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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05359367
Other study ID # 2021-05430-01
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date November 29, 2023
Est. completion date June 15, 2026

Study information

Verified date November 2023
Source Danderyd Hospital
Contact Susanne Palmcrantz, PhD
Phone +46 (0)709567653
Email susanne.palmcrantz@ki.se
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The purpose of this study is to elucidate pathophysiological mechanisms behind gait disturbances during the early recovery phase after hemiparetic stroke to identify targets for new treatment strategies. Using an explorative, observational study design, pathophysiological mechanisms at play during the early recovery phase will be monitored, by repeated clinical assessments during inpatient rehabilitation as well as examinations of muscle activation patterns, kinematics of walking, corticospinal and reticulospinal function < 1 month, 3 and 6 months after hemiparetic stroke. Inclusion: Eligible patients will have suffered a stroke, verified by CT or MRI examination and are admitted to inpatient care at the University Department of Rehabilitation Medicine Danderyd Hospital (RUDS). Thirty patients will be included consecutively. With an anticipated loss of 4-10 patients, at least 20 are expected to complete the study. The clinical assessment protocols include standardized measures for the assessment of clinical and self-perceived aspects of functioning and disability. These assessments will be performed and repeated < 1 month, at 3 months and 6 months post-stroke by a therapist not responsible for rehabilitation interventions. At each of these assessment instances, laboratory movement analysis including electromyography (EMG) and ultrasound of the lower extremity muscle will be performed. In addition, a short assessment of body function and activity will be performed weekly during inpatient rehabilitation.


Recruitment information / eligibility

Status Recruiting
Enrollment 30
Est. completion date June 15, 2026
Est. primary completion date December 15, 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Participants with hemiplegia, dependence in ambulation (1- 4 according to the Functional Ambulation Categories (FAC)), - >= 50 points on the Trunk Control Test. - Impaired dorsiflexion manifested as impaired voluntarily dorsiflexion and inability to hold the ankle in a dorsiflexed position while sitting, and for ambulatory participants, impaired dorsiflexion during swing phase and initial contact during visual inspection of gait. - Recommended for an ancle foot orthosis (AFO) by an experienced physiotherapist. Able to understand study information and provide informed consent. Exclusion Criteria: - Contracture that severely restricts gait movements in a lower limb joint, - cardiovascular or other somatic condition incompatible with intensive gait training, - notifiable infectious disease, contagious infections (e.g. MRSA or ESBL) - Inability to participate in the rehabilitation intervention due to behavioral or psychiatric disorder - when magnetic resonance imaging will be performed, additional exclusion criteria are current or history of epilepsy, metal implants in the brain/skull cochlear implants, any implanted neurostimulator, cardiac pacemaker or cardiac implants of metal and infusion device.

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Observational
Laboratory movement analysis, navigated transcranial magnetic stimulation and clinical aspects of gait function and walking.

Locations

Country Name City State
Sweden Department of Rehabilitation Medicine, Danderyd Hospital Danderyd Stockholm

Sponsors (2)

Lead Sponsor Collaborator
Danderyd Hospital KTH Royal Institute of Technology

Country where clinical trial is conducted

Sweden, 

Outcome

Type Measure Description Time frame Safety issue
Primary Fugl-Meyer score (FMA-LE) Assesses sensory and movement related functions in the lower extremity (0p max impairment summed up to 86p max no detected impairment) At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary Motion analysis during gait In a movement laboratory (Vicon V16), data for motion analysis will be collected by assessing orientation of body segments and joint angle trajectories and forces by means of force plates (AMTI) during walking. At baseline, at 3 and 6 months to assess change.
Secondary Electromyography (EMG) EMG is used to measure muscle activation patterns during gait. At baseline, at 3 and 6 months to assess change.
Secondary Neuroflexor Medical technology device. Assesses spasticity by identifying the neural, viscous and elastic components during passive movement using a biomechanical algorithm (presented in Newton) At baseline, at 3 and 6 months to assess change.
Secondary Modified Ashworth scale 0-5 Assesses spasticity on a 6 point scale/muscle (0p no impairment, 5p max impairment/muscle) At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary Passive range of motion in the lower extremity Clinical assessment of range of motion with a goniometer At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary The 10 meter walk test Assesses gait speed At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary 6 minutes walk test Assesses walking endurance in meters walked At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary Rated Perceived Exertion (RPE) Scale Ratings (min 6, max 20) according to the RPE scale are made at the end of the 6 minutes walk test. At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary The Functional Ambulation Categories (FAC) Assesses independence in walking (0p nonfunctional, 5p independent) Total score 0-5p At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary The Balance evaluation systems test (BEST-test) Assesses postural control, incorporating bio-mechanical systems, limits of stability, anticipatory postural adjustment, automatic postural responses, sensory orientation, stability in gait (0p max impairment summed up to 108p no impairment) At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary Falls Efficacy Scale (FES-S) Assesses self perceived balance in every day life activities rated on a 11 point scale (0p not safe at all 10p completely safe). Total score: 0- 130 p At baseline and at 3 and 6 months to assess change.
Secondary Navigated Transcranial magnetic stimulation (nTMS) To estimate the integrity of the corticospinal tract, transcraniel magnetic stimulation will be applied to the primary motor cortex and motor evoked potentials will be will be recorded from the lower leg muscles using electromyography. At baseline and at 3 and 6 months to assess change.
Secondary The Montreal Cognitive Assessment (MoCa) Assesses mental function (0p max impairment summed up to 30p no detected impairment) At baseline and at 3 and 6 months to assess change.
Secondary National Institute of Health Stroke Scale To assess overall effects of stroke (ranging from 0-44 points, a higher score indicating more severe disability). At baseline and at 3 and 6 months to assess change.
Secondary Barthel Index Assesses independence in mobility and personal care (0p dependent 10/15p independent) Total score 0-100p At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary Monofilament Measuring cutaneous sensory perception threshold under foot with a pressure of 4, 6 and 10 grams. At baseline, at 3 and 6 months to assess change.
Secondary Pain drawing Self-assessed location and type of pain on the body At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary Numeric rating scale of pain Self-rated general intensity of pain at time of assessment (0 no pain, 10 worst imaginable pain) At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary Medical Research Council scale Assesses movement strength at a specific joint and motion (0 no muscle activity 5 normal force) At baseline, weekly during inpatient rehab and at 3 and 6 months to assess change.
Secondary Walking impact scale (Walk-12) Measures rated limitations in walking activities (1 no limitation, 5 extreme limitation) At baseline and at 3 and 6 months to assess change
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