Clinical utility of varenicline for smokers with medical and psychiatric comorbidity
Jon O Ebbert, Kirk D Wyatt, Ali Zirakzadeh, Michael V Burke, JT Hays
Mayo Clinic College of Medicine, Mayo Clinic, Rochester, MN, USA
Abstract: Chronic obstructive pulmonary disease (COPD) is a costly and deadly disease afflicting an estimated 210 million people and accounting for 5% of all global deaths. Exposure to cigarette smoke is the greatest risk factor for COPD in the developed world. Smoking cessation improves respiratory symptoms and lung function and reduces mortality among patients with COPD. Cigarette smokers with COPD and other co-morbid conditions such as cardiovascular disease and psychiatric illnesses should receive comprehensive tobacco treatment interventions incorporating efficacious pharmacotherapies. Varenicline, an α4β2 nicotinic acetylcholine receptor partial agonist, is the newest and most effective drug currently available to promote smoking cessation. In conjunction with behavioral interventions and clinical monitoring for potential side effects, varenicline offers great hope for reducing smoking-attributable death and disability.
Keywords: smoking cessation, chronic obstructive pulmonary disease, varenicline
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