Journal
NEUROPSYCHOPHARMACOLOGY
Volume 48, Issue 2, Pages 308-316Publisher
SPRINGERNATURE
DOI: 10.1038/s41386-022-01455-6
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Tobacco use is a leading cause of preventable death globally. This study examined the potential of stress to enhance the effects of a memory updating intervention on smoking cessation. The findings showed that individuals exposed to stress had greater psychophysiological responses during the intervention and experienced greater reductions in cigarette use.
Tobacco use is the leading cause of preventable mortality worldwide. Since current smoking cessation aids show only modest efficacy, new interventions are needed. Given the evidence that stress is a potent trigger for smoking, the present randomized clinical trial tested whether stress could augment the effects of a memory updating (retrieval-extinction) intervention. Non-treatment seeking smokers (n = 76) were assigned to one of four conditions composed of either a stressful or non-stressful psychosocial challenge followed by either smoking or neutral cues. Ten minutes after this manipulation, all underwent a 60-minute extinction procedure during which they viewed smoking-related videos and images and manipulated smoking paraphernalia. Compared to participants who were not exposed to the laboratory stressor, the stressor-exposed groups exhibited greater psychophysiological responses during their intervention and greater decreases in cigarette use at two- and six-weeks follow-up independent of smoking cue exposure. Together, these findings suggest that the ability of stress to activate cigarette seeking processes can be exploited to decrease cigarette use. With replication, the stress-based intervention could become a novel strategy for decreasing cigarette use in non-treatment seeking smokers. Clinicaltrials.gov identifier: NCT04843969.
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