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Impaired growth in hyperkinetic children receiving pemoline
The Journal of Pediatrics
|April 1, 1979
Summary
Pemoline therapy in hyperkinetic children significantly reduced growth velocity. Growth rates returned to normal after discontinuing the drug, suggesting a direct impact on cartilage metabolism.
Area of Science:
- Pediatric endocrinology
- Neurodevelopmental disorders
Background:
- Hyperkinetic disorders are often treated with stimulant medications.
- Longitudinal growth is a critical indicator of child development.
Purpose of the Study:
- To investigate the effect of pemoline on longitudinal growth in hyperkinetic children.
- To determine if pemoline directly impacts growth or affects growth through other hormonal pathways.
Main Methods:
- Observational study of 24 hyperkinetic children undergoing pemoline therapy.
- Measurement of height velocity during and after pemoline treatment.
- Analysis of the relationship between drug dosage and growth velocity.
Main Results:
- Mean height velocity decreased significantly during pemoline therapy (3.67 cm/year) compared to post-treatment (5.35 cm/year).
- An inverse relationship was observed between pemoline dosage and growth velocity.
- Growth hormone and somatomedin levels remained unaffected, suggesting a direct effect on cartilage.
Conclusions:
- Pemoline therapy is associated with decreased longitudinal growth in hyperkinetic children.
- The drug's effect on growth appears to be dose-dependent and may directly influence cartilage metabolism.