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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT05823766
Other study ID # 834420
Secondary ID
Status Enrolling by invitation
Phase
First received
Last updated
Start date March 1, 2022
Est. completion date February 2027

Study information

Verified date April 2024
Source University of Pennsylvania
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The overarching goal of this study is to improve understanding of the long-range natural history of TBI and post-traumatic epilepsy (PTE) by extending follow-up of a previously enrolled cohort (TRACK-TBI) beyond the first 12 months after injury.


Description:

This longitudinal observational study is part of the Transforming Research and Clinical Knowledge in Traumatic Brain Injury (TRACK-TBI) initiative, a multi-institutional project designed to characterize the acute and longer-term clinical, neuroimaging, and blood biomarker features of TBI. TRACK-TBI enrolled TBI patients at 18 Level 1 Trauma Centers in the US, across the age and injury spectrum. This study will extend the follow-up period for TRACK-TBI participants. The extensive clinical, imaging, and biomarker data that has already been collected in these TRACK-TBI participants, in combination with the extended longitudinal data, will allow for the identification of risk factors, co-morbidities, and prognostic biomarkers of TBI. Consequently, the extension of study follow-up will help to determine negative neurological and psychological outcomes of individuals who experienced a TBI compared to healthy and orthopedic controls. The TRACK-EPI project aims to address the gaps in the existing literature and in the TRACK project regarding PTE. Post-traumatic epilepsy (PTE) is a common complication of traumatic brain injury (TBI), occurring in up to 20% of civilian patients and as many as 50% of military service members who suffer severe brain trauma, and 3-5% of those who suffer moderate TBI. Epilepsy resulting from brain trauma is often difficult to control with medical therapy, and is the cause of epilepsy in approximately 5% of patients referred to specialized epilepsy centers. PTE can be the result of TBI of any severity, although the risk is higher from severe TBI. PTE can arise through a variety of mechanisms, which may co-exist within a single patient. Focal brain injury, which results from penetrating trauma or focal contusions can result in epileptogenesis. Closed head injury can also produce diffuse injury, with shearing of axons and blood vessels, diffuse edema and ischemia, and secondary cellular damage through the release of inflammatory mediators. The clinical features of epilepsy, such as the frequency and severity of seizures, prevalence of associated co-morbidities, and responsiveness to therapy, may differ among these diverse mechanisms. Additionally, the neurophysiologic and imaging features of epileptogenicity also likely differ. Given the frequency of PTE, a more complete understanding of PTE etiology and prognosis is vital. Furthermore, it is likely that a sophisticated understanding of the subtypes of epilepsy resulting from brain trauma will be required to successfully develop anti-epileptogenic therapies.


Recruitment information / eligibility

Status Enrolling by invitation
Enrollment 300
Est. completion date February 2027
Est. primary completion date February 2026
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: Cohort TBI subjects with PTE 1. Participation in TRACK-TBI Observational Study (Penn IRB # 825503 or local IRB) and/or Spreading Depolarizations II (SDII) (Penn IRB # 828395 or local IRB) who are at least two years post-injury and completed at least 1 GOSE during the TRACK-TBI follow-up assessments 2. Must complete at least one Telephone Assessment (and a recruitment phone call) 3. Endorsed any one of four post-traumatic epilepsy (PTE) items from the Patient Interview at the 6 month or later TRACK-TBI follow-up assessment, and did not have a diagnosis of epilepsy prior to the index TBI 4. Ability of participant or legally authorized representative to provide informed consent Cohort Orthopedic Controls 1. Participation in TRACK-TBI Observational Study (Penn IRB # 825503 or local IRB) and/or Spreading Depolarizations II (SDII) (Penn IRB # 828395 or local IRB) who are at least two years post-injury and completed at least 1 GOSE during the TRACK-TBI follow-up assessments 2. Must complete at least one Telephone Assessment (and a recruitment phone call) 3. Endorsed any one of four post-traumatic epilepsy (PTE) items from the Patient Interview at the 6 month or later TRACK-TBI follow-up assessment, and did not have a diagnosis of epilepsy prior to the index TBI 4. Ability of participant or legally authorized representative to provide informed consent 5. Initial TRACK-TBI orthopedic injury Cohort Friend Controls 1. Participation in TRACK-TBI Observational Study (Penn IRB # 825503 or local IRB) who are at least two years post-enrollment and completed at least 1 MRI during the TRACK-TBI follow-up assessments 2. Ability of participant or legally authorized representative to provide informed consent Participation in TED: Friend Controls Study (IRB # 827537) Exclusion Criteria: 1. Epilepsy diagnosed prior to index TBI

Study Design


Intervention

Behavioral:
In-Person Outcome Assessment
Assessments will be administered to evaluate participant outcome status
Procedure:
3T Magnetic Resonance Imaging (MRI)
Participants will be asked to complete a 3T MRI
Behavioral:
Clinical Visit
Patients who screen positive for PTE will have an in-depth clinical visit
Procedure:
Blood Draw
Blood Draw for Plasma, DNA, Serum, RNA
EEG
An EEG will be performed on patients who screen positive for PTE at the clinical visit
Behavioral:
Telephone Outcome Assessment
Assessments will be administered over the telephone to evaluate participant outcome status and screen for PTE

Locations

Country Name City State
United States University of Texas at Austin Austin Texas
United States Spaulding Rehabilitation Hospital Charlestown Massachusetts
United States University of Cincinnati Cincinnati Ohio
United States University of Texas Southwestern Dallas Texas
United States Baylor College of Medicine Houston Texas
United States University of Pennsylvania/Penn Presbyterian Medical Center Philadelphia Pennsylvania
United States University of Pittsburgh Pittsburgh Pennsylvania
United States University of California, San Francisco San Francisco California
United States University of Washington Seattle Washington

Sponsors (2)

Lead Sponsor Collaborator
University of Pennsylvania United States Department of Defense

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Glasgow Outcome Scale Extended (GOSE) The GOSE provides an overall measure of functional status based on information on cognition, independence, employability, and social/community participation collected via structured interview. Individuals are described by one of the eight outcome categories: Dead (1); Vegetative State (2); Lower Severe Disability (3); Upper Severe Disability (4); Lower Moderate Disability (5); Upper Moderate Disability (6); Lower Good Recovery (7) and Upper Good Recovery (8). Good Recovery is defined as a score of 7-8, Moderate Disability is defined by a score of 5-6 and Severe Disability is defined by a score of 3-4. 4-6 years after TRACK-TBI enrollment
Primary Diagnostic Interview for Seizure Classification Outside of Video EEG Recording (DISCOVER) During the clinical evaluation, participants and their caregivers are educated about the heterogeneous and protean manifestations of epileptic seizures, and encouraged to contact study staff if seizures or seizure-like events are noted. The DISCOVER form has been found to be highly accurate when compared to gold-standard video-EEG recording in an Epilepsy Monitoring Unit for classifying seizures 4-6 years after TRACK-TBI enrollment
Secondary Serum NF-L (neurofilament light chain) Using advanced blood-based assay platforms, levels of blood biomarkers neurofilament light chain (NF-L) will be measured to validate the utility as a biomarkers for traumatic axonal injury (TAI). 4-6 years after TRACK-TBI enrollment
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