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Inhibition (Psychology) clinical trials

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NCT ID: NCT03441737 Withdrawn - Smoking Cessation Clinical Trials

Aerobic Exercise and Inhibitory Control

AMIAEIC
Start date: April 2018
Phase: N/A
Study type: Interventional

Although more than half of Canadian smokers in 2015 attempted to quit, with one-third attempting more than once, successful smoking cessation (quitting) remains a challenge. Relapse (return to smoking) has been attributed to failures in inhibitory control. Inhibitory control is the ability to suppress actions. Previous studies have identified that aerobic exercise improves inhibitory control and reduces the urge to smoke. This study will examine whether an acute bout of moderate intensity aerobic exercise (i.e. brisk walk on a treadmill) will improve inhibitory control, increase time to first cigarette smoked, and reduce urges to smoke during a brief period of abstinence. Inhibitory control will be assessed using the antisaccade task, which requires the participant to shift their gaze away from a visual target presented to them. Phase I will include assessments of smoking behaviours, physical activity levels, urges to smoke, and inhibitory control. Phase II will consist of a 12-hour smoking abstinence period conducted at home, followed by reassessment of urges to smoke and inhibitory control. Participants will then be randomized to either 20 minutes of aerobic exercise or sitting. Following the intervention, reassessment of urges to smoke, inhibitory control, and time to first cigarette smoked will be conducted.