E-Cigs vs nicotine pouches: which helps smokers quit best?
NCT ID NCT06077240
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether e-cigarettes or nicotine pouches help adult smokers reduce their cigarette use. 256 participants who smoke will be given one of these products for 4 weeks, with different flavors and nicotine levels. Researchers will track how many cigarettes they smoke and how often they use the alternative product.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- e-cigarettes and oral nicotine pouches
- What this could lead to
- If successful, this study could show which non-combustible nicotine products and features (like flavor and nicotine level) best help smokers cut down on cigarettes.
- What could go wrong
- This is a small, short-term study (4 weeks) focused on behavior, not long-term health outcomes. Results may not apply to all smokers, and switching to these products still carries health risks.
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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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 256 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2024
- Expected to finish
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Apr 2028
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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21 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 21+ years old * English literate * Currently smoking cigarettes, biochemically confirmed Exclusion Criteria: * Currently using smoking cessation pharmacotherapies (NRT, bupropion, varenicline) * Currently pregnant or breastfeeding * Significant current medical or psychiatric condition * Known hypersensitivity to propylene glycol
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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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Yale University
RECRUITINGNew Haven, Connecticut, 06520, United States
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Other studies related to the condition(s) this trial covers.
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