Randomized, Controlled Trial of Atomoxetine for Attention-Deficit/Hyperactivity Disorder in Adolescents With Substance Use Disorder

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Abstract

Objective:

To evaluate the effect of atomoxetine hydrochloride versus placebo on attention-deficit/hyperactivity disorder (ADHD) and substance use disorder (SUD) in adolescents receiving motivational interviewing/cognitive behavioral therapy (MI/CBT) for SUD.

Method:

This single-site, randomized, controlled trial was conducted between December 2005 and February 2008. Seventy adolescents (13 through 19 years of age) with Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition) (DSM-IV) ADHD, a DSM-IV ADHD checklist score greater than or equal to 22, and at least one nontobacco SUD were recruited from the community. All subjects received 12 weeks of atomoxetine hydrochloride + MI/CBT versus placebo + MI/CBT. The main outcome measure for ADHD was self-report DSM-IV ADHD checklist score. For SUD, the main outcome was self-report number of days used nontobacco substances in the past 28 days using the Timeline Followback interview.

Results:

Change in ADHD scores did not differ between atomoxetine + MI/CBT and placebo + MI/CBT (F4,191 = 1.23, p = .2975). Change in days used nonnicotine substances in the last 28 days did not differ between groups (F3,100 = 2.06, p = .1103).

Conclusions:

There was no significant difference between the atomoxetine + MI/CBT and placebo + MI/CBT groups in ADHD or substance use change. The MI/CBT and/or a placebo effect may have contributed to a large treatment response in the placebo group.

Conclusions:

Clinical Trials Registry Information—A Randomized, Placebo-Controlled Trial of Atomoxetine for Attention-Deficit/Hyperactivity Disorder in Adolescents with Substance Use Disorder. URL: http://www.clinicaltrials.gov. Unique identifier: NCT00399763.

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