Aripiprazole (Abilify) Use in 6-Year-Old Children
Aripiprazole (Abilify) is not FDA-approved for use in 6-year-old children and should not be prescribed as a first-line treatment at this age due to limited safety data and significant risk of adverse effects.
FDA Approval Status and Age Restrictions
The FDA label for aripiprazole clearly indicates that pediatric use information is limited:
Aripiprazole is only FDA-approved for certain conditions in older children:
- Schizophrenia: ages 13-17 years
- Bipolar disorder: ages 10-17 years
- Irritability associated with autism: ages 6-17 years 1
The FDA label specifically notes concerns about juvenile animal studies showing:
- Mortality
- CNS clinical signs
- Impaired memory and learning
- Delayed sexual maturation
- No established safety margin at even the lowest tested doses 1
Evidence-Based Alternatives for 6-Year-Olds
For 6-year-old children with behavioral or psychiatric symptoms, guidelines recommend:
First-line approach: Behavioral interventions
If medication is necessary:
- For ADHD: Methylphenidate may be considered if behavioral interventions fail to provide significant improvement and there is moderate-to-severe continued disturbance in functioning 2, 3
- The American Academy of Pediatrics recommends weighing the risks of starting medication before age 6 against the harm of delaying treatment 2
Risks and Concerns with Aripiprazole in Young Children
Aripiprazole use in young children carries significant risks:
- Weight gain: Studies show mean weight increases of 1.3-1.5 kg over 8 weeks (compared to 0.3 kg with placebo) 4
- Sedation: Most common adverse event leading to discontinuation 4
- Extrapyramidal symptoms: More common in children than adults 5
- Metabolic effects: Though potentially less severe than with other atypical antipsychotics, still concerning 5
- Prolonged toxicity: Case reports of significant and prolonged toxicity in young children even with small doses 6
Special Considerations for 6-Year-Olds
- Developmental vulnerability: The developing brain of a 6-year-old may be particularly susceptible to medication effects
- Difficulty monitoring side effects: Young children may have limited ability to report subjective side effects
- Long-term effects: Limited data on long-term neurodevelopmental effects of antipsychotics in very young children
- Dosing challenges: Appropriate dosing for very young children is not well established 7
Conclusion
While aripiprazole has demonstrated efficacy for irritability associated with autism in children as young as 6 years 4, its use in 6-year-olds should be approached with extreme caution and only considered:
- When prescribed by or in consultation with a child psychiatrist
- After failure of comprehensive behavioral interventions
- When symptoms are severe and impairing
- With careful monitoring for adverse effects
- At the lowest effective dose
The risk-benefit ratio must be carefully evaluated on an individual basis, with behavioral interventions remaining the cornerstone of treatment for young children with behavioral or psychiatric symptoms.