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Pemoline effects on children with ADHD: a time-response by dose-response analysis on classroom measures
W E Pelham1, J M Swanson, M B Furman
1University of Pittsburgh, USA.
Journal of the American Academy of Child and Adolescent Psychiatry
|November 1, 1995
Summary
Pemoline (Cylert) shows dose-dependent effects on behavior and academic performance, with benefits emerging two hours after ingestion and lasting for several hours. This study clarifies pemoline
Area of Science:
- Pharmacology
- Neuroscience
- Child Psychology
Background:
- Pemoline (Cylert) is a central nervous system stimulant used to treat attention deficit hyperactivity disorder (ADHD).
- Understanding its precise dose-response and time-response characteristics is crucial for optimizing therapeutic outcomes.
Purpose of the Study:
- To investigate the dose-response and time-response effects of pemoline on behavioral and academic measures in a controlled laboratory classroom setting.
Main Methods:
- A double-blind, placebo-controlled crossover study involving children treated with pemoline at doses of 18.75 mg, 37.5 mg, 75 mg, and 112.5 mg.
- Performance was assessed at multiple time points (0, 2, 4, and 6 hours) post-ingestion, measuring academic achievement (math problems), on-task behavior, noncompliance, and teacher ratings.
Main Results:
- Pemoline demonstrated linear dose-dependent effects on dependent measures.
- Significant improvements in performance were observed starting 2 hours after ingestion for doses exceeding 18.75 mg, with effects persisting up to 7 hours.
Conclusions:
- The findings provide empirical evidence on the time course and efficacy of pemoline, challenging common misconceptions.
- This data supports a more informed application of pemoline in clinical practice, particularly concerning the timing of administration and expected duration of effect.