473
Participants
Start Date
August 16, 2024
Primary Completion Date
February 29, 2028
Study Completion Date
August 31, 2028
Very Low Nicotine Cigarette
Participants will be assigned to one of two investigational cigarette nicotine levels for the duration of the experiment: 0.4mg/g or 15.8mg/g
Reduced nicotine regulatory environment
In this regulatory environment, participants' usual combustible cigarette will not be available in the Experimental Tobacco Marketplace and only the participants' assigned investigational cigarette will be the only available combustible cigarette.
Restriction on characterizing flavors in combustible nicotine products
In this regulatory environment, menthol and other characterizing flavors in combustible nicotine products will not be available in the Experimental Tobacco Marketplace. Only tobacco or no flavored combustible nicotine products will be the only combustible nicotine products available.
Restriction on characterizing flavors in noncombustible nicotine products
In this regulatory environment, menthol and other characterizing flavors in noncombustible nicotine products will not be available in the Experimental Tobacco Marketplace. Only tobacco or no flavored noncombustible nicotine products will be the only noncombustible nicotine products available.
University of Kentucky, Lexington
National Institute on Drug Abuse (NIDA)
NIH
Mikhail N Koffarnus
OTHER