- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02844543
EYE-TRAC Advance: Technology Verification (ETA-TV) Cohort 1 (ETA-TV)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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California
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Stanford, California, United States, 94305
- Stanford University
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria
- Athletes between the age of 18- 25-years-old.
- 20/30 or better eyesight (corrected vision allowed).
- English fluency.
Exclusion criteria
Note: Under Cohort 1, Athletes that have conditions listed below will not be excluded from the study. They will be enrolled and their subject data will be analyzed separately from subjects who do not endorse any significant medical hx under neurological, eye-sight, or psychiatric categories.
- Clinical diagnosis of a neurological condition including the following: Stroke, Multiple Sclerosis, Epilepsy, Brain Tumor/Cancer, Nystagmus and/or other major neurological condition.
- Clinical diagnosis of any of the following eye-sight abnormalities: Uncorrected Amblyopia, Uncorrected Myopia, Uncorrected Presbyopia, Uncorrected Farsightedness, or Uncorrected Astigmatism.
Psychiatric history with any of the following:
- Clinical diagnosis of a psychotic disorder, bipolar disorder - lifetime
- Clinical diagnosis of ADHD or ADD - Lifetime
- Clinical diagnosis of major depressive disorder - within last year
- Clinical diagnosis of substance abuse disorder - within last year
Clinical diagnosis of major anxiety disorder - within last year
MEDICATION
- Requires use of a psychotropic medication.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Athletes
Participants will be evaluated using the EYE-SYNC eye-tracking device, Desktop Eye-Tracker, and Sport Concussion Assessment Tool (SCAT-3) tool.
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The EYE-SYNC® portable eye-tracking system.
The eye tracker is a handheld isolated display environment with embedded eye tracking sensors.
The eye tracker is connected to a high-performance Windows tablet though a customized docking station.
Included accessories with EYE-SYNC are a U.S. tablet power supply adapter and disposable sanitary masks.
Participants are asked to follow a dot with their eyes, as the dot moves on the screen of the EYE-SYNC device.
The Symptom subtest of SCAT-3 assessment tool will be administered to participants.
Eye movements are recorded with an eye tracking system (Desktop Eye-Tracker, Eyelink CR, SR Research) with up to 1000 Hz temporal resolution.
The target stimulus is presented on a computer screen approximately 50 cm from the participant.
Participants are asked to follow a dot with their eyes, as the dot moves on the monitor screen of the desk-top eye-tracking device.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in the Eye-tracking Score Before and After Practice or Game: Phase Error
Time Frame: Up to 6 hours
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The EYE-SYNC test was performed before and after practice to analyze the effect of exercise and sub-concussive impact. The movement of eye was tracked using EYE-SYNC. The data were recorded in a surface tablet connected to EYE-SYNC. Phase error is defined as the difference in degrees between movement of the target and the movement of the eye. Positive values indicate the eye is ahead of the target; negative values indicate the eye is behind the target. |
Up to 6 hours
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Changes in the Eye-tracking Score Before and After Practice or Game: Tangential and Radial Error
Time Frame: Up to 6 hours
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The EYE-SYNC test was performed before and after practice to analyze the effect of exercise and sub-concussive impact. The movement of eye was tracked using EYE-SYNC. The data were recorded in a surface tablet connected to EYE-SYNC. Tangential and radial error are defined as degrees of variation in eye tracking along a circular path (tangential) and at 90 degrees to the tangential path (radial). Positive values indicate the eye is ahead of the target; negative values indicate the eye is behind the target. |
Up to 6 hours
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Changes in the Eye-tracking Score Before and After Practice or Game: Vertical and Horizontal Gain
Time Frame: Up to 6 hours
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The EYE-SYNC test was performed before and after practice to analyze the effect of exercise and sub-concussive impact. The movement of eye was tracked using EYE-SYNC. The data were recorded in a surface tablet connected to EYE-SYNC. Vertical and horizontal gain are defined as the ratio of velocity (velocity of the eye:velocity of the target). Positive values indicate the eye is ahead of the target; negative values indicate the eye is behind the target. |
Up to 6 hours
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in Sport Concussion Assessment Tool (SCAT-3) Standardized Assessment of Concussion (SAC) Score
Time Frame: Day of study/event (up to 6 hours)
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Change in SCAT-3 SAC score before and after practice or game is reported.
The SAC score is based on the following assessments: number of symptoms (22 points), symptom severity (132 points), orientation (5 points), immediate memory (15 points), concentration (5 points), and delayed recall (5 points).
Scores are summed for a possible range of 0 to 184, with lower scores corresponding to fewer concussion symptoms, and higher scores corresponding to more concussion symptoms.
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Day of study/event (up to 6 hours)
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jessica Little, PhD, Stanford University
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 34662
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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