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Veterans offered cash rewards to quit smoking before surgery in new mobile app trial

NCT ID NCT06678672

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Aug 12, 2026 · Updated 3 times

Summary

This study tests a mobile app and financial rewards to help veterans quit smoking before major elective surgery. Smoking increases the risk of complications after surgery, but quitting can be hard. The program uses a carbon monoxide monitor and app to verify abstinence, with incentives for staying smoke-free. The goal is to see if this approach is practical and engaging for veterans.

What this could mean

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

Active substance
Contingency management (behavioral intervention with financial incentives and mobile app)
What this could lead to
If successful, this could provide an effective, convenient way to help veterans quit smoking before surgery, reducing complications and improving recovery.
What could go wrong
This is a small early feasibility study with only 36 participants, so results may not apply broadly. The intervention requires daily engagement, which may be challenging for some veterans.

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 36 people

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

Started

Aug 2025

Expected to finish

Jul 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: * English-speaking; * Veteran enrolled in healthcare at SFVAHCS; * Veteran scheduled for major elective surgery within the next 6 months (including but not limited to: general, spinal, thoracic, vascular, urological, gynecological, orthopedic, gender affirming). Veterans, who are followed at SFVAHCS by Primary Care and are referred to outside institutions for major surgery (e.g., gynecological or gender-affirming surgeries) are also eligible to participate; * Current (past 30 days) cigarette smoking a minimum of 1 cigarette per day (average), assessed by Timeline Followback (TLFB); * Open to receiving smoking cessation interventions. Exclusion Criteria: Evaluated by investigative team medical record review and clinical assessment: - Psychotic disorders, bipolar disorder, neurocognitive disorder, or other psychiatric or medical conditions judged by the PI to be unstable based on medical record review and/or screening results; * Untreated, current, active problem gambling, assessed by medical record diagnosis and/ or Problem Gambling Severity Index (PGSI) score ≥ 8; * Enrollment in end of life/ palliative care; * Surgery with a clinical indication for cancer; * Unable to meet time commitment; * Currently pregnant or planning to become pregnant during the study (people of childbearing potential ages 18-55); * A suicide attempt or suicidal ideation with intent in the 30 days before enrollment; * Concurrent participation in another tobacco cessation trial.

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Conditions

The condition(s) this trial relates to.

nicotine dependence substance-related disorder

As listed by the trial registrant

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

Substance use disorder (SUD) Tobacco use disorder

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

  • San Francisco VA Health Care System

    RECRUITING

    San Francisco, California, 94121, United States

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