Examining the Impact of Nicotine Pouches in Rural Ohio and Ohio Appalachia

PRIMARY OBJECTIVES: I. Assess appeal, perceived substitutability, and nicotine delivery of nicotine pouches (NPs) with high versus (vs.) low free-base nicotine (FBN) content among rural and Appalachian moist snuff users. II. Evaluate whether smokeless tobacco (SLT) dependence modifies effects of NP FBN content on product appeal, perceived substitutability, and nicotine delivery. OUTLINE: Participants are randomized to 1 of 6 arms. ARM I: Participants receive their usual brand of smokeless tobacco at study visit 1, ZYN brand nicotine pouch at study visit 2, and Rogue brand nicotine pouch at study visit 3. Participants also undergo intravenous (IV) line insertion and collection of blood on study. ARM II: Participants receive their usual brand of smokeless tobacco at study visit 1, Rogue brand nicotine pouch at study visit 2, and ZYN brand nicotine pouch at study visit 3. Participants also undergo IV line insertion and collection of blood on study. ARM III: Participants receive ZYN brand nicotine pouch at study visit 1, their usual brand of smokeless tobacco at study visit 2, and Rogue brand nicotine pouch at study visit 3. Participants also undergo IV line insertion and collection of blood on study. ARM IV: Participants receive ZYN brand nicotine pouch at study visit 1, Rogue brand nicotine pouch at study visit 2, and their usual brand of smokeless tobacco at study visit 3. Participants also undergo IV line insertion and collection of blood on study. ARM V: Participants receive Rogue brand nicotine patch at study visit 1, their usual brand of smokeless tobacco at study visit 2, and ZYN brand nicotine patch at study visit 3. Participants also undergo IV line insertion and collection of blood on study. ARM VI: Participants receive Rogue brand nicotine pouch at study visit 1, ZYN brand nicotine pouch at study visit 2, and their usual brand of smokeless tobacco at study visit 3. Participants also undergo IV line insertion and collection of blood on study.