150
Participants
Start Date
December 1, 2021
Primary Completion Date
July 31, 2028
Study Completion Date
July 31, 2028
NIDA Standard Research E-cigarette (SREC)
Smokers will switch to NIDA Standard Research E-cigarette (SREC).
University of Southern California, Health Sciences Campus, Los Angeles
University of California
OTHER
University of Southern California
OTHER