110
Participants
Start Date
October 1, 2019
Primary Completion Date
April 10, 2023
Study Completion Date
April 10, 2023
EC with nicotine
Use an EC with nicotine for up to 30 minutes
EC without nicotine
Use an EC without nicotine for up to 30 minutes
control
sham control
TC with nicotine (own brand)
smoke a TC
research TC with very low level nicotine
smoke a research TC with very low level nicotine
UCaliforniaLA, Los Angeles
Tobacco Related Disease Research Program
OTHER
University of California, Los Angeles
OTHER