CSD210904: Study to Assess Actual Use of a Heated Tobacco Product With Four Non-Combusted Cigarette Variants in Current Adult Smokers

This is a multi-site, open-label, 8-week, prospective observational study, conducted at multiple sites geographically dispersed within the U.S. The purpose of this Actual Use Study (AUS) is to investigate how U.S. adult tobacco consumers 21 to 60 years of age, inclusive, who typically smoke on average (≥5 cigarettes/day) on at least 20 out of the past 30 days will use a heated tobacco product comprising a heating device and four non-combusted cigarette variants (HTP Investigational Product \[IP\]) over a 6-week Actual Use Period (AUP) in their real-life/naturalistic environment and in the context of typical consumer marketing materials.