Cervical Spinal Cord Injury Clinical Trial
Official title:
Plasticity, Motor Learning and Functional Recovery Induced by Client-centred Task-oriented Training of the Upper Extremity in Tetraplegia
Introduction In recent years, client-centred and task-oriented training have emerged as
important methods in rehabilitation including the rehabilitation of persons with spinal cord
injury (SCI). The task-oriented intervention focuses on resolving, reducing and preventing
impairment, developing effective task-specific strategies and adapting functional
goal-oriented strategies to changing environmental conditions. Currently, task-specific
training is mainly achieved by constant practice (i.e. repeating the task without variation)
and is reported to improve performance of the trained task, but to have a negative impact on
untrained tasks. Practice variability, however, is reported being advantageous to transfer
training results into daily live. This paradox poses challenges in clinical practice, where
task-specific training is essential to deliver client-centred training in order to focus on
the patients' specific individual goals, but practice variability is important to be able to
transfer the learned task into daily practice. Questions regarding the effective elements
within rehabilitative interventions and the exact mechanisms behind the cerebral changes
they may induce, remain. These questions require further research, for which ultra-high
field fMRI techniques will be used. Furthermore, compensation of muscle function loss (i.e.
the development of new muscle synergies) plays an important role in the improvement of skill
performance in cervical SCI. Surface EMG allows to study the changes in muscle coordination,
parallel to the changes at cerebral level.
Aims This study aims to
1. investigate which basic neural mechanisms of motor learning underlie functional
recovery of arm hand skilled performance during client-centred task-oriented training
of the upper limb in patients with cervical spinal cord injury and
2. investigate the contribution of 'practice variability' in contrast to 'constant
practice' on arm-hand skilled performance, motor control and neural changes.
Study design This study features a multiple single-case experimental design (A-B-C design)
with baseline (phase A) (6 weeks), intervention B (phase B) (3 weeks) and intervention C
(phase C) (3 weeks). Intervention B will contain the 'practice variability' component.
Intervention C will feature the 'constant practice' component. The order of phase B and C
will be randomly assigned to participants. Four measurements during baseline and after each
intervention phase (B and C) will be performed, thus producing a time series, per measure,
for each patient. Also, meta-analyses on the pooled single-case data will be performed.
Setting/population Six patients with a cervical SCI (complete and incomplete) will be
recruited from the Spinal cord unit of Adelante Rehabilitation Centre in the (sub)acute
phase.
Intervention After therapy as usual (intervention A), the Task-oriented Client-centred Upper
Extremity Skill Training (ToCUEST) module (Spooren et al., 2011) will be provided. In this
program individual goals will be extracted using the Canadian Occupational Performance
Measure(COPM) and the training program is based on a task-analysis and uses principles of
training physiology and motor learning. Intervention B will consist of the ToCUEST program,
including the component 'practice variability' (ToCUEST variability). Intervention C will
consist of a modified ToCUEST program in which the component 'practice variability' will be
replaced by 'constant practice' (ToCUEST constant) in order to evaluate the contribution of
these components. Intervention A' will be therapy as usual.
Measurements Measurements will be taken at the level of activities (arm hand skilled
performance, i.e. Van Lieshout Test, Spinal Cord Independence Measure, Goal Attainment
Scale) and body function (Upper Extremity Motor Score, Graded Redefined Assessment of
Strength Sensibility and Prehension Test, Surface EMG), and at cerebral level, i.e. neural
activity changes (by means of ultra-high field fMRI).
The fMRI measurements will be taken before and after each intervention B and C in 4 patients
(2 with complete and 2 with incomplete lesion).
Data-analyses Baseline data stability and any baseline trends regarding the outcome measures
at body function level and activity level will be assessed. To control for, e.g.,
spontaneous recovery effects, baseline data (phase A) will be used in a computer-based
detrending model. For the meta-analyses, mean data per outcome measure, per phase, per
subject will be pooled and subsequently analysed using non-parametric statistics, i.e.
Friedman analyses and Wilcoxon tests.
Status | Completed |
Enrollment | 5 |
Est. completion date | July 2015 |
Est. primary completion date | June 2015 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years to 70 Years |
Eligibility |
Inclusion Criteria: - in)complete C-SCI at level C3-T1; age between 18 and 70 years; patients are able to sit in a wheelchair for at least for 2 consecutive hours; presence of problems with specific arm-hand skilled performance Exclusion Criteria: - opinion of an independent rehabilitation physician that additional neurological, orthopaedic or rheumatologic diseases strongly interfere with Activities of Daily Living (ADL) functioning and arm hand skilled performance; inability to perform arm hand skilled performance measurements |
Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Netherlands | Adelante Rehabilitation Centre | Hoensbroek | Limburg |
Lead Sponsor | Collaborator |
---|---|
Adelante, Centre of Expertise in Rehabilitation and Audiology | Adelante rehabilitation Centre, Maastricht University, Faculty of Psychology and Cognitive Neuroscience |
Netherlands,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change from baseline VanLieshout hand function test for Tetraplegia (Short Form) (VLT-SF) at 3 weeks | VLT-SF: assesses the actual performance of arm hand skills at the level of basic activities. The criterion validity, reliability, the internal consistency and the responsiveness of the VLT-SF were found to be good [Spooren et al, Spinal Cord 2006; Post et al. Spinal Cord 2006]. In the present study, the Rasch modified short form VLT will be used measuring both hands [Spooren et al, Spinal Cord 2013a,b]. | Pre (4x baseline) & post intervention1 (3 weeks (4x)) | No |
Primary | Change from baseline VanLieshout hand function test for Tetraplegia (Short Form) (VLT-SF) at 6 weeks | VLT-SF: assesses the actual performance of arm hand skills at the level of basic activities. The criterion validity, reliability, the internal consistency and the responsiveness of the VLT-SF were found to be good [Spooren et al, Spinal Cord 2006; Post et al. Spinal Cord 2006]. In the present study, the Rasch modified short form VLT will be used measuring both hands [Spooren et al, Spinal Cord 2013a,b]. | Pre (4x baseline) & post intervention2 (6 weeks (4x)) | No |
Primary | Changes from baseline surface electromyography (EMG) activity patterns at 3 weeks | During task performance (specific task and standardized arm hand tasks) muscle activity patterns will be recorded of main shoulder, arm and hand muscles using a 16 channel Trigno surface electromyography system (Delsys Inc, Boston, MA). | Pre (4x baseline) & post intervention1 (3 weeks (4x)) | No |
Primary | Changes from baseline surface electromyography (EMG) activity patterns at 6 weeks | During task performance (specific task and standardized arm hand tasks) muscle activity patterns will be recorded of main shoulder, arm and hand muscles using a 16 channel Trigno surface electromyography system (Delsys Inc, Boston, MA). | Pre (4x baseline) & post intervention2 (6 weeks (4x)) | No |
Secondary | Change from baseline Spinal Cord Independence Measure (SCIM (self-care)) at 3 weeks | SCIM (self-care): the Spinal Cord Independence Measure is an instrument that assesses functional recovery in the total SCI population. In the present study, the SCIM self-care will be used , which is reported as reflecting the level of arm and hand functioning | Pre (4x baseline) & post intervention1 (3 weeks (4x)) | No |
Secondary | Change from baseline Spinal Cord Independence Measure (SCIM (self-care)) at 6 weeks | SCIM (self-care): the Spinal Cord Independence Measure is an instrument that assesses functional recovery in the total SCI population. In the present study, the SCIM self-care will be used , which is reported as reflecting the level of arm and hand functioning | Pre (4x baseline) & post intervention2 (6 weeks (4x)) | No |
Secondary | Changes from baseline Goal Attainment Scaling (GAS) at 3 weeks | Goal Attainment Scale is used to objectively measure the effect of therapy on individual treatment goals and has shown to be feasible, reliable, valid and responsive to change [31]. Goals are defined in a range from -2 (level of performance before the start of the training), 0 (expected performance after finishing the training) to +2 (much more than expected scores after finishing the training) [32]. To have an additional measure of transfer effects, the + 2 score of each goals will be defined with regard to generalized tasks related to the specific individual chosen task. | Pre (baseline) & post intervention1 (3 weeks) | No |
Secondary | Changes from baseline Goal Attainment Scaling (GAS) at 6 weeks | Goal Attainment Scale is used to objectively measure the effect of therapy on individual treatment goals and has shown to be feasible, reliable, valid and responsive to change [31]. Goals are defined in a range from -2 (level of performance before the start of the training), 0 (expected performance after finishing the training) to +2 (much more than expected scores after finishing the training) [32]. To have an additional measure of transfer effects, the + 2 score of each goals will be defined with regard to generalized tasks related to the specific individual chosen task. | Pre (baseline) & post intervention2 (6 weeks) | No |
Secondary | Changes from baseline Upper Extremity Motor Score (UEMS) at 3 weeks | Upper Extremity Motor Score based on the ASIA (American International Standards for Neurological and Functional Classification of Spinal Cord Injury) including elbow flexion, wrist extension, elbow extension, finger flexors and finger abductor | Pre (4x baseline) & post intervention1 (3 weeks (4x)) | No |
Secondary | Changes from baseline Upper Extremity Motor Score (UEMS) at 6 weeks | Upper Extremity Motor Score based on the ASIA (American International Standards for Neurological and Functional Classification of Spinal Cord Injury) including elbow flexion, wrist extension, elbow extension, finger flexors and finger abductor | Pre (4x baseline) & post intervention2 (6 weeks (4x)) | No |
Secondary | Changes from baseline functional Magnetic Resonance Imaging (fMRI) at 3 weeks | Neuroimaging data will be collected at Maastricht Brain Imaging Centre (M-BIC) in Maastricht (The Netherlands) using a Siemens whole-body MRI scanner. Patients undergo 3 fMRI sessions during which high-resolution anatomical images (T1-weighted) will be collected as well as high-resolution functional images. The functional stimulus task is performed using a blocked design. During the active periods the patient will perform a repeated arm-hand task. | Pre (baseline) & post intervention1 (3 weeks) | No |
Secondary | Changes from baseline functional Magnetic Resonance Imaging (fMRI) at 6 weeks | Neuroimaging data will be collected at Maastricht Brain Imaging Centre (M-BIC) in Maastricht (The Netherlands) using a Siemens whole-body MRI scanner. Patients undergo 3 fMRI sessions during which high-resolution anatomical images (T1-weighted) will be collected as well as high-resolution functional images. The functional stimulus task is performed using a blocked design. During the active periods the patient will perform a repeated arm-hand task. | Pre (baseline) & post intervention2 (6 weeks) | No |
Secondary | Changes from baseline Hand-held dynamometry at 3 weeks | Muscle strength will be tested for muscles with strength of at least 3 out of 5 on the manual muscle test. | Pre (4x baseline) & post intervention1 (3 weeks (4x)) | No |
Secondary | Changes from baseline Hand-held dynamometry at 6 weeks | Muscle strength will be tested for muscles with strength of at least 3 out of 5 on the manual muscle test. | Pre (4x baseline) & post intervention2 (6 weeks (4x)) | No |
Secondary | Changes from baseline Grades Redefined Assessment of Strength Sensibility and Prehension (GRASSP) at 3 weeks | GRASSP (Grades redefined assessment of strength sensibility and Prehension): clinical impairment measure that incorporates 3 domains: sensibility, strength and prehension and has been proven to be valid and reliable. | Pre (4x baseline) & post intervention1 (3 weeks (4x)) | No |
Secondary | Changes from baseline Grades Redefined Assessment of Strength Sensibility and Prehension (GRASSP) at 6 weeks | GRASSP (Grades redefined assessment of strength sensibility and Prehension): clinical impairment measure that incorporates 3 domains: sensibility, strength and prehension and has been proven to be valid and reliable. | Pre (4x baseline) & post intervention2 (6 weeks (4x)) | No |
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