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Cognitive effects of lithium carbonate and haloperidol in treatment-resistant aggressive children
Insights
This study found that haloperidol and lithium carbonate had mild cognitive effects in children with conduct disorder. Haloperidol slowed reaction time, while lithium affected qualitative maze test scores.
Area of Science:
- Child and Adolescent Psychiatry
- Neuropsychopharmacology
- Cognitive Psychology
Background:
- Conduct disorder (CD) is a significant behavioral challenge in school-aged children.
- Treatment resistance is common in aggressive, undersocialized CD.
- Cognitive function is often impaired in children with CD.
Purpose of the Study:
- To investigate the cognitive effects of lithium carbonate and haloperidol.
- To compare these effects against a placebo in children with treatment-resistant CD.
- To assess impacts on specific cognitive domains.
Main Methods:
- A placebo-controlled, double-blind study.
- Involved 61 hospitalized school-aged children with DSM-III undersocialized, aggressive conduct disorder.
- Cognitive assessments were conducted after a placebo baseline and four weeks of treatment.
Main Results:
- Haloperidol (2.95 mg/day) significantly decreased Porteus Maze quotient scores and slowed reaction time (RT).
- Lithium carbonate (1,166 mg/day) adversely affected qualitative Porteus Maze test scores.
- No significant effects were observed on the Matching Familiar Figures Test, short-term recognition memory, concept attainment, or the Stroop Test.
Conclusions:
- Haloperidol and lithium carbonate demonstrate specific, albeit mild, adverse cognitive effects in this population.
- These findings highlight the need for careful cognitive monitoring during pharmacotherapy for conduct disorder.
- Further research is warranted to explore the nuances of drug-induced cognitive changes in pediatric CD.
Abstract:
The effects of lithium carbonate and haloperidol on cognition were examined in a placebo-controlled, double-blind study of 61 treatment-resistant, hospitalized school-aged children. They all had a DSM-III diagnosis of conduct disorder-- undersocialized , aggressive, with a profile of highly explosive and aggressive behavior. Children were assessed at the end of a two-week placebo-baseline period and again after four weeks of treatment. Drug effects on cognition were mild. Haloperidol (mean dose, 2.95 mg/day) caused significant decreases in Porteus Maze test quotient scores and a slowing of reaction time (RT) on a simple RT task. Lithium carbonate (mean dose, 1,166 mg/day) adversely affected qualitative scores on the Porteus Maze test. No significant treatment effects were found for the Matching Familiar Figures Test, short-term recognition memory and concept attainment tasks, or the Stroop Test.