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Blood test could help alaska natives quit smoking for good

NCT ID NCT06556238

Disease control Sponsor: Southcentral Foundation Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study is testing whether a simple blood test that measures how fast a person breaks down nicotine can help doctors choose the best medication to help Alaska Native and American Indian people quit smoking. The study will enroll 50 adults who smoke daily and are ready to quit. Researchers will see if participants and healthcare providers find this personalized approach acceptable and practical to use in a real clinic setting.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Nicotine Metabolite Ratio (NMR) blood test to guide medication choice
What this could lead to
If successful, this could lead to a more personalized and effective way to help Alaska Native people quit smoking by matching them with the right medication based on how fast they break down nicotine.
What could go wrong
This is a very small pilot study with only 50 participants and no comparison group, so results may not be generalizable. The main goal is to see if the approach is acceptable and feasible, not yet to prove it helps people quit.

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

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

About 50 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2025

Expected to finish

Jun 2026

An estimate. End dates often move.

Lead sponsor

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

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show 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: (Patients) * Alaska Native or American Indian person by self-report * eligible for or already receiving services at Southcentral Foundation (SCF) * age 18 years or older * daily smoking in the past 30-days * if other nicotine or tobacco products are used, cigarettes are main product used * planning to schedule an appointment with the Quit Tobacco Program to seek smoking cessation treatment in the next 30 days * willing to make a quit attempt within 30 days of enrollment in the Quit Tobacco Program * willing to have a blood test to inform their treatment * willing to try a pharmacologic treatment * willing to provide a saliva sample * has phone service * has access to broadband internet on mobile phone at home, work, or other location * has an Android or iPhone mobile phone compatible with the Smokerlyzer app (Staff) \- Staff participants of qualitative interviews to assess acceptability and feasibility of the intervention must be a health care professional at Southcentral Foundation (SCF), involved in the care of one of the participants of the study, that is their care team staff; including but not limited to: primary care providers, tobacco treatment specialists/health educators, pharmacists, nurse case managers, behavioral health consultants, certified medical assistants, and lab technicians. Exclusion Criteria: (Patients) * Participated in the prior study phase * participated in a cessation program during the past 3 months * their provider has not approved varenicline in their referral to the Quit Tobacco Program * has history of serious hypersensitivity or skin reactions to varenicline * has bleeding disorder or is currently receiving cancer treatment * questionable capacity or impaired decision-making capacity

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Conditions

The condition(s) this trial relates to.

Smoking Cessation

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Smoking cessation

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Anchorage Native Primary Care Center

    RECRUITING

    Anchorage, Alaska, 99508, United States

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