Can your genes help you quit smoking? new study tests personalized approach
NCT ID NCT05846841
First seen Jun 27, 2026 · Last updated Aug 04, 2026 · Updated 2 times
Summary
This study tests whether giving smokers a personalized quit plan based on their genes, health history, and biomarkers helps more people stop smoking than standard advice. About 850 smokers and their doctors from primary care clinics will take part. The goal is to see if tailored recommendations increase medication use and quit rates.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- behavioral intervention (personalized tobacco treatment recommendations based on clinical, genetic, and biomarker information)
- What this could lead to
- If successful, this approach could make smoking cessation treatments more effective by tailoring them to each person's unique profile.
- What could go wrong
- This is a relatively early-stage behavioral study, and the personalized approach may not significantly improve quit rates over standard care. Results depend on clinician and patient adherence.
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 850 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2023
- Expected to finish
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Sep 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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18 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.
Eligibility Criteria for Primary and Specialty Care Clinicians * Clinician from participating clinic * At least 18 years of age * Can speak and understand English Eligibility Criteria for Primary Care and Specialty Patients Inclusion: * Patient at participating clinic * Age 18 years or older, inclusive * Current smoking (cigarettes per day \>=5) * Can speak and understand English * Willing to consider medication to help reduce craving or smoking such as nicotine patch, lozenge, or varenicline Exclusion: * Active use of smoking cessation medication (within the past 30 days) * Receipt of smoking cessation medication or prescription for smoking cessation medication (within the past 30 days) * Having a contraindication for cNRT or varenicline (allergic reactions, current cardiac problems, pregnancy)
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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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Washington University School of Medicine
RECRUITINGSt Louis, Missouri, 63110, United States
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