Active clinical trials for "Tobacco Use Disorder"

Background. The ROSCAP Study was a randomized controlled trial in heart disease patients to test the effect of a smoking reduction intervention on cigarettes per day (cpd) and biochemical and clinical indicators of tobacco exposure. .

RATIONALE: Exercise may help improve lung function and lessen complications of surgery in patients with chronic obstructive pulmonary disease who are undergoing surgery for lung cancer. It is not yet known whether lung rehabilitation is more effective than standard therapy in improving lung function in patients with chronic obstructive pulmonary disease who are undergoing surgery for lung cancer. PURPOSE: This randomized clinical trial is studying lung rehabilitation to see how well it works compared to standard therapy in treating patients with chronic obstructive pulmonary disease who are undergoing surgery for lung cancer.

The purpose of this study is to test the ways that a drug called varenicline helps smokers to quit smoking. Varenicline is also called Chantix® and is approved by the United States Food and Drug Administration (FDA) to help people quit smoking. We will test how varenicline works by having you quit smoking and complete tasks that assess how you think and feel. We predict that varenicline help reduce anxiety, improve attention and concentration, and reduce how satisfying cigarettes are.

The purpose of this study is to gather pilot data to determine feasibility of and guide the development of a larger clinical trial investigating the effects of topiramate as an adjunct to nicotine replacement therapy and behavioral counseling in smoking cessation treatment. It is hypothesized that topiramate will decrease nicotine craving and result in improved outcomes for smoking cessation.

In this study we, the investigators at the Centre for Addiction and Mental Health, intend to explore whether bupropion is able to reduce smokers' responses to cigarette-related environmental cues, and craving. Previous studies have indicated that bupropion may be able to achieve these outcomes. Therefore, we predict that smokers treated with bupropion for several weeks will show reduced reactivity to cigarette cues and craving.

The study is a randomized crossover trial. Current smokers will complete a session with each product: usual brand cigarette, e-cigarette, and heat-not-burn. The objective of this survey is to assess for ongoing use of study products and is part of safety monitoring.

The proposed study investigates the feasibility and efficacy of FITs in dual-smoker couples [DSCs]. The core design is a three-group mixed repeated measures design, in which participants are randomized into one of three conditions (control [CTL], dyadic target [DT] FIT or single target [ST] FIT) and tracked across 3 months. The FIT involves monetary incentives for online psychoeducation completion and smoking abstinence at follow-up.

The current pilot study will assess the feasibility and acceptability of a novel mHealth app designed for people who are ambivalent about quitting smoking. Results will be used to refine the intervention and plan for a future randomized effectiveness trial.

The proposed study will help fill gaps in existing research by determining if nicotine-dependent cigarette smokers show changes in α7 nicotinic acetylcholine receptor (nAChR) availability when compared to matched historical controls using positron emission tomography (PET) imaging and the radioactive ligand [18F]-ASEM (3-(1,4-diazabicyclo[3.2.2]nonan-4-yl)-6 [18F]fluorodibenzo[b,d]thiophene 5,5-dioxide), an α7 nAChR antagonist. The study will also explore whether α7 nAChR availability influences clinically relevant measures of tobacco abstinence (e.g., withdrawal and craving, cognitive impairment), self-reported cigarettes per day, and time to relapse during an 8-day quit attempt during which smokers can receive escalating payments contingent upon providing objective evidence (breath CO and urinary cotinine) of smoking abstinence.

This study seeks to elucidate the impact of e-cigarette flavor on subjective effects and nicotine exposure from e-cigarettes containing different forms of nicotine.