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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02196298
Other study ID # 12-293
Secondary ID
Status Completed
Phase Phase 2
First received April 9, 2014
Last updated January 30, 2017
Start date October 2012
Est. completion date January 30, 2017

Study information

Verified date January 2017
Source Holland Bloorview Kids Rehabilitation Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The Lokomat is a robotic treadmill gait trainer that is used to help people who have neurologic conditions walk better. Early research with children with cerebral palsy (CP) shows that it may help to improve walking skills. The purpose of this two-group randomized study is to compare Lokomat training to regular physiotherapy (PT) as far as impact on walking abilities and related function. The primary (alternate) hypothesis is that children will improve more with Lokomat training in terms of gross motor skills and walking endurance.

The investigators are enrolling 40 ambulatory children who are ages 5 to 12 years, have CP and are in Gross Motor Function Classification System (GMFCS) Level II (n=20) or III (n=20). In this crossover randomized clinical trial (RCT), whether PT or Lokomat intervention is done first is decided by an independent randomization process that occurs after the first baseline assessment. In the Lokomat phase, children receive 8 to 10 weeks of twice weekly therapy for a maximum of 16 sessions. Each session is 35 minutes plus the time needed for set-up. The 35 minute PT program is also given twice weekly for 8 to 10 weeks for a maximum of 16 sessions, and focuses on a menu-based strength, co-ordination, fitness, walking and balance activities. There is a 6 week break between the Lokomat and PT interventions.

Each child has four study assessments during their ~6 months in the study. The first assessment is done before starting the Lokomat or physiotherapy phase. The second happens after the first intervention has finished. The child then has a 6-week break period. The third assessment is done at the end of this break, and the fourth occurs after the second intervention. The PT assessor who does these assessments will not be the same as the PT who gives the intervention. The assessor is blinded to the child's intervention phase and previous assessment results. The primary outcome measures are the Gross Motor Function Measure and 6 minute walk test. Secondary measures evaluate gait, functional abilities, participation, health related quality of life and individualized goals.

The randomized aspect of the study lets us look at outcome differences between children for Lokomat and PT within their first intervention phase (n=20/group). The cross-over phase evaluates within-child outcomes across the two phases. A qualitative component is concurrently underway to examine child/parent experiences and their views of Lokomat outcomes.


Description:

No further information


Recruitment information / eligibility

Status Completed
Enrollment 32
Est. completion date January 30, 2017
Est. primary completion date November 2016
Accepts healthy volunteers No
Gender All
Age group 5 Years to 12 Years
Eligibility Inclusion Criteria:

- age 5 to12 years inclusive

- assessed as GMFCS Levels II or III

- able to follow testing instructions, and participate in a minimum of 30 minutes of active PT

- able to reliably signal pain, fear and discomfort

- have passive range of motion (ROM) of hips and knees within minimum range requirement for Lokomat (hip and knee flexion contracture < 10 degrees, and knee valgus < 40 degrees)

- client of Child Development Program at Holland Bloorview

- able to commit to attendance of twice weekly for eight weeks (to support the primary efficacy analysis).

Exclusion Criteria:

- a fixed knee contracture > 10 degrees, knee valgus >40 degrees such that robotic leg orthosis will not be adaptable to lower limbs

- hip instability/subluxation > 45%

- orthopaedic surgery within the last 9 months (muscle) or 12 months (bone)

- Botulinum toxin-A (BTX-A) injections to lower limb in the last 4 months

- inability to discontinue BTX-A for period of 6 months (during trial) due to concerns about ROM or pain

- severe spasticity may be a contraindication

- any weightbearing restrictions

- seizure disorder that is not controlled by medication (if on medication, must not have had a seizure in the last 12 months)

- open skin lesions or vascular disorder of lower extremities

- not able to co-operate or be positioned adequately within the Lokomat as shown during the two Lokomat fitting/acclimatisation sessions

- not prepared or unable to discontinue a regular therapy intervention during the course of the trial

- involved in another intervention study

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Lokomat
16 sessions in total, 30 minutes each plus set-up time followed by 5 minutes of overground walking. Provided by study PT twice weekly for a period of 8 weeks to maximum of 10 weeks.
Other:
Physiotherapy
16 sessions, 35 minutes. Provided by study PT twice weekly for a period of 8 weeks to maximum of 10 weeks.

Locations

Country Name City State
Canada Holland Bloorview Kids Rehabiltation Hospital Toronto Ontario

Sponsors (2)

Lead Sponsor Collaborator
Holland Bloorview Kids Rehabilitation Hospital CIBC Children's Foundation

Country where clinical trial is conducted

Canada, 

References & Publications (3)

Beveridge B, Feltracco D, Struyf J, Strauss E, Dang S, Phelan S, Wright FV, Gibson BE. "You gotta try it all": Parents' Experiences with Robotic Gait Training for their Children with Cerebral Palsy. Phys Occup Ther Pediatr. 2015;35(4):327-41. doi: 10.3109/01942638.2014.990547. — View Citation

Hilderley AJ, Fehlings D, Lee GW, Wright FV. Comparison of a robotic-assisted gait training program with a program of functional gait training for children with cerebral palsy: design and methods of a two group randomized controlled cross-over trial. Springerplus. 2016 Oct 28;5(1):1886. — View Citation

Phelan SK, Gibson BE, Wright FV. What is it like to walk with the help of a robot? Children's perspectives on robotic gait training technology. Disabil Rehabil. 2015;37(24):2272-81. doi: 10.3109/09638288.2015.1019648. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Other Assessment of mastery motivation using the Dimensions of Mastery Questionnaire at the first baseline This measure of a child's motivation and persistence with difficult tasks is a measure of traits rather than outcome. Not expected to change so being used instead as a possible predictor of outcomes. Questionnaire completed by child (if 8+ years) or parent-report questionnaire Baseline 1 only
Other Monitoring of range of motion (ROM) of hip, knee and ankle Hip, knee, ankle - passive ROM baseline, 4 weeks, 8 weeks (repeated in same manner after crossover)
Other Body pain Use of FACES pain scale and body diagrams to show areas of pain (skin and musculoskeletal and other) participants will be followed at each treatment session for the duration of the study, an expected average of 16 weeks (8 weeks in the Lokomat arm and 8 weeks in the PT arm)
Primary Change from baseline in motor function on Gross Motor Function Measure (GMFM-66) at week 8 Stand and Walk items of the GMFM-66. Gold standard measure of foundational gross motor skills in children with CP. Baseline, 8 weeks (repeated in same manner after crossover)
Secondary Change from baseline in walk speed on the Six-minute walk test at week 8 Used as the co-primary outcome measure. Standardized 6 minute walk test (with shoes, orthoses, walking devices as required) to determine distance covered (capability measure). Well-validated in pediatric CP. Baseline, 8 weeks (repeated in same manner after crossover)
Secondary Change from baseline in advanced motor skills on the Challenge Module at week 8 Just for children in GMFCS Level II. This is a new published measure of advanced motor skills. Baseline, 8 weeks (repeated in same manner after crossover)
Secondary Change from baseline in activity and participation on the Activities Scale for Kids at week 8 Well-validated measure of physical functional ability in children. Child (if 8+ years) or parent-report questionnaire Baseline, 8 weeks (repeated in same manner after crossover)
Secondary Change from baseline in quality of life on the KidScreen Questionnaire at week 8 Measure of health-related quality of life. Questionnaire completed by children 8+ years or parents of younger children. Baseline, 8 weeks (repeated in same manner after crossover)
Secondary Change from baseline in participation on the Children's Assessment of Participation and Enjoyment (CAPE) at week 8 Using the physical activity and sport sections of this parent-report questionnaire to gain picture of areas/extent of participation in these areas. Baseline, 8 weeks (repeated in same manner after crossover)
Secondary Change from baseline in gait kinematics as measured on the GaitRite evaluation system at week 8 Time distance parameters of gait via GaitRite system Baseline, 8 weeks (repeated in same manner after crossover)
Secondary Change from baseline in Gait quality as measured on an observational gait scale at week 8 Gait pattern as evaluated via observational gait scale, rating from video of child's walking Baseline, 8 weeks (repeated in same manner after crossover)
Secondary Change from baseline in targeted goal abilities as measured by Goal Attainment Scaling (GAS) at week 8 Three to five individualized walking-based activity/participation goals set with child/parent/treating PT at baseline 1 and reset at baseline 2. Evaluated by treating PT with child/parent input at post-intervention 1 and 2 Baseline, 8 weeks (repeated in same manner after crossover)
Secondary Change from baseline in targeted goal abilities and satisfaction with performance as measured by the Canadian Occupational Performance Measure at week 8 Three to five individualized walking-based activity/participation set at baseline 1 and 2 with assessor and child/parent, and re-evaluated by child/parent at post-intervention assessment 1 and 2. Used by treating PT to formulate GAS goals Baseline, 8 weeks (repeated in same manner after crossover)
Secondary Change from baseline in movement quality as measured by the Quality Function Measure (QFM) at week 8 Companion measure to the GMFM-66 to assess alignment, co-ordination, dissociated movement, stability and weight shift. Rated by PT assessor from GMFM video. Recently validated. Baseline, 8 weeks (repeated in same manner after crossover)
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