University of Houston
The proposed project aims to refine and test a novel biobehavioral smoking cessation intervention that integrates the strategic application of olfactory stimulation to reduce cigarette craving with an established smartphone-based smoking cessation application. The specific aims of this study are: (1) refine the design and methodology of our olfactory stimulation delivery system (OSDS) and (2) compare, in a pilot randomized controlled trial (RCT), the effects of a smartphone based app for smoking cessation (Smart-T) with and without the OSDS on smoking cessation outcomes.
The objective of the current trial is to refine a novel biobehavioral smoking cessation intervention that integrates the strategic application of olfactory stimulation to reduce cigarette cravings (olfactory stimulation delivery system; OSDS) and then to test the OSDS as an adjunctive support for smoking cessation when integrated with an established smartphone-based smoking cessation application (Smart-T). The study will be conducted in two phases. Phase I will consist of a crossover, micro-randomized controlled trial to inform methodology for odor administration and examine the effects of OS…
Inclusion Criteria: * At least 18 years of age * Ability to read, understand and speak English * Currently smoke at least 5 cigarettes daily for one year or longer * Do not currently smoke marijuana or currently smoke marijuana but willing to not smoke during the duration of the study * Did not use electronic cigarette or vaping device in the past 90 days * Have an active smartphone that is Apple or Android based * Have phone service including a data plan * Interested in downloading the study app onto their personal phone * Motivated to quit smoking * English literacy of 7th grade or higher,…
Participants in this condition will use the novel olfactory stimulation delivery system (Inspire), to smell a specific order designed to assist with smoking cessation for 7 days. Participants will then be instructed to record every urge to smoke and report times when they think they might smoke in the smartphone-based smoking cessation app, Insight™. When urges above 0 are reported, the app will instruct participants to use the Inspire device. On day 8, participants will receive a notification on the smartphone-based smoking cessation app, Insight™, to switch to the Instructed Use condition. Participants will then be instructed to use the Inspire device only when participants report a cigarette craving above 0 at each of the surveys prompted from the smartphone-based smoking cessation app, Insight™.
Participants in this condition will use the novel olfactory stimulation delivery system (Inspire), to smell a specific order designed to assist with smoking cessation for 7 days. Participants will be instructed to use the Inspire device only when participants report a cigarette craving above 0 at each of the surveys prompted from the smartphone-based smoking cessation app, Insight™. On day 8, participants will receive a notification on the smartphone-based smoking cessation app, Insight™, to switch to the Ad Libitum condition. Participants will then control how often they use Inspire and will be instructed to record every urge to smoke and report times when they think they might smoke in the smartphone-based smoking cessation app, Insight™.
Smart-T provides content during the pre-quit and post-quit periods to prepare and support participants during their quit attempts. Smart-T app contains multiple components, including an EMA delivery and data transfer system, automated messages based on EMA responses, and on-demand content. Participants will use Smart-T for 13 weeks. Participants will also use the Inspire device.
Smart-T provides content during the pre-quit and post-quit periods to prepare and support participants during their quit attempts. Smart-T app contains multiple components, including an EMA delivery and data transfer system, automated messages based on EMA responses, and on-demand content. Participants will use Smart-T for 13 weeks.
NRT patches will be provided to assist with cravings and withdrawal symptoms following the quit attempts.
The Inspire Device is a novel olfactory stimulation delivery system. It is a self-contained system with seven sealed chambers, with six gel matrix's that contain a distinct odor and one odorless gel matrix. Participants will press a button on the device to release an odor for participants to smell.
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