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Dysport® Pediatric Lower Limb Spasticity Study

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ClinicalTrials.gov Identifier: NCT01249417
Recruitment Status : Completed
First Posted : November 29, 2010
Results First Posted : February 3, 2017
Last Update Posted : November 5, 2020
Sponsor:
Information provided by (Responsible Party):
Ipsen

Study Description
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Brief Summary:
The purpose of this research study is to determine whether Dysport® is effective in the treatment of increased stiffness of the calf muscles and to evaluate the safety of this treatment in children with Cerebral Palsy. In addition this study will also check whether Dysport® can lessen the pain caused by spasticity and improve the child's wellbeing.

Condition or disease Intervention/treatment Phase
Cerebral Palsy Muscle Spasticity Children Biological: Botulinum toxin type A Drug: Placebo Phase 3

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 241 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Phase III, Multicentre, Double Blind, Prospective, Randomised, Placebo Controlled Study Assessing the Efficacy and Safety of DYSPORT® Used in the Treatment of Lower Limb Spasticity in Children With Dynamic Equinus Foot Deformity Due to Cerebral Palsy
Study Start Date : July 2011
Actual Primary Completion Date : February 2014
Actual Study Completion Date : June 2014

Resource links provided by the National Library of Medicine


Arms and Interventions
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Arm Intervention/treatment
Experimental: Dysport 10 U/Kg
10 U/Kg per lower limb. Either one or both lower limbs can be treated. Total volume injected, 2ml per leg.
 Biological: Botulinum toxin type A
I.M. (in the muscle) injection on day 1 of a single treatment cycle.
Other Name: AbobotulinumtoxinA (Dysport®)
Experimental: Dysport 15 U/Kg
15 U/Kg per lower limb. Either one or both lower limbs can be treated. Total volume injected, 2ml per leg.
 Biological: Botulinum toxin type A
I.M. (in the muscle) injection on day 1 of a single treatment cycle.
Other Name: AbobotulinumtoxinA (Dysport®)
Placebo Comparator: Placebo
Total volume to be injected per lower limb - 2ml. Either one or both lower limbs can be treated.
 Drug: Placebo
I.M. injection on day 1 of a single treatment cycle.


Outcome Measures
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Primary Outcome Measures :
  1. Change in MAS Score in the Gastrocnemius-soleus Complex (GSC) at the Ankle Joint of the (Most) Affected Lower Limb [ Time Frame: Change from baseline to Week 4 ]
    The MAS is a 6-point scale which measures the intensity of muscle tone by measuring the resistance of the muscle to passive lengthening or stretching. Investigator will grade muscle tone in the GSC from 0 (no increase in tone) to 4 (affected parts rigid in flexion or extension).


Secondary Outcome Measures :
  1. Physician's Global Assessment (PGA) of the Treatment Response. [ Time Frame: Week 4 ]
    PGA Scale of the Treatment Response: Global assessment of treatment response assessed by asking the Investigator the following question: "how would you rate the response to treatment in the subject's lower limb(s) since the last injection?" Answers will be made on a 9 point rating scale (-4: markedly worse, -3: much worse, -2: worse, -1: slightly worse, 0: no change, +1: slightly improved, +2: improved, +3: much improved, +4: markedly improved).

  2. Goal Attainment Scale (GAS) Score [ Time Frame: Week 4 ]
    GAS is a functional scale used to measure progress towards individual therapy goals. Individual goals defined for each subject by the physician, and the child's parents (caregiver) where applicable, prior to treatment. Post-baseline, the GAS for each goal rated using a defined scale (-2: Much less than expected outcome, -1: somewhat less than expected outcome, 0: expected outcome, 1: somewhat more than expected outcome, and 2: Much more than expected outcome).


Eligibility Criteria
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Ages Eligible for Study:   2 Years to 17 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Children aged 2 to 17 years with cerebral palsy
  • Equinus foot position
  • Ambulatory
  • Intensity of muscle tone equal to or greater than 2 in affected lower limb, as measured on the Modified Ashworth Scale

Exclusion Criteria:

  • Fixed contracture
  • Previous phenol, alcohol injection or surgical intervention
  • Other neurological / neuromuscular disorder
  • Severe athetoid or dystonic movements
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01249417


Locations
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Sponsors and Collaborators
Ipsen
Investigators
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Study Director: Ipsen Study Director Ipsen
More Information
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Responsible Party: Ipsen
ClinicalTrials.gov Identifier: NCT01249417    
Other Study ID Numbers: Y-55-52120-141
2009-017709-12 ( EudraCT Number )
First Posted: November 29, 2010    Key Record Dates
Results First Posted: February 3, 2017
Last Update Posted: November 5, 2020
Last Verified: November 2020
Additional relevant MeSH terms:
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Muscle Spasticity
Cerebral Palsy
Brain Damage, Chronic
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Muscular Diseases
Musculoskeletal Diseases
Muscle Hypertonia
Neuromuscular Manifestations
Neurologic Manifestations
 Botulinum Toxins
Botulinum Toxins, Type A
abobotulinumtoxinA
Acetylcholine Release Inhibitors
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action
Cholinergic Agents
Neurotransmitter Agents
Physiological Effects of Drugs
Neuromuscular Agents
Peripheral Nervous System Agents