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Original Articles

Impact of Attention-Deficit/Hyperactivity Disorder (ADHD) Treatment on Smoking Cessation Intervention in ADHD Smokers: A Randomized, Double-Blind, Placebo-Controlled Trial

Theresa M. Winhusen, PhD; Eugene C. Somoza, MD, PhD; Gregory S. Brigham, PhD; David S. Liu, MD; Carla A. Green, PhD, MPH; Lirio S. Covey, PhD; Ivana T. Croghan, PhD; Lenard A. Adler, MD; Roger D. Weiss, MD; Jeffrey D. Leimberger, PhD; Daniel F. Lewis, BA; and Emily M. Dorer, BS

Published: May 18, 2010

Article Abstract

Objective: High smoking rates in adults with attention-deficit/hyperactivity disorder (ADHD) and nicotine’s amelioration of ADHD suggest that effective ADHD treatment might facilitate abstinence in smokers with ADHD. The present study evaluated if using osmotic-release oral system methylphenidate (OROS-MPH) to treat ADHD enhances response to smoking cessation treatment in smokers with ADHD.

Method: A randomized, double-blind, placebo-controlled, 11-week trial with a 1-month follow-up was conducted at 6 clinical sites between December 2005 and January 2008. Adults (aged 18-55 years) meeting DSM-IV criteria for ADHD and interested in quitting smoking were randomly assigned to OROS-MPH titrated to 72 mg/d (n = 127) or placebo (n = 128). All participants received brief weekly individual smoking cessation counseling for 11 weeks and 21 mg/d nicotine patches starting on the smoking quit day (day 27) through study week 11. Outcome measures included prolonged smoking abstinence and DSM-IV ADHD Rating Scale (ADHD-RS) score.

Results: Of 255 randomly assigned participants, 204 (80%) completed the trial. Prolonged abstinence rates, 43.3% and 42.2%, for the OROS-MPH and placebo groups, respectively, did not differ significantly (OR = 1.1; 95% CI, 0.63-1.79; P = .81). Relative to placebo, OROS-MPH evidenced a greater reduction in DSM-IV ADHD-RS score (P < .0001) and in cigarettes per day during the post-quit phase (P = .016). Relative to placebo, OROS-MPH increased blood pressure and heart rate to a statistically, but not clinically, significant degree (P < .05); medication discontinuation did not differ significantly between treatments.

Conclusions: Treatment for ADHD did not improve smoking cessation success; OROS-MPH, relative to placebo, effectively treated ADHD and was safe and generally well tolerated in this healthy sample of adult ADHD smokers.

Trial Registration: clinicaltrials.gov Identifier: NCT00253747

J Clin Psychiatry 2010

Submitted: January 30, 2009; accepted July 10, 2009.

Online ahead of print: May 18, 2010.

Corresponding author: Theresa M. Winhusen, PhD, University of Cincinnati, 3210 Jefferson Ave, Cincinnati, OH 45220 (winhusen@carc.uc.edu).

Volume: 71

Quick Links: Addiction , Smoking

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