Cerebral Palsy Clinical Trial
Verified date | January 2019 |
Source | Yonsei University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This is a longitudinal, prospective, and open-label interventional study in a single center.
We will investigate the effect of single injection in each patient. This study was designed
to establish the clinical evidence for effect of botulinum toxin type a (Dysport,
abobotulinum toxin A) injection on changes in musculotendinous length and dynamics of
hamstring muscles during gait in children with spastic cerebral palsy walking with excessive
knee flexion.
Baseline data such as Modified Ashworth scale (MAS), Modified Tardieu scale (MTS), Gross
Motor Function Measures (GMFM), and Gross Motor Function Classification System (GMFCS) level
will be assessed. Gait analysis will be performed using a computerized gait analysis system
(VICON MX-T10 System with 6 infrared cameras, Oxford Metrics Inc., Oxford, UK) to measure the
kinematic data (angle of each joint) during the gait cycle. A trained investigator will place
14 reflective markers on the anterior and posterior superior iliac spine, the mid points of
the lateral femur, the lateral knee joint axis, the midpoints of the lateral tibia, the
lateral malleolus, and the dorsal foot between metatarsal heads 2 and 3. All subjects should
walk barefoot at a self-selected speed along an 8-meter path with the markers in place and
the motion will be captured with a 100-Hz sampling frequency. Force-plates (AMTI OR 6-5,
Advanced Mechanical Technology, Newton, MA, USA) under the path will record ground reaction
forces during the walking trials with a 1000-Hz sampling frequency, and joint moments will be
expressed as internal moments to counter the ground reaction forces. Data collection will
continue until the subject achieved at least 3 'clean' force-plate strikes. Kinematic and
kinetic data from successful trials will be used for statistical analysis. Video recording
will be done simultaneously from the front, rear, and side, with the 3D gait analysis.
Status | Completed |
Enrollment | 31 |
Est. completion date | September 3, 2018 |
Est. primary completion date | September 3, 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 2 Years to 18 Years |
Eligibility |
Inclusion Criteria: - Children with CP over the age of 2 years - The spasticity is thought to interfere motor learning or cause abnormal posture and movement patterns by "management algorithm" of international consensus. 1. MAS = 1+ at hamstrings 2. Dynamic spasticity rather than fixed contracture: Difference between Xv1 and Xv3 is at least 15 degrees in MTS at hamstrings - I to III levels of GMFCS Exclusion Criteria: - Children who received interventions such as chemical nerve block or casting within 6 months - Children who had baclofen pump - Children who experienced the adverse reactions from previous BoNT-A injections - Children who have a mixed type of CP (Athetosis, dystonia) or other movement disorder (eg. ataxia) - Children who are participating in other investigational study at the moment - Children who are not suitable for this study according to the investigator's discretion |
Country | Name | City | State |
---|---|---|---|
Korea, Republic of | Department of Rehabilitation Medicine, Severance Hospital, Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine | Seoul |
Lead Sponsor | Collaborator |
---|---|
Yonsei University |
Korea, Republic of,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Changes in musculotendinous length of hamstrings | Changes in musculotendinous length of hamstrings obtained from 3D motion analysis after a single BoNT-A injection during walking in children with spastic CP walking with excessive knee flexion | pre-intervention (1 hour before intervention) | |
Primary | Changes in musculotendinous length of hamstrings | Changes in musculotendinous length of hamstrings obtained from 3D motion analysis after a single BoNT-A injection during walking in children with spastic CP walking with excessive knee flexion | 4 weeks after intervention | |
Primary | Changes in musculotendinous length of hamstrings | Changes in musculotendinous length of hamstrings obtained from 3D motion analysis after a single BoNT-A injection during walking in children with spastic CP walking with excessive knee flexion | 16 weeks after intervention |
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