Why the study?
Does varenicline increase the risk of suicidal outcomes in smokers?
Population
Smokers, including those with psychiatric problems
Comparison
Varenicline vs Placebo, prescribed bupropion, or…
Design
Systematic_review
Authors
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Reassures on varenicline suicide safety for smoking cessation; challenges postmarketing warnings in favor of controlled evidence.
Does varenicline increase the risk of suicidal outcomes in smokers?
This systematic review suggests that varenicline does not significantly increase the risk of suicidal outcomes, indicating that clinical warnings should reflect findings from more valid research designs rather than just postmarketing reports.
John R. Hughes (2015) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: