NCT01552577

Brief Summary

The purpose of this study is to develop and validate eye-tracking measures that can be used to evaluate neurocognitive dysfunction among individuals with traumatic brain injury (TBI).

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
183

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Oct 2010

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2010

Completed
1.4 years until next milestone

First Submitted

Initial submission to the registry

March 8, 2012

Completed
5 days until next milestone

First Posted

Study publicly available on registry

March 13, 2012

Completed
3.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2015

Completed
2.2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2017

Completed
Last Updated

December 17, 2018

Status Verified

December 1, 2018

Enrollment Period

4.8 years

First QC Date

March 8, 2012

Last Update Submit

December 14, 2018

Conditions

Keywords

Post-Concussion SyndromeConcussionBrain InjuryTBIMilitary PersonnelEye-trackingNeurocognitive FunctionAssessment

Outcome Measures

Primary Outcomes (1)

  • Performance on the eye tracking measures

    Baseline

Secondary Outcomes (3)

  • Psychological symptoms

    Baseline

  • Performance on the neurocognitive assessment battery

    Baseline

  • Post-concussive symptoms

    Baseline (and telephone follow-up, for TBI group)

Study Arms (2)

TBI Group

Adults (civilian or military) with a history of one or more brain injuries / concussions.

Control Group

Healthy adults (civilian or military) with no history of brain injury.

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

The population to be studied will include civilians and military personnel with and without a history of traumatic brain injury / concussion.

You may qualify if:

  • years of age or older
  • No history of brain injury or concussion
  • Fluency and literacy in English
  • Can effectively communicate verbally
  • Willing and able to provide written informed consent
  • Obtains signed permission to participate from supervisor and/or brigade commander (federal civilian employees and active duty military personnel only).

You may not qualify if:

  • Impaired or fluctuating level of consciousness / arousal
  • Any medical condition that could impair cognitive abilities (e.g. muscular dystrophy, multiple sclerosis, psychosis)
  • History of any neurological conditions such as brain tumor, brain infection, seizure or stroke
  • Any visual impairment that is not corrected by glasses/contacts
  • Motor impairment or amputation of one or both upper extremities
  • years of age or older
  • History of one or more brain injuries / concussion
  • Fluency and literacy in English
  • Can effectively communicate verbally
  • Willing and able to provide written informed consent
  • Obtains signed permission to participate from supervisor and/or brigade commander (federal civilian employees and active duty military personnel only).
  • Impaired or fluctuating level of consciousness / arousal
  • Any medical condition that could impair cognitive abilities (e.g. muscular dystrophy, multiple sclerosis, psychosis), other than TBI
  • History of any neurological conditions (such as brain tumor, brain infection, seizure or stroke) that was NOT associated with or resulting from traumatic brain injury
  • Any visual impairment that is not corrected by glasses/contacts
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

USUHS

Bethesda, Maryland, 20814, United States

Location

MeSH Terms

Conditions

Brain Injuries, TraumaticPost-Concussion SyndromeBrain ConcussionBrain Injuries

Condition Hierarchy (Ancestors)

Brain DiseasesCentral Nervous System DiseasesNervous System DiseasesCraniocerebral TraumaTrauma, Nervous SystemWounds and InjuriesHead Injuries, ClosedWounds, Nonpenetrating

Study Officials

  • Mark Ettenhofer, Ph.D

    Uniformed Services University of the Health Sciences

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
CROSS SECTIONAL
Sponsor Type
FED
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

March 8, 2012

First Posted

March 13, 2012

Study Start

October 1, 2010

Primary Completion

August 1, 2015

Study Completion

October 1, 2017

Last Updated

December 17, 2018

Record last verified: 2018-12

Locations