Activation in children and adolescents treated with selective serotonin reuptake inhibitors

Blanca Garcia-Delgar, Astrid Morer, Eva Varela, Soledad Romero, Marta García, Barbara J. Coffey, Luisa Lázaro

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Background Activation is a behavioral adverse event related to the use of psychotropic medication. Its high incidence in pediatrics and in childhood-onset neuropsychiatric disorders suggests it may be linked to neurodevelopment. However, previous studies have scarcely examined the role that factors relevant to developmental pharmacokinetics, such as body weight, may play in the onset of activation in children and adolescents. Methods We conducted a retrospective analysis of hospitalized patients to identify the risk factors for activation in children and adolescents treated with selective serotonin reuptake inhibitors. Our focus was on factors related to development, including body weight, to explore the relationship between activation and neurodevelopmental processes. Results Among the 139 participants (mean age, 14 ± 2.3 years), activation appeared in 29 (20.9%). Age 12 years or younger and comorbid diagnosis of autism spectrum disorder were associated with statistically significant increases in the risk of activation, but no association was found regarding body weight. Conclusions Our findings support the hypothesis that activation is closely linked to brain development processes. Longitudinal studies are needed to explore this line of research further.

Original languageEnglish (US)
Pages (from-to)475-480
Number of pages6
JournalJournal of clinical psychopharmacology
Issue number5
StatePublished - Oct 1 2018


  • activation
  • adverse events
  • antidepressants
  • pediatrics
  • SSRIs

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Pharmacology (medical)


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