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Scientists scan brains to catch smoking lapses before they happen

NCT ID NCT05572671

Knowledge-focused Sponsor: Penn State University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study uses brain scans (fMRI) to see what happens in the brain just before a smoker lapses (takes a cigarette during a quit attempt). Researchers will have 150 smokers complete a task where they can delay smoking for money, while their brain activity and feelings are measured. The goal is to understand why lapses happen, which could lead to better ways to prevent relapse.

What this could mean

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

What this could lead to
If successful, this could reveal brain patterns that predict a smoking lapse, pointing toward better strategies to help people quit smoking.
What could go wrong
This is an early-stage observational study, not testing a treatment. It may not find clear brain signals, 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

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 150 people

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

Started

Apr 2023

Expected to finish

Aug 2027

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

21 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Participants must be between the ages of 21 and 65. * Participants must be fluent English speakers. * Participants must pass an MRI safety screening. * Participants must report smoking at least six cigarettes per day continuously for at least the 12 preceding months. * Participants must have a baseline expired-air carbon monoxide exceeding 10 parts per million in order to verify smoking status. Exclusion Criteria: * Individuals will be excluded if they report that they are not willing to refrain from using nicotine for 12 hours before the experimental lab visit. * Individuals will be excluded if they have any known risk from exposure to high-field strength magnetic fields (e.g., pacemakers), any irremovable metallic foreign objects in their body (e.g., braces), or a questionable history of metallic fragments that are likely to create artifact on the MRI scans.

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Conditions

The condition(s) this trial relates to.

nicotine dependence Smoking Tobacco Use

As listed by the trial registrant

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

Smoking Tobacco use

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

  • The Pennsylvania State University

    RECRUITING

    University Park, Pennsylvania, 16870, United States

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