EICHORCondition: Craving · Sponsor: University of Pittsburgh
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The proposed study uses fMRI and behavioral measures in and outside the laboratory to investigate the neurobehavioral mechanisms underlying the impact of pleasant olfactory cues (OCs) on cigarette craving. The investigators plan to randomize 278 participants to a pleasant OC condition or an odor blank (neutral) condition and due to anticipated drop out expect to run 250 adult (half female) smokers, including both daily and nondaily smokers through the protocol. This study involves three visits. In the first visit, participants will complete a baseline breath carbon monoxide reading, a brief odor threshold test, and complete a series of self-report measures. In the next session, participants who are 8-hrs deprived of nicotine will undergo a 60-minute fMRI scan that will include structural, resting state, and task-based data collection. The fMRI task involves completing a series of tasks designed to index responses linked to key neural networks found to relate to addiction (e.g., reward processing, working memory). Participants will also be exposed to smoking cues to heighten craving and then depending on their condition (randomly assigned) will either receive a pleasant or neutral (odor blank) OC. In the third session, behavioral data will be collected to test the impact of either a pleasant or neutral OC on cigarette craving using self-reported urge and behavioral measures linked to craving. Finally, for pilot purposes designed to offer data for a subsequent clinical study (b…
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| The University of Pittsburgh | Pittsburgh, Pennsylvania, United States | — |
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Source record: clinicaltrials.gov/study/NCT04902469