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Treatment of adductor spasticity with BTX-A in children with CP: a randomized, double-blind, placebo-controlled study
Volker Mall1, Florian Heinen, Andrea Siebel
1Children's University Hospital, Freiburg University, Germany. mall@kikli.ukl.uni-freiburg.de
Insights
Botulinum toxin A (BTX-A) injections effectively reduced adductor spasticity in children with cerebral palsy (CP). This treatment improved motor function and development, offering a significant benefit for affected children.
Area of Science:
- Pediatrics
- Neurology
- Rehabilitation Medicine
Background:
- Adductor spasticity is a common challenge in children with cerebral palsy (CP).
- This condition significantly impairs motor function and overall development.
- Effective management strategies are crucial for improving quality of life.
Purpose of the Study:
- To evaluate the efficacy of botulinum toxin A (BTX-A) in treating adductor spasticity in pediatric CP patients.
- To compare BTX-A treatment against a placebo in a randomized, double-blind, multicenter setting.
- To assess the impact of BTX-A on key measures of spasticity and functional goals.
Main Methods:
- A placebo-controlled, double-blind, randomized multicenter study.
- Involved 61 children diagnosed with cerebral palsy (CP) across various GMFCS levels.
- Treatment efficacy was assessed using the knee-knee distance 'fast catch', Ashworth scale, and Goal Attainment Scale.
Main Results:
- Botulinum toxin A (BTX-A) demonstrated significant superiority over placebo.
- Key outcome measures, including knee-knee distance (p=0.002) and Ashworth scale (p=0.001), showed marked improvement.
- The Goal Attainment Scale also indicated significant positive effects (p=0.037) four weeks post-treatment.
Conclusions:
- Botulinum toxin A (BTX-A) is an effective treatment for reducing adductor spasticity in children with cerebral palsy (CP).
- The study confirms BTX-A's ability to improve motor function and achieve functional goals.
- BTX-A represents a valuable therapeutic option for managing spasticity in this population.
Abstract:
Adductor spasticity in children with cerebral palsy (CP) impairs motor function and development. In a placebo-controlled, double-blind, randomized multicentre study, we evaluated the effects of botulinum toxin A(BTX-A) in 61 children (37 males, 24 females; mean age 6 years 1 month [SD 3y 1mo]) with CP (leg-dominated tetraparesis, n=39; tetraparesis, n=22; GMFCS level I, n=3; II, n=6; III, n=17; IV, n=29; V, n=6). Four weeks after treatment, a significant superiority of BTX-A was observed in the primary outcome measure (knee-knee distance 'fast catch', p=0.002), the Ashworth scale (p=0.001), and the Goal Attainment Scale (p=0.037).
