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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06112574
Other study ID # COGMOS-pilotRCT
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date October 2023
Est. completion date December 2024

Study information

Verified date October 2023
Source Danderyd Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Stroke is a leading and growing cause of long-term adult disability. Up to 80% of stroke patients have impaired manual dexterity reducing their independence, return to work and quality of life. Cognitive impairment is also common after stroke and growing evidence suggests a cognitive-motor interdependence with relevance for motor recovery. Previous studies show increased cognitive-motor interference (measured in dual-task) in stroke patients and that combining motor and cognitive task training (in a dual-task) may improve motor function above that achieved by single-task training. This project addresses post-stroke dexterity impairment and its relation to dual-task interference, i.e., the decrease in motor performance when performing a concurrent cognitive task. The overall goal is to provide a proof-of-concept for a dual-task interference training protocol post-stroke. We aim to establish therapeutic efficacy of dual-task vs single-task dexterity training in chronic stroke patients.Single-task training involves visuomotor finger force tracking and dual-task has an additional cognitive components including visual distraction and working memory. Training will be done 4 days/week over four weeks (total 16 sessions). Each session will include 20 mins of conventional therapy (stretching, functional exercises) followed by 40 mins motor task training (either single or dual task). This pilot randomized clinical trial will include 40 stroke patients (> 6 months after stroke). Repeated clinical and fine-grained motor measurements will be obtained pre and post intervention and at 3 months follow-up.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 40
Est. completion date December 2024
Est. primary completion date December 2024
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria: - adults with clinical diagnosis of stroke and history of upper limb hemiparesis. Arm and hand paresis is defined as weakness according to Manual Muscle Testing (score less than 4/5 in one upper limb muscles) - reported difficulty in opening/closing of hand or difficulty in using the hand in daily activities Exclusion Criteria: - inability to grasp and displace an object (minimum score of 1 on Box and Block Test, BBT) - impaired cognition (MOCA score <23) - cerebellar stroke - aphasia disturbing communication and understanding of training task - neglect interfering with ability to see task on screen

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Visuomotor force control training
Single-task training involves visuomotor finger force tracking and dual-task has an additional cognitive components including visual distraction and working memory.

Locations

Country Name City State
Sweden Department of Rehabilitation Medicine, Danderyd Hospital Danderyd Stockholm
Sweden Danderyd Hospital, Division of Rehabilitation Medicine, Dept. of Clinical Sciences, Karolinska Institutet Stockholm Danderyd

Sponsors (1)

Lead Sponsor Collaborator
Danderyd Hospital

Country where clinical trial is conducted

Sweden, 

Outcome

Type Measure Description Time frame Safety issue
Primary Fugl-Meyer Assessment change (FMA change) Assesses sensory and movement related functions in the upper extremity (0 points max impairment summed up to 66 points max no detected impairment) At baseline and at 3 to assess change.
Secondary Box and Block change (BBT change) Assesses gross dexterity by timing how many blocks can be grasped and displaced in one minute (measured as blocks/min) At baseline and at 3 to assess change.
Secondary Logical reasoning change (WAIS IV matrices change) Assesses intelligence through four composite socres: verbal comprehension, perceptual reasoning, working memory and processing speed (scored from 45 to 155). At baseline and at 3 to assess change.
Secondary Attention change (D-KEFS trail making test 1-5) Trail making test assesses attention capacites in five conditions: visual scanning, number sequencing, letter sequencing, number-letter sequencing, and motor speed (the speed of each condition is noted in seconds, max 150seconds). [At baseline and at 3 to assess change.
Secondary Executive function change (D-KEFS FAS, D-KEFS tower) Assesses executive function capacities such as spatial planning, rule learning, inhibition of impulsive responding, inhibition of perseverative responding, and establishing and maintaining instructional set. Scoring: raw scores are converted to scaled scores through established age and gender normative data, Mean=10, standard deviation=3). At baseline and at 3 to assess change.
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