to 75 minutes. The second part is called magnetic resonance elastography (MRE). Participants will lie with their head on a pillow that vibrates gently. This test will take 10 minutes. Participants will answer questions about how they feel 1 or 2 days after the procedure.
Trial Health
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Started Sep 2024
1 active site
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Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 6, 2023
CompletedFirst Posted
Study publicly available on registry
January 9, 2023
CompletedStudy Start
First participant enrolled
September 12, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 12, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
September 12, 2024
CompletedOctober 3, 2024
September 1, 2024
Same day
January 6, 2023
October 1, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Obtain MRE images
MRE images will be processed to estimate global differences in the amplitudes and temporal delays of translation and rotation between brain and skull. Temporal delay reflects the lag in motion between the skull and brain, with a lower delay reflecting tighter coupling of motion.
End of study
Secondary Outcomes (1)
Measure skull brain coupling
End of study
Study Arms (3)
25 subjects with a history of TBI but no history of TMI
25 subjects with a history of TBI but no history of TMI.
25 subjects with a history of TMI
25 subjects with a history of TMI.
35 healthy controls
35 healthy controls.
Eligibility Criteria
Subjects 21-65 years old, healthy volunteers, subjects with history of TBI but no history of TMI and subjects with a history of TMI.
You may qualify if:
- In order to be eligible to participate in this study, an individual must meet all of the following criteria:
- Stated willingness to comply with all study procedures and availability for the duration of the study.
- Age 21-65.
- Deemed medically safe for study participation by the subjects attending physician
- Within the TBI group, subjects must have a history of mild TBI at time of initial presentation, defined as Glasgow Coma Scale score of 13-15, loss of consciousness \< 30 minutes, and normal structural imaging on CT. Subjects should be less than 10 years from time of injury.
- Within the TME group, in addition to the TBI characteristics above, subjects should additionally, have presented for TME at the time of initial presentation, evaluated by postcontrast FLAIR imaging.
- Ability of subject to understand and the willingness to sign a written informed consent document.
You may not qualify if:
- An individual who meets any of the following criteria will be excluded from participation in this study:
- Within the healthy control group, any history of clinically diagnosed TBI.
- Other known conditions outside of TBI that may affect brain anatomy.
- Inner ear problems causing dizziness.
- Having a height or weight not supported by the MRI scanner.
- Contraindications to MRI (e.g. pacemaker, pregnancy, claustrophobia).
- Unwillingness to remove cosmetic metal (e.g. piercings) for the MRI.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
National Institutes of Health Clinical Center
Bethesda, Maryland, 20892, United States
Related Publications (3)
Chan DD, Knutsen AK, Lu YC, Yang SH, Magrath E, Wang WT, Bayly PV, Butman JA, Pham DL. Statistical Characterization of Human Brain Deformation During Mild Angular Acceleration Measured In Vivo by Tagged Magnetic Resonance Imaging. J Biomech Eng. 2018 Oct 1;140(10):1010051-10100513. doi: 10.1115/1.4040230.
PMID: 30029236BACKGROUNDRoth TL, Nayak D, Atanasijevic T, Koretsky AP, Latour LL, McGavern DB. Transcranial amelioration of inflammation and cell death after brain injury. Nature. 2014 Jan 9;505(7482):223-8. doi: 10.1038/nature12808. Epub 2013 Dec 8.
PMID: 24317693BACKGROUNDChiara Ricciardi M, Bokkers RP, Butman JA, Hammoud DA, Pham DL, Warach S, Latour LL. Trauma-Specific Brain Abnormalities in Suspected Mild Traumatic Brain Injury Patients Identified in the First 48 Hours after Injury: A Blinded Magnetic Resonance Imaging Comparative Study Including Suspected Acute Minor Stroke Patients. J Neurotrauma. 2017 Jan 1;34(1):23-30. doi: 10.1089/neu.2015.4338. Epub 2016 Jun 10.
PMID: 27215444BACKGROUND
Related Links
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
John A Butman, M.D.
National Institutes of Health Clinical Center (CC)
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- NIH
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 6, 2023
First Posted
January 9, 2023
Study Start
September 12, 2024
Primary Completion
September 12, 2024
Study Completion
September 12, 2024
Last Updated
October 3, 2024
Record last verified: 2024-09