Objective Brain Function Assessment of mTBI/Concussion in High School Athletes (AheadCAS-HS)


BrainScope Company




Concussion, Severe
Brain Injuries, Traumatic
Concussion, Intermediate
Concussion, Mild
Concussion, Brain


Device: BrainScope Ahead 200iD
Device: Advanced MRI Neuroimaging

Study type


Funder types




Details and patient eligibility


This study (Part 2) is designed to build a database including EEG, neurocognitive performance, clinical symptoms, history and other relevant data, which will be used to derive a multimodal EEG based algorithm for the identification of concussion and tracking of recovery. In addition, neuroimaging will be conducted at time of injury and following Return to Play (RTP).

Full description

Injured/concussed subjects will be studied at time of injury, and at 3 follow-up time points following injury. Matched controls will be tested following the same schedule as the injured athletes. In addition, the study will include an additional pool of contact and non-contact athletes who are not head injured and will be assessed prior to the season and then after the season has ended. This data will be used to populate a database for the purpose of deriving a multimodal concussion index.


177 patients




13 to 19 years old


No Healthy Volunteers

Inclusion criteria

  • Concussion-Injury subjects will be defined as follows: Any player who, based on independent clinical impression, is suspected of having suffered a concussion of any severity level, and on whom a routine clinical examination for concussion or head injury would have been conducted prior to implementation of this research protocol according to current standard practice.

    1. If loss of consciousness, total duration less than <20 minutes
    2. No evidence of abnormality visible on Computerized Tomography (CT) of the head related to the traumatic event (Note: neuroimaging is not required for enrollment)
    3. No hospital admission due to either head injury or collateral injuries for >24 hours.
    4. GCS between 13-15

Exclusion criteria

  1. Do not speak or read English
  2. Current CNS active prescription medications, with the exception of medications being taken for the treatment of Attention Deficit Disorder (ADD)
  3. Skull abnormalities, e.g. metal plate
  4. History of brain surgery or neurological disease
  5. Pregnant women.

Trial design

177 participants in 2 patient groups

Injured and Matched Control Subject Pool
Injured subjects consist of athletes who are head injured and meet the inclusion/exclusion criteria. Injured subjects will be tested within 72 hours (3 days) of injury and at specified time points post injury. Matched control subjects will be tested at the same time intervals as the injured subject. BrainScope Battery will be performed at each time point and consists of the following components: brain electrical activity (EEG), neurocognitive performance assessment, balance/sway measurement, and clinical symptoms/assessments. In addition, a subset of injured and matched control subjects will receive advanced MRI/DTI neuroimaging at time of injury and following RTP.
Device: Advanced MRI Neuroimaging
Device: BrainScope Ahead 200iD
Pre-Season and Post-Season Subject Pool
This subject pool will consist of uninjured (not head injured) contact and non-contact athletes and will be tested at two time points - pre-season and post-season. These subjects will perform the same BrainScope Battery as the injured and matched control subjects at each time points.
Device: BrainScope Ahead 200iD

Trial contacts and locations



Data sourced from clinicaltrials.gov

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