Journal
BIOMEDICINES
Volume 10, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/biomedicines10112972
Keywords
psychotropic treatment; antipsychotics; misuse; addictology; adverse drug reaction; child and adolescent psychiatry
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Antipsychotic drugs are increasingly being used off-label in children for various psychiatric disorders, despite limited evidence on their efficacy and safety. This study investigated the patterns of misuse and withdrawal of antipsychotics in children and adolescents. Results showed withdrawal symptoms in infants, intentional misuse in children, and abuse in adolescents. Olanzapine, risperidone, aripiprazole, and quetiapine were commonly reported in all age groups, with quetiapine showing a specific abuse signal in adolescents.
Antipsychotic drugs (APs) aim to treat schizophrenia, bipolar mania, and behavioral symptoms. In child psychiatry, despite limited evidence regarding their efficacy and safety, APs are increasingly subject to off-label use. Studies investigating addictology-related symptoms in young people being scarce, we aimed to characterize the different patterns of AP misuse and withdrawal in children and adolescents relying on the WHO pharmacovigilance database (VigiBase((R)), Uppsala Monitoring Centre, Sweden). Using the standardized MedDRA Query `drug abuse, dependence and withdrawal', disproportionality for each AP was assessed with the reporting odds ratio and the information component. A signal was detected when the lower end of the 95% confidence interval of the information component was positive. Results revealed mainly withdrawal symptoms in infants (under 2 years), intentional misuse in children (2 to 11 years), and abuse in adolescents (12 to 17 years). Olanzapine, risperidone, aripiprazole, and quetiapine were disproportionately reported in all age groups, with quetiapine being subject to a specific abuse signal in adolescents. Thus, in adolescents, the evocation of possible recreational consumption may lead to addiction-appropriate care. Further, in young patients with a history of AP treatment, a careful anamnesis may allow one to identify misuse and its role in the case of new-onset symptoms.
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