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Trial registered on ANZCTR
Registration number
ACTRN12616000245493
Ethics application status
Approved
Date submitted
14/01/2016
Date registered
22/02/2016
Date last updated
22/02/2016
Type of registration
Retrospectively registered
Titles & IDs
Public title
Effects of cognitive and motor dual task on gait performance and brain activities in individuals with stroke
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Scientific title
Effects of cognitive and motor dual task on gait performance and brain activities in individuals with stroke
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Secondary ID [1]
288324
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None
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Universal Trial Number (UTN)
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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:
stroke
297289
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Condition category
Condition code
Stroke
297486
297486
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0
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Haemorrhagic
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Stroke
297490
297490
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0
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Ischaemic
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Intervention/exposure
Study type
Observational
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Patient registry
False
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
The walking conditions included walking at a normal pace and walking while performing a second cognitive or motor task. Gait performance and brain hemodynamics were recorded simultaneously during each walking condition.
*Normal-pace walking (NW): Participants were asked to walk at their normal pace on a 4.75*0.89 m walkway (GAITRite system, CIR system, Inc., Havertown, PA, USA) from one end to another, and to turn at the end of walkway and continue walking (for 60 s) until instructed to rest.
*Walking while performing a cognitive task (WCT): Participants were asked to walk on the same walkway while serially subtracting 3 from an initial 3-digit number and speaking out each calculated number as quickly as possible. The walking period was 60 seconds and ended with a rest.
*Walking while performing a motor task (WMT): Participants were asked to walk on the same walkway while carrying a tray with a bottle of water. Participants were asked to avoid dropping the bottle while walking. The walking period was 60 seconds and ended with a rest.
Each walking condition was repeated 2 times to yield a total of 6 walking trials (60 s for each) with random order.And 1 minute break between each 60 second trial. Approximate total duration of the test session was 15 minutes.
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Intervention code [1]
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Not applicable
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Comparator / control treatment
normal-pace walking (NW) condition
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Control group
Active
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Outcomes
Primary outcome [1]
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Speed, assessed by GAITRite system.
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Assessment method [1]
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Timepoint [1]
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measurement throughout each 60 second test condition.
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Primary outcome [2]
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Cadence, assessed by GAITRite system.
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Assessment method [2]
297343
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Timepoint [2]
297343
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measurement throughout each 60 second test condition.
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Primary outcome [3]
297344
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stride length, assessed by GAITRite system.
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Assessment method [3]
297344
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Timepoint [3]
297344
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measurement throughout each 60 second test condition.
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Secondary outcome [1]
319916
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brain activities in prefrontal cortex, premotor cortex, supplementary motor cortex assessed by functional near-infrared spectroscopy (fNIRS). (composite )
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Assessment method [1]
319916
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Timepoint [1]
319916
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continuous measurement throughout about 20 minute test condition
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Secondary outcome [2]
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stride time, assessed by GAITRite system.
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Assessment method [2]
320764
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Timepoint [2]
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measurement throughout each 60 second test condition.
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Secondary outcome [3]
320765
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dual task cost = (dual-task walking speed – single-task walking speed)/single-task walking speed * 100%. And the dual task cost was assessed by GAITRite system.
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Assessment method [3]
320765
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Timepoint [3]
320765
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measurement throughout each 60 second test condition.
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Secondary outcome [4]
320766
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Temporal asymmetry ratio = absolute value[1-(single support time (affected))/(single support time (unaffected))]. And the Temporal asymmetry ratio was assessed by GAITRite system.
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Assessment method [4]
320766
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Timepoint [4]
320766
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measurement throughout each 60 second test condition.
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Secondary outcome [5]
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Spatial asymmetry ratio = absolute value[1-(step length (affected))/(step length (unaffected))]. And the Spatial asymmetry ratio was assessed by GAITRite system.
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Assessment method [5]
320767
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Timepoint [5]
320767
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measurement throughout each 60 second test condition.
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Eligibility
Key inclusion criteria
(1) hemiparesis from a single stroke, (2) able to walk independently without an assistive device with gait velocity at least reached limited community walking ability (58 cm/s) by Perry et al’s classification system, (3) able to use both upper extremities to hold a tray to complete the assessment, (4) Stable medical condition to allow participation in the testing protocol, and (5) a score of >24 on the mini-mental state examination (MMSE).
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Minimum age
28
Years
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Maximum age
66
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
had any neurologic or orthopedic diseases that might interfere with the study
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Study design
Purpose
Natural history
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Duration
Cross-sectional
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Selection
Defined population
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Timing
Prospective
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Statistical methods / analysis
The repeated one way ANOVA was used to analyze the effects of dual task on gait performance and brain activities. The significant level was set at p<0.05.
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
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Actual
23/10/2013
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Date of last participant enrolment
Anticipated
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Actual
14/05/2014
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
30
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Accrual to date
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Final
25
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Recruitment outside Australia
Country [1]
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Taiwan, Province Of China
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State/province [1]
7525
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Taipei
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Funding & Sponsors
Funding source category [1]
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Government body
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Name [1]
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Ministry of Science and Technology
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Address [1]
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106, Sec. 2, Heping E. Rd., Taipei 10622, Taiwan, R.O.C
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Country [1]
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Taiwan, Province Of China
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Primary sponsor type
University
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Name
National Yang Ming University
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Address
106, Sec. 2, Heping E. Rd., Taipei 10622, Taiwan, R.O.C
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Country
Taiwan, Province Of China
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
291412
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Country [1]
291412
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
294163
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Institutional Review Board, Taipei Veterans General Hospital
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Ethics committee address [1]
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No.201, Sec. 2, Shipai Rd., Beitou District, Taipei City, Taiwan 11217, R.O.C.
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Ethics committee country [1]
294163
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Taiwan, Province Of China
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Date submitted for ethics approval [1]
294163
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20/05/2013
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Approval date [1]
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05/08/2013
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Ethics approval number [1]
294163
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2013-08-017A
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Summary
Brief summary
For individuals with stroke, executing cognitive and motor dual task deteriorated gait performance, and no significant difference was noted between the two dual tasks on gait performance. However, the brain areas may activate differently in response to different dual task walking challenges.
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Trial website
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Trial related presentations / publications
Lu CF, Liu YC, Yang YR, Wu YT, Wang RY: Maintaining Gait Performance by Cortical Activation during Dual-Task Interference: A Functional Near-Infrared Spectroscopy Study. PloS one 2015, 10(6):e0129390.
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Public notes
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Contacts
Principal investigator
Name
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Miss Yan-ci, Liu
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Address
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Department of Physical Therapy and Assistive Technology, National Yang-Ming University, 112. No. 155, Sec 2, Li Nong St., Shih-Pai, Taipei, Taiwan
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Country
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Taiwan, Province Of China
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Phone
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+886988525068
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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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Ray-yau, Wang
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Address
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Department of Physical Therapy and Assistive Technology, National Yang-Ming University, 112. No. 155, Sec 2, Li Nong St., Shih-Pai, Taipei, Taiwan
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Country
62755
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Taiwan, Province Of China
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Phone
62755
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+886928231905
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Fax
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Email
62755
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[email protected]
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Contact person for scientific queries
Name
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Ray-yau, Wang
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Address
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Department of Physical Therapy and Assistive Technology, National Yang-Ming University, 112. No. 155, Sec 2, Li Nong St., Shih-Pai, Taipei, Taiwan
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Country
62756
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Taiwan, Province Of China
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Phone
62756
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+886928231905
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Fax
62756
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Email
62756
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[email protected]
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No information has been provided regarding IPD availability
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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