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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05367128
Other study ID # YM111015F
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date July 25, 2022
Est. completion date June 2023

Study information

Verified date September 2022
Source National Yang Ming University
Contact Ray-Yau Wang, PhD
Phone +886-2-2826-7210
Email rywang@nycu.edu.tw
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this single-blinded three-armed randomized controlled trial is to investigate the effect of different task prioritization during dual task training on dual task performance.


Description:

Introduction: Many activities of daily livings involve performing two tasks simultaneously, i.e. dual tasking. Performing dual task increases the demand on attentional resources, which may further decrease the dual task performance, especially in older adults. According to capacity sharing theory, the two tasks compete and influence with each other due to limited attention and information processing capacity. It has been noted that task prioritization during dual tasking may influence the dual task performance. Previous study indicated that supraposture-focus strategy resulted in better posture and task performance in older people. On the other hand, it is known that dual task training improved dual task performance. However, the effects of applying task prioritization during dual task training have not yet been investigated. Therefore, the purpose of this study is to investigate the effect of different task prioritization during dual task training on dual task performance. Methods: Participants will be randomized into three groups: posture-focus, supraposture-focus and control group. Participants will receive a total of 12 sessions of cognitive dual task training with different prioritization strategies, i.e. prioritization on posture, cognitive or neither task. Walking and task performance during dual task walking, executive function, and balance performance will be assessed before and after the interventions (pre- and post-test).


Recruitment information / eligibility

Status Recruiting
Enrollment 39
Est. completion date June 2023
Est. primary completion date June 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 65 Years and older
Eligibility Inclusion Criteria: - Age = 65 years old - MMSE scores > 24 Exclusion Criteria: - Unstable health conditions - Any neurological, psychological disease or diagnosis of learning disability which interferes the participation in this study

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Dual task training
All participants will receive cognitive dual task training for 30 min/session, 2-3 sessions/week for 4-6 weeks (a total of 12 sessions). The cognitive dual task training includes 15 min of cognitive task combining with standing task and 15 min of cognitive task combining with walking task. The differences among group are the instructions of task prioritization given by the therapist

Locations

Country Name City State
Taiwan National Yang Ming Chiao Tung University Taipei

Sponsors (1)

Lead Sponsor Collaborator
National Yang Ming University

Country where clinical trial is conducted

Taiwan, 

Outcome

Type Measure Description Time frame Safety issue
Primary Dual task walking performance assessment- speed (m/s) Using GaitUp system to evaluate gait speed during cognitive and motor dual task walking Change from baseline dual task walking speed and up to 6 weeks (pre- and post-test)
Primary Dual task walking performance assessment- cadence (steps/min) Using GaitUp system to evaluate cadence during cognitive and motor dual task walking Change from baseline dual task walking cadence and up to 6 weeks (pre- and post-test)
Primary Dual task walking performance assessment- stride length variability (CV, %) Using GaitUp system to evaluate stride length variability during cognitive and motor dual task walking Change from baseline dual task walking stride length variability and up to 6 weeks (pre- and post-test)
Primary Dual task walking performance assessment- stride time variability (CV, %) Using GaitUp system to evaluate stride time variability during cognitive and motor dual task walking Change from baseline dual task walking stride time variability and up to 6 weeks (pre- and post-test)
Primary Rate of dual task cost- gait speed (%) Using the dual and single task walking speed to calculate the dual task cost of gait speed Change from baseline dual task cost and up to 6 weeks (pre- and post-test)
Secondary Trail Making Test Use Trail Making Test (TMT)-Chinese version to indicate executive function. The duration for completing the test will be measured, and the shorter duration means the better executive function. Change from baseline Trail Making Test and up to 6 weeks (pre- and post-test)
Secondary Berg Balance Scale Use Berg Balance Scale (BBS) to assess balance performance. Berg balance scale scoring ranges from 0 to 56. The higher scores indicate better balance performance. Change from baseline Berg Balance Scale and up to 6 weeks (pre- and post-test)
Secondary Single task walking performance assessment- speed (m/s) Using GaitUp system to evaluate gait speed during single walking Change from baseline single task walking speed and up to 6 weeks (pre- and post-test)
Secondary Single task walking performance assessment- cadence (steps/min) Using GaitUp system to evaluate cadence during single walking Change from baseline single task walking cadence and up to 6 weeks (pre- and post-test)
Secondary Single task walking performance assessment- stride length variability (CV, %) Using GaitUp system to evaluate stride length variability during single walking Change from baseline single task walking stride length variability and up to 6 weeks (pre- and post-test)
Secondary Single task walking performance assessment- stride time variability (CV, %) Using GaitUp system to evaluate stride time variability during single walking Change from baseline dual task walking stride time variability and up to 6 weeks (pre- and post-test)
Secondary Cognitive dual task walking performance assessment- correct number (times) The number of the correct answer for serially subtracting "7" from a predefined 3-digit number during cognitive dual task walking task will be recorded. Change from baseline cognitive dual task walking performance and up to 6 weeks (pre- and post-test)
Secondary Motor dual task walking performance assessment- number of go (pieces) The number of successfully transferred go pieces from one side to another during motor dual task walking task will be recorded. Change from baseline motor dual task walking performance and up to 6 weeks (pre- and post-test)
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