This is a research study to find out if a smoking cessation medication, varenicline, is effective when given to smokers, remotely, as a one-time, 4-week sample.
Participants will either receive a sample of varenicline, or not. This will be decided randomly. The medicine will be mailed to participants and participants will complete 5 study contacts in addition to completing daily diaries for the first 4 weeks of the study. Participation will last 3 months.
Varenicline is a well-established medication that helps smokers quit. If participants are in the group that receives varenicline, it may help them too. But they are not required to use it, and it is completely up to them to use as they wish. Side effects from taking varenicline might include insomnia, headache, or nausea. Some individuals report negative changes in mood. Most smokers who use varenicline do not experience these symptoms.
The purpose of this study is to measure changes in smoking behavior during and following sampling of an e-cigarette product. E-cigarettes are classified by the US Food and Drug Administration (FDA) as a tobacco product, though they contain no tobacco. Unlike regular cigarettes, which are burned (creating smoke that is inhaled), e-cigarettes include a heating element that vaporizes nicotine. E-cigarettes are likely much safer than conventional cigarettes, but they may not be entirely safe. We are testing the effects of one specific e-cigarette (NJoy) on smoking behavior. Neither the tobacco industry nor any e-cigarette manufacturer provides support of any kind to this study. There is no requirement to quit smoking in this study.