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Simulated Driving Changes in Young Adults With ADHD Receiving Mixed Amphetamine Salts Extended Release and Atomoxetine
Gary G. Kay*,
M. Alex Michaels,
and
Barton Pakull
Cognitive Research Corporation
* To whom correspondence should be addressed. E-mail: gkay{at}cogres.com.
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Abstract |
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Background: Psychostimulant treatment may improve simulated driving performance in young adults with attentiondeficit/hyperactivity disorder (ADHD). Method: This was a randomized, double-blind, placebo-controlled, crossover study of simulated driving performance with mixed amphetamine salts–extended release (MAS XR) 50 mg/day (Cohort 1) and atomoxetine 80 mg/day (Cohort 2) in young adults with ADHD. Results: Adults aged 19 to 25 years with ADHD (N = 19) who were administered MAS XR significantly improved overall simulated driving performance versus placebo up to 12 hours after dosing. In contrast, there were no statistically significant differences in simulated-driving-performance scores between atomoxetine and placebo. At endpoint, MAS XR reduced ADHD Rating Scale scores 30% in 80% of subjects, whereas atomoxetine achieved this level of improvement for 40%. Limitations: Small sample size and use of simulated driving may limit generalizability of the findings. Conclusion: MAS XR in young adults with ADHD yields significant improvements in simulated driving performance and ADHD symptoms. (J. of Att. Dis. XXXX; XX(X) xx-xx)
First published on September 24, 2008, doi:10.1177/1087054708322986
Journal of Attention Disorders 2009;12:316.
A more recent version of this article appeared on January 1, 2009

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