View clinical trials related to Cigarette Smoking.
Filter by:This study evaluates whether non-cigarette tobacco products (e-cigarettes) can help smokers quit smoking as compared to traditional quit methods (nicotine replacement therapy or varenicline/Chantix). Participants in this study will be randomly assigned to one of two groups, then will have a choice between the offered products of that group. Participants in the e-cigarette group will have a choice of e-cigarette brand and flavor. Participants in the medication group will have choice between nicotine replacement therapy (patches and lozenges) or varenicline, also known as Chantix. Participation will last 6 months and will include weekly phone calls for the initial 7-weeks plus a 11-week phone call and a 6-month follow-up visit. Participants will also complete electronic daily diaries during the first 7-weeks.
This between-subjects study aims to evaluate whether e-cigarettes (ECIGS) versus oral nicotine pouches (ONPS) more readily substitute for combustible cigarettes among 200 cigarette smokers. After measuring baseline cigarette smoking rate, participants will be randomized to ECIGS or ONPS and be instructed to switch (versus smoking cigarettes) over a 6-week period. Relative reductions in biomarkers of exposure will be measured. ECIG- and ONP-associated subjective reward and the reinforcing value of ECIGS and ONPS relative to combustible cigarettes will be assessed as mechanisms.
The goal of this project is to refine and test a culturally-tailored smoking cessation intervention for American Indian women who have experienced intimate partner violence (IPV). The primary aims of this study are to: (a) use a community-based participatory approach to refine intervention materials and finalize pilot intervention methodology for a culturally tailored, trauma-informed smoking cessation intervention for AI women who have experienced IPV; (b) examine feasibility, acceptability, satisfaction, and preliminary efficacy of the intervention; and (c) explore changes in alcohol and drug use over the course of the intervention. Participants will be asked to participate in the 8-week Healing Within: Smoking Cessation Intervention for American Indian Women Experiencing Intimate Partner Violence, and complete interviews at baseline, end-of-treatment, and three months from the end of treatment.
Characterize effects of relighting on smoke toxicant deliveries and subjective smoking measures. This will be a within-subject comparison in a single experimental group of 30 smokers who report engaging in relighting behaviors. We will assess smoking intensity for relit and non-relit (i.e., smoked continuously without relighting) cigarettes in the natural environment and will conduct in-clinic measurements of smoking topography and subjective responses for relit and non-relit cigarettes. Information on relighting patterns and smoking topography collected from each participant will be used to compare machine-measured smoke yields of key harmful constituents when their usual cigarettes are smoked with and without relighting. Hypothesis: Relit cigarettes will produce higher levels of toxicants than non-relit cigarettes.
This between-subjects study aims to evaluate the effect of flavor on initial and sustained switching from combustible cigarettes to e-cigarettes among 210 cigarette smokers. After measuring baseline cigarette smoking rate, participants will be randomized to a six-week regimen of fruit-flavored, tobacco-flavored, or menthol-flavored e-cigarettes and be instructed to switch (versus smoking cigarettes) over a 6-week period. Flavor-associated subjective reward and the reinforcing value of flavored e-cigarettes relative to combustible cigarettes will be assessed as mechanisms.
This trial will examine the effect of semaglutide 2.4mg on changes in body weight, body composition, and peripheral and central mechanisms that control appetite, satiety, and food intake in the context of smoking cessation.
Effects of deep breathing exercise on pulmonary function, perceived stress and physical fitness among healthy smokers.
This study will experimentally assess the comparability of in-lab and remote procedures with hypothetical and real ETM purchase outcomes.
The purpose of this an open-label, randomized controlled trial study is to compare the effectiveness of electronic cigarettes (e-cigarettes/e-cigs) versus telehealth motivational counseling with combination nicotine replacement therapy (NRT) + telehealth counseling on combustible cigarettes smoking reduction among persons with opioid use disorder (OUD) in methadone and buprenorphine treatment programs (opioid use disorder treatment programs (OUDTP)). OUDTP patients are a population with exceptionally high combustible cigarettes smoking burden and yet limited success in achieving meaningful clinical outcomes in tobacco treatment. If effective, electronic cigarettes would provide an additional tool for tobacco harm reduction among this difficult-to-treat vulnerable population.
This study is designed to investigate the effects of a beta-adrenergic antagonist (Propranolol; 40 mg IR) and nicotine patch (14 mg) administered alone and in combination on neurobiological and behavioral responses to smoking cues in ongoing cigarette smokers. This is a basic experimental study in humans and participants will not take these medications for an extended period or make a cessation attempt as part of their involvement in this research project.