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Impact of modafinil on spasticity reduction and quality of life in children with CP.

Author(s): Murphy AM, Milo-Manson G, Best A, Campbell KA, Fehlings D

Affiliation(s): Atlantic Health Sciences Corporation, Dalhousie University, Halifax, Nova Scotia, Canada.

Publication date & source: 2008-07, Dev Med Child Neurol., 50(7):510-4.

This randomized double blind AB/BA cross-over trial evaluates the effect of oral modafinil versus placebo on spasticity, function, and quality of life in children with cerebral palsy (CP). Outcomes were measured at the start and end of both 8-week treatment periods (modafinil and placebo). The order of the treatment periods was randomly assigned. There was a 4-week wash-out period between treatments. Primary outcomes include the Modified Ashworth Score (MAS), and the Caregiver Priorities and Child Health Index of Life with Disabilities (CPCHILD), a disorder-specific quality of life measure. Ten children were randomized and eight children completed the study. The mean age of participants was 11 years 5 months (SD 1y 5mo, range 8y 8mo-12y 11mo). Five of the participants were male and three female. Seven children had a diagnosis of spastic quadriplegic CP and one child had spastic diplegia with overflow tone to the upper extremities. The Gross Motor Function Classification System ranged from Level III to V with one child at Level III, six children at Level IV, and one at Level V. The CPCHILD pre- to post-total scores showed a slight improvement in quality of life during the placebo period and a slight deterioration in the modafinil period (overall mean change of 7.1, SD 7.6). A t-test between post differences was statistically significant (t=2.65, p=0.03) in favor of the placebo period. The MAS for elbow flexors, ankle flexors, and hip adductors did not show any significant reduction post-modafinil or post-placebo (p values ranged from 0.41-0.79). This study did not find evidence that modafinil reduces spasticity or has a positive impact on quality of life in children with spastic CP.

Page last updated: 2008-08-11

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