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Biol Psychiatry. 2008 Jun 1;63(11):1092-6. Epub 2007 Dec 21.

A placebo-controlled trial of bupropion combined with nicotine patch for smoking cessation in schizophrenia.

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  • 1Centre for Addiction and Mental Health, Faculty of Medicine, University of Toronto, Ontario, Canada.



Individuals with schizophrenia smoke at higher rates (58%-88%) than the general population (approximately 22%), and have difficulty quitting. We determined whether the combination of sustained-release (SR) bupropion (BUP) with the transdermal nicotine patch (TNP) was well-tolerated and superior to placebo (PLO)+TNP for smoking cessation in schizophrenia.


A 10-week, double-blind, placebo-controlled trial of BUP (300 mg/day) in combination with TNP (21 mg/24h) for 58 outpatient smokers with schizophrenia was conducted. Primary outcome measures were continuous smoking abstinence in the last 4 weeks of the trial (Days 43-70) and 7-day point prevalence abstinence at 6 months post-target quit date (TQD) (week 26).


Smokers assigned to the BUP+TNP group (n = 29) were more likely to achieve continuous smoking abstinence (8/29, 27.6%) than the PLO+TNP group (n = 29, 1/29, 3.4%) [Fisher's Exact Test, p < .05]; at 6-months post-TQD, 4/29 (13.8%) versus 0/29 (0.0%) achieved 7-day point prevalence smoking abstinence (p = .11). Neither bupropion SR nor smoking abstinence significantly altered the positive or negative symptoms of schizophrenia. The combination was well-tolerated in smokers with schizophrenia.


Combination therapy with bupropion SR+TNP versus placebo+TNP is well-tolerated and significantly improved short-term smoking abstinence in smokers with schizophrenia.

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