Overview Evaluation of the Abuse Liability of Very Low Nicotine (VLN) Cigarettes Status: Completed Trial end date: 2018-09-06 Target enrollment: Participant gender: Summary This study is designed to evaluate the abuse liability of very low nicotine cigarettes compared to nicotine gum and usual brand cigarettes Phase: Phase 1 Details Lead Sponsor: 22nd Century Group, Inc.Collaborator: Vince & Associates Clinical Research, Inc.Treatments: Nicotine