ClinicalTrials.gg
CompletedNCT03381638Updated Apr 19, 2018

Understanding Concussion/Mild Traumatic Brain Injury

An observational study in Traumatic Brain Injury and Concussion, Brain, sponsored by Blinktbi, Inc.. Completed at 5 sites in United States. Open to participants aged 14 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2018-04-19.

Primary conditionBrain ConcussionRegistry: Brain Injuries, TraumaticReclassifiedWhy we changed it
Registry
Brain Injuries, Traumatic — the first condition term the registry derived for this study.
ClinicalTrials.gg
Brain Concussion
Why
  1. The study's listed conditions name Brain Concussion, a narrower term within Brain Injuries, Traumatic.
Confidence
High: the new condition is named in the study's own listed conditions. Of 351 hand-checked studies reclassified this way, 68% were exactly right and 84% in the right disease family; the registry's first term was right for 5% (measured 2026-10-21). How we classify →
Wrong?
Tell us the study's main condition →

Sponsored by Blinktbi, Inc. · Observational

Study type
Observational
Model
Case-only
Time perspective
Prospective
Enrollment
477
Ages
14 Years and older
Sex
All
01

Study summary

Using the Blink Reflexometer, athletes are scanned if they are potentially thought to have a concussion during a game or practice.

Read the detailed description

In a blinded trial, any patient who during a game or practice situation had head contact, thus possible Traumatic Brain Injury (TBI) aka Concussion, in addition to the current approved protocols, patients are scanned with the Blink Reflexometer. Results are not available until the end of the season, thus eliminating the potential of someone relying on the results. The Blink Reflexometer uses 5 puffs of air on the side of the eye over 20 seconds. The air causes a blink reflex which is being correlated to a concussion. The results of the blink post concussion are compared to a baseline scan taken at the beginning of the season.

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Conditions studied

  • Traumatic Brain Injury
  • Concussion, Brain

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Keywords

  • Concussion
  • TBI
  • Sports
  • Medical Device
  • Fast
03

In context

Brain Concussion Reclassified

637 studies on the registry are indexed under Brain Concussion; 163 are open to participants now.

This study's enrollment of 477 is above the median of 149 across 166 observational studies indexed under Brain Concussion.

Browse Brain Concussion studies →

Lead sponsor

This is the only study on the registry with Blinktbi, Inc. as lead sponsor.

Compared within Brain Concussion, this study's primary condition as ClinicalTrials.gg classifies it; the registry's first condition term is Brain Injuries, Traumatic. The counts are of registry records indexed under each term, refreshed daily. How we classify →

04

Who can participate

Ages eligible
14 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

Healthy volunteers with a minimum age of 14yo. Any sex, nationality, sport played, etc are accepted.

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Read, understand and sign patient consent (parent approval needed when pt is under 18yo)

Exclusion criteria

Exclusion Criteria:

  • Diagnosed concussion in past 4 weeks
  • Ingesting any drugs banned by the US Anti-doping Association (USADA)
  • Never prior diagnosed with a neurological abnormality, including Alzheimer's, MS, Huntington's, Epilepsy, etc.
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Study design

Observational model
Case-only
Time perspective
Prospective
Enrollment
477 participants (actual)
Patient registry
No

Groups and cohorts

  • Normal Volunteer

    Volunteers who report to have never had a concussion and are not at high risk of getting a concussion are scanned to obtain a baseline of all ages, sex, race, etc. All patients will be scanned with the Blink Reflexometer.

    Device: Blink Reflexometer

  • Concussion Protocol

    Athletes who had a potential concussion and will go through any stage of the approved protocol, are scanned by the Blink Reflexometer device. Results are then analyzed prior to unblinding the clinical diagnosis from an Athletic Trainer and/or Neurologist.

    Device: Blink Reflexometer

Interventions

  • DeviceBlink Reflexometer

    The device uses 5 light puffs of air to the side of the eye causing a blink reflex that is captured by the high-speed camera tracking the eyelids.

06

What researchers measure

Primary outcomes

  1. Accuracy of Concussion Diagnosis

    The results from the Blink machine should match the physicians diagnosis.

    Time frame: Data unblinded May 1, 2018 or at completion of season, which ever comes first.

Secondary outcomes

  1. Contributing Factors

    There are a number of factors that could possible change the blink reflex such as Caffeine and Tobacco. We are capturing this data to confirm that the device can be accurate despite a patient ingesting these items.

    Time frame: Data unblinded May 1, 2018 or at completion of season, which ever comes first.

  2. Average Baseline

    The goal is to eliminate the need for requiring a baseline scan on a patient in order to decide if they have a concussion or not. By scanning a large number of normal volunteers at various ages, sex, race, etc, we expect to see trends based on these factors.

    Time frame: Data unblinded May 1, 2018 or at completion of season, which ever comes first.

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Study locations

5 sites
  • Johnson. C. Smith University
    Charlotte, North Carolina 28216, United States
  • Hershey Bears Ice Hockey Team
    Hershey, Pennsylvania 17033, United States
  • The Citadel
    Charleston, South Carolina 29406, United States
  • South Carolina Stingrays
    North Charleston, South Carolina 29418, United States
  • Spartinburg High School
    Spartanburg, South Carolina 29307, United States
08

References and documents

Publications

  • Tsai NT, Goodwin JS, Semler ME, Kothera RT, Van Horn M, Wolf BJ, Garner DP. Development of a Non-Invasive Blink Reflexometer. IEEE J Transl Eng Health Med. 2017 Dec 19;5:3800204. doi: 10.1109/JTEHM.2017.2782669. eCollection 2017. PubMed 29285420 ↗
  • Garner, Goodwin, Tsai et al., Blink reflex parameters in baseline, active, and head-impact Division I athletes, Cogent Engineering, 2018; 5; 1429110

Individual participant data

Plan to share: Yes — All patient data will be anonymized prior to dissemination. Contact the sponsor for further details.

Supporting information: Study protocol, Informed consent form

Time frame: Protocol and ICF are available any time.

Access criteria: Case by case basis.

Data sharing details ↗ · www.blinktbi.com

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Jan 2016 to primary completion in Apr 2018, 27 months.

Of 94 observational studies under Brain Concussion, half reached primary completion within 35 months of starting (the median), counting those still running; a quarter within 16 and three quarters within 64. This study's 27 months is below that.

How these figures are worked out, and which studies are left out of them.

Registered
Dec 13, 2017
First posted
Dec 22, 2017
StartActual
Jan 1, 2016
Primary completionActual
Apr 17, 2018
CompletionActual
Apr 17, 2018
Last update
Apr 19, 2018
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Apr 19, 2018, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03381638
Lead sponsor
Blinktbi, Inc.
Responsible party
Sponsor
First posted
Dec 22, 2017
Start date
Jan 1, 2016
Primary completion
Apr 17, 2018
Completion
Apr 17, 2018
Last update
Apr 19, 2018

Study contacts

Dena Garner, Ph.D.
principal investigator · The Citadel

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Apr 2018. You cannot join it, but the record below documents what was studied.

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