New Technology for Individualised, Intensive Training of Gait After Stroke Study I

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

NA

Total Enrollment

2 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-01-01

Study Completion Date

2018-09-01

Brief Summary

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The overall purpose of this project is to establish the added value of training with the Hybrid Assistive Limb (HAL) exoskeleton system as part of regular rehabilitation intervention programs after stroke.

The aim of this study is to explore if HAL training when combined with conventional training in the subacute stage after stroke may accelerate the recovery of independence in walking when compared to conventional training only and if recovery is related to stroke lateralization?

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Detailed Description

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Patients will be randomized using a block randomization by a nurse, who is not otherwise involved in the study, into either 1) HAL training in addition to the conventional program or 2) evidence based conventional gait training only. The block randomization will be designed so that an even number of patients with left and right sided hemiparesis will have been included in each group at the end of the study.

Conventional training (including gait practice) will be performed according to current best practice (approximately 30-60 min per day, 5 days per week) and may include stepping, weight shifting, over ground walking as well as the use of a treadmill with/without body weight support (BWS).

HAL training will be performed 4 days a week for 4 weeks (i.e. 16 sessions) with the single-leg version of HAL, primarily by use of the voluntary HAL-mode (CVC mode), on a treadmill with BWS. The therapist(s) educated in the HAL method will optimize the HAL settings for each individual during each session, in order to obtain a symmetrical gait pattern as close to normal gait as possible.

Outcomes The primary outcome will be changes in the FAC-score during the intervention. FAC assesses activity in terms of independence in walking on a six-grade-ordinal-scale ranging from non-functional walking to independent walking outside. During the intervention assessments with the FAC will be performed weekly by the patients' physiotherapist responsible for conventional rehabilitation. This therapist will otherwise not be involved in the study.

Secondary outcomes include aspects of body functions assessed by use of the NIH Stroke Scale, Albert's test, Fugl-Meyer Assessment(FMA-LE) and the Modified Ashworth Scale for the lower extremities.

Activities and Participation will be assessed by use of Functional Ambulation Categories, 2 minutes walk test in self-preferred speed, Berg Balance Scale, Barthel Index and EQ5D.

Patients' perception of training will be assessed by a study specific questionnaire.

Adverse events (such as irritated skin, pain, falls) will be documented continuously in the study protocol according to a specific study form.

Assessments will be performed 1) before and 2) after the intervention with 3) a follow up at 6 months.

Conditions

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Stroke Ambulation Difficulty Hemiparesis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Hybrid Assistive Limb (HAL)

Group Type EXPERIMENTAL

Hybrid Assistive Limb (HAL)

Intervention Type DEVICE

Intensive gait training with Hybrid Assistive Limb (HAL) is performed, 1 session/day, 4 days/week during 4 weeks. Time for each session is individualised but does not exceed 60 minutes/session (effective walking time with HAL).

Conventional gait training

Group Type ACTIVE_COMPARATOR

Conventional gait training

Intervention Type OTHER

The conventional gait training is performed according to current best evidence based practice and may include over ground walking with assistance and/or assistant devices as well as the use of a treadmill and body weight support and training of gait function in activities of daily living.

Interventions

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Hybrid Assistive Limb (HAL)

Intensive gait training with Hybrid Assistive Limb (HAL) is performed, 1 session/day, 4 days/week during 4 weeks. Time for each session is individualised but does not exceed 60 minutes/session (effective walking time with HAL).

Intervention Type DEVICE

Conventional gait training

The conventional gait training is performed according to current best evidence based practice and may include over ground walking with assistance and/or assistant devices as well as the use of a treadmill and body weight support and training of gait function in activities of daily living.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

Patients aged 18-67 will be recruited from 1) the University Department of Rehabilitation Medicine at Danderyd Hospital in Stockholm and 2) Sahlgrenska University Hospital in Gothenburg, where they are admitted to inpatient rehabilitation early after stroke. Inclusion criteria will be: less than 8 weeks since stroke onset; inability to walk independently due to lower extremity paresis (i.e. Functional Ambulation Categories (FAC) score 0-1), able to sit on a bench with or-without supervision at least 5 minutes; sufficient postural control to allow upright position in standing with aids and/or manual support; ability to understand training instructions as well as written and oral study information and to express informed consent; body size compatible with the HAL suit.

Exclusion Criteria

Exclusion criteria include: contracture restricting gait movements at any lower limb joint; cardiovascular or other somatic condition incompatible with intensive gait training; and severe, contagious infections.

Minimum Eligible Age

18 Years

Maximum Eligible Age

67 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No