156
Participants
Start Date
August 6, 2018
Primary Completion Date
March 13, 2020
Study Completion Date
March 13, 2020
NNC Spectrum Cigarette
Participants are provided with normal nicotine content Spectrum Cigarette for 13 weeks.
VLNC Spectrum Cigarette
Participants are provided with very low nicotine content Spectrum Cigarette for13 weeks
Moderate nicotine level e-liquid
Participants are provided with moderate nicotine level e-liquid for 13 weeks
Low nicotine level e-liquid
Participants are provided with very low or nicotine-free nicotine level e-liquid for 13 weeks
Tobacco Flavors
Participants can choose e-liquid flavors from a selection of tobacco flavors
Tobacco and non-tobacco e-liquid flavors
Participants can choose e-liquid flavors from a selection of flavors that includes tobacco and non-tobacco choices
University of Pennsylvania, Philadelphia
Wake Forest Biotech Place, Winston-Salem
University of Pennsylvania
OTHER
National Institute on Drug Abuse (NIDA)
NIH
Wake Forest University Health Sciences
OTHER