Sniff your way to quit? early trial tests scent device for cigarette cravings
NCT ID NCT07007195
First seen Jun 26, 2026 · Last updated Jul 09, 2026 · Updated 3 times
Summary
This early-phase study tests whether a device that delivers specific smells can reduce cigarette cravings and help people stop smoking. About 132 smokers will use a smartphone app with or without the scent device for a week, then report cravings and quit attempts. The goal is to see if adding scents makes quitting easier.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Inspire Device (olfactory stimulation delivery system)
- What this could lead to
- If it works, this could offer a new, drug-free tool to help people manage cigarette cravings and support smoking cessation.
- What could go wrong
- This is a very early, small pilot study (132 people) testing feasibility and initial effects. The approach may not prove effective for quitting long-term, and results may not apply to all smokers.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 132 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
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, as indicated by a score of ≥ 4 on the Rapid Estimate of Adult Literacy in Medicine-Short Form (REALM-SF) * Biochemical verification of smoking status * Proof of smoking status at enrollment via photo of cigarettes * Presents a photo ID that matches the information on screener survey * Willing and able to complete study procedures * Willing to use NRT and quit smoking for 14 days (Phase I) or willing to use NRT and quit smoking for 13 weeks (Phase II) Exclusion Criteria: * Olfactory dysfunction including inability to smell, a very weak or distorted sense of smell, or sensitivity to odors * Report any allergies or negative reactions to odors/fragranced products * Being pregnant, breastfeeding, or planning to become pregnant within the next month * Report hypertension that is not under control * Have had a heart attack within the past two weeks * Those who participated in Phase I will not be eligible to participate in Phase II * Have a smartphone that is not compatible with the Insight mHealth platform * Report using electronic cigarette or vaping device in the past 90 days
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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RESTORE Laboratory: Research on Emotion, Substance Use Treatment Outcomes, Rehabilitation, and Empowerment
RECRUITINGHouston, Texas, 77204, United States
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