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New trial aims to help homeless smokers kick the habit for good

NCT ID NCT07148232

Disease control Sponsor: University of California, San Francisco 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether nicotine replacement therapy (patches, gum, or lozenges) plus wellness coaching over the phone can help people experiencing homelessness quit smoking. Researchers will enroll 150 adults in San Francisco and Los Angeles who smoke at least 5 cigarettes a day. The main goals are to see if participants stick with the program and if they can stay smoke-free for 6 months.

What this could mean

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

Active substance
Nicotine replacement therapy (patch, gum, or lozenge) and wellness coaching
What this could lead to
If successful, this could provide an effective, scalable way to help people experiencing homelessness quit smoking and improve their health.
What could go wrong
This is a relatively small trial (150 people) focused on feasibility and short-term abstinence. Long-term success and broader applicability are uncertain.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 150 people

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

Started

Nov 2025

Expected to finish

Jun 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

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: 1. Age 18 years or older 2. Able to understand study procedures and to comply with them for the entire length of the study. 3. Ability of individual to understand a written informed consent document, and the willingness to sign it. 4. Staying at the recruitment site and meeting criteria for homelessness as defined by the Homeless Emergency and Rapid Transition to Housing Act. 5. Current smoking (smoking at least 5 cigarettes per day (cpd), verified via expired carbon monoxide (CO) \>= 8 ppm using Micro+pro Smokerlyzer). 6. Having an intention to quit smoking within the next six months. 7. English speaking. Exclusion Criteria: 1. Contraindication to any study-related procedure or assessment. 2. Reasons that preclude the use of nicotine replacement therapy (NRT) (e.g., pregnancy or myocardial infarction in the past two weeks).

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Conditions

The condition(s) this trial relates to.

nicotine dependence Tobacco Use Tobacco Use Cessation

As listed by the trial registrant

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

Tobacco abstinence Tobacco cessation Tobacco dependence Tobacco use Tobacco use 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

  • University of California, San Francisco

    RECRUITING

    San Francisco, California, 94143, United States

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