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Trial registered on ANZCTR
Registration number
ACTRN12615000251527
Ethics application status
Approved
Date submitted
2/03/2015
Date registered
19/03/2015
Date last updated
25/11/2019
Date data sharing statement initially provided
25/11/2019
Type of registration
Prospectively registered
Titles & IDs
Public title
Neurocognitive training for traumatic brain injury: cognitive, behavioural, and electrophysiological outcomes.
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Scientific title
Does neurocognitive training improve cognitive, behavioural, and electrophysiological outcomes in adults with TBI compared to a waitlist control group?
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Secondary ID [1]
286104
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Nil known
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Universal Trial Number (UTN)
U1111-1166-9172
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Traumatic brain injury
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Condition category
Condition code
Injuries and Accidents
294418
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0
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Other injuries and accidents
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Neurological
294751
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0
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Other neurological disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
The Focus Pocus (version 2) neurocognitive training software was developed by NeuroCog Proprietary Limited incorporating intellectual property licensed from UOW. The software consists of a series of wizard-themed, computerised, mini-games targeting inhibitory control (IC), working memory (WM) and state control (SC). During use of the software, participants are required to wear a portable EEG headset; the NeuroSky MindWave. The headset records EEG from a single, dry, sensor resting on the forehead referenced to an ear-clip electrode.
During SC games, participants are instructed to ‘focus’, ‘relax’ or induce a state of ‘zen' (i.e. focused and relaxed), and the corresponding EEG pattern is used to control elements of the game (e.g. the speed of the player in a broomstick race). During WM and IC games, EEG is passively monitored and categorised according to attention level during the game, with attention level then used as a multiplier for game points. Game difficulty adapts constantly based on performance to ensure that games are challenging but not too difficult. Participants receive on-screen feedback about performance following each game.
In the present study, participants will be required to complete 25 sessions of the neurocognitive training, at a rate of 5 sessions per week. Each training session will consist of 6 SC, 4 WM, and 4 IC games, and will take approximately 20 minutes to complete. Participants will self-administer the training in their own homes, using their own personal computer or iOS device and a loan headset. Data regarding training compliance and performance will be sent to an online server, so that researchers can monitor progress.
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Intervention code [1]
291101
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Rehabilitation
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Comparator / control treatment
Participants in a waitlist control condition will be offered the neurocognitive training program after the 6 week follow-up period.
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Control group
Active
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Outcomes
Primary outcome [1]
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EEG power in resting and active conditions
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Assessment method [1]
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Timepoint [1]
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Baseline and post-training
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Primary outcome [2]
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Scores on the Behaviour Rating Inventory of Executive Function for adults (BRIEF-A)
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Assessment method [2]
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Timepoint [2]
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Baseline, post-training, and 6 week follow-up
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Primary outcome [3]
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Scores on the subtest CogState cognitive assessment battery
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Assessment method [3]
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Timepoint [3]
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Baseline and post-training
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Secondary outcome [1]
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Performance (accuracy and reaction time) on an auditory Go/Nogo task
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Assessment method [1]
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Timepoint [1]
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Baseline and post-training
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Secondary outcome [2]
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Performance (accuracy and reaction time) on an auditory oddball task
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Assessment method [2]
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Timepoint [2]
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Baseline and post-training
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Secondary outcome [3]
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Performance on a Stop-signal task
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Assessment method [3]
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Timepoint [3]
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Baseline and post-training
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Secondary outcome [4]
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Event-related potentials in an auditory Go/Nogo task
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Assessment method [4]
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Timepoint [4]
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Baseline and post-training
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Secondary outcome [5]
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Event-related potentials in an auditory oddball task
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Assessment method [5]
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Timepoint [5]
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Baseline and post-training
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Secondary outcome [6]
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Event-related potentials in a stop-signal task
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Assessment method [6]
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Timepoint [6]
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Baseline and post-training
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Eligibility
Key inclusion criteria
Sustained a TBI at least 6 months ago
Subjective reports of cognitive impairment (attention, memory, executive function)
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Minimum age
18
Years
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Maximum age
50
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Drug and alcohol disorders
Psychiatric disorders, dementia or neurodegenerative disease
Vision, hearing, motor or communication problems restricting use of computer software/hardware
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Withdrawn
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Reason for early stopping/withdrawal
Participant recruitment difficulties
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Date of first participant enrolment
Anticipated
24/03/2015
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
40
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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University of Wollongong
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Address [1]
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Wollongong NSW 2522
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Country [1]
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Australia
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Primary sponsor type
University
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Name
University of Wollongong
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Address
School of Psychology
University of Wollongong
Wollongong NSW 2522
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Country
Australia
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Secondary sponsor category [1]
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Individual
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Name [1]
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Stuart Johnstone
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Address [1]
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School of Psychology
University of Wollongong
Wollongong NSW 2522
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Country [1]
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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UOW & ISLHD Health and Medical Human Research Ethics Committee
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Ethics committee address [1]
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Ethics Unit, Research Services Office
University of Wollongong NSW 2522
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
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Approval date [1]
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09/05/2014
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Ethics approval number [1]
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HE13/110
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Summary
Brief summary
The primary purpose of the study is to assess the efficacy of a neurocognitive training program for improving executive function and arousal state modulation in adults with traumatic brain injury. It is expected that compared to a waitlist control, those who complete the training will show improvements on a rang of cognitive and behavioural measures of executive function, as well as improvement in their ability to regulate arousal state of the brain (brain activity measured by EEG).
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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A/Prof Stuart Johnstone
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Address
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School of Psychology
University of Wollongong
Wollongong NSW 2522
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Country
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Australia
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Phone
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+61 2 4221 4495
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Fax
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Email
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[email protected]
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Contact person for public queries
Name
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Miss Melinda Hickey
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Address
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School of Psychology
University of Wollongong
Wollongong NSW 2522
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Country
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Australia
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Phone
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+61 2 4221 4164
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Name
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Miss Melinda Hickey
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Address
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School of Psychology
University of Wollongong
Wollongong NSW 2522
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Country
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Australia
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Phone
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+61 2 4221 4164
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Fax
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Email
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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