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Can your phone help you quit smoking? new study tests Text-Based coaching

NCT ID NCT05836103

Symptom relief Sponsor: Johns Hopkins Bloomberg School of Public Health 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 smartphone messages using cognitive behavioral therapy (CBT) or mindfulness techniques can help young adults (ages 18-30) quit smoking. Participants receive messages tailored to high-risk situations like stress or being around other smokers. The goal is to see if these messages reduce smoking urges and cigarettes smoked over six months.

What this could mean

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

Active substance
smartphone-based behavioral messages (CBT and mindfulness/ACT)
What this could lead to
If it works, this could provide an effective, low-cost tool to help young adults quit smoking by delivering real-time coping strategies.
What could go wrong
This is a relatively small, early-stage trial (160 participants) testing short-term effects, so results may not apply broadly or lead to lasting quit rates.

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 160 people

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

Started

Oct 2024

Expected to finish

Nov 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 to 30 years

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. live in the U.S. 2. read English; 3. are between 18 and 30 years of age; 4. own an iPhone or Android smartphone; 5. have smoked ≥100 cigarettes in their lives and currently smoke at least 3 cigarettes per day on 5 or more days of the week; 6. are planning to quit smoking within the next 30 days. Exclusion Criteria: * None

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As listed by the trial registrant

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

Tobacco cigarette smoking

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

  • Johns Hopkins Bloomberg School of Public Health

    RECRUITING

    Baltimore, Maryland, 21205, United States