245
Participants
Start Date
September 30, 2015
Primary Completion Date
January 11, 2018
Study Completion Date
March 23, 2018
Reduced Nicotine Content Cigarettes
Research cigarettes will have gradually reduced nicotine content
Usual Nicotine Content Cigarettes
Usual Nicotine Content Cigarettes
Penn State College of Medicine, Hershey
Massachusetts General Hospital, Boston
National Institute on Drug Abuse (NIDA)
NIH
Milton S. Hershey Medical Center
OTHER