Degrauw RS, Li JZ, Gilbert DL
Body Mass Index Changes and Chronic Neuroleptic Drug Treatment for Tourette Syndrome. [JOURNAL ARTICLE]
Pediatr Neurol 2009 Sep; 41(3):183-186.
A known risk of neuroleptic medications is weight gain, but few studies have estimated long-term effects in childhood. This study evaluated effects of neuroleptics on body mass index for age and sex (body mass index Z scores) in a matched cohort of neuroleptic-treated (n = 16) and nonneuroleptic-treated (n = 29) children and adolescents with Tourette syndrome. Growth parameters were assessed in 45 children, aged 5-15 years, treated for an average of 3 years (range, 1-6) with low doses of pimozide or risperidone. Effects of neuroleptic treatment, age, duration, and treatment x duration interactions on changes in Z score were assessed with regression, and time course of changes was modeled using repeated measures analysis of variance. Although the mean first-year weight gain differed significantly (13.5 kg neuroleptic vs 3.2 kg nonneuroleptic), the longterm Z score changes did not (0.3 vs 0.1; F(4,44) = 0.87, P = 0.49). Repeated measures analysis of Z scores differed significantly by treatment (F(3,77.6) = 6.34, P = 0.0007), related to first-year changes only. In children and adolescents with Tourette syndrome treated for longer than 1 year with neuroleptics, weight gain is not necessarily excessive.
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