66
Participants
Start Date
March 31, 2005
Primary Completion Date
September 30, 2006
Study Completion Date
November 30, 2006
Nicotine free cigarettes
Quest Step 2 contains 0.05 mg nicotine
Extra-low nicotine cigarettes
Quest 2 cigarettes contains 0.3 mg nicotine
Nicotine Lozenge
4 mg nicotine lozenge
Univerisity of Minnesota, Minneapolis
National Cancer Institute (NCI)
NIH
National Institute on Drug Abuse (NIDA)
NIH