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Effect of bupropion on depression symptoms in a smoking cessation clinical trial.

Bupropion is an antidepressant shown to be efficacious for smoking cessation. This study examined the short- and long-term effects of bupropion (300 mg/day for 10 weeks) versus placebo on depression symptoms among 497 smokers attempting to quit in a randomized trial of bupropion plus behavioral counseling. Depression symptoms were assessed via the Center for Epidemiological Studies Depression Scale (L. Radloff, 1977) at baseline, end of treatment, and at 6-month follow-up. Baseline nicotine dependence level was assessed with the Fagerström Test for Nicotine Dependence (T. F. Heatherton, L. T. Kozlowski, R. C. Frecker, & K. O. Fagerstrom, 1991). A regression model of depression symptoms demonstrated a significant interaction between nicotine dependence and treatment for the treatment phase and during follow-up. Depression symptoms did not mediate the effects of bupropion on abstinence at either time point. Highly nicotine-dependent smokers who receive bupropion are more likely to experience a decrease in depressive symptoms during active treatment but are also more likely to experience a rebound in depressive symptoms when bupropion is discontinued.[1]

References

  1. Effect of bupropion on depression symptoms in a smoking cessation clinical trial. Lerman, C., Niaura, R., Collins, B.N., Wileyto, P., Audrain-McGovern, J., Pinto, A., Hawk, L., Epstein, L.H. Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors. (2004) [Pubmed]
 
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