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New app aims to curb smoking urges with Real-Time personalized messages

NCT ID NCT07585357

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 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Updated 3 times

Summary

This study tests a smartphone app that sends personalized messages to help people quit smoking. The messages are triggered by real-time data like location and stress levels, offering coping strategies when urges strike. Seven participants will use the app for 45 days to see if it reduces smoking urges and is easy to use.

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 intervention messages
What this could lead to
If it works, this could lead to a more effective, personalized app for quitting smoking that adapts to users' needs in real time.
What could go wrong
This is a very small early-stage study with only 7 people, focused on usability and feasibility. The app may not reduce smoking urges or help people quit in larger trials.

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

9 people

The number who actually took part.

Started

Jul 2026

Finished

Sep 2026

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 40 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: * live in the U.S.; * are between 18 and 40 years of age; * own a smartphone with iOS and Android operating system and GPS capabilities; * are carrying smartphone every day; * are willing to participate in the study for 44 days and give the research team access to the phone GPS data; * have smoked ≥100 cigarettes in the participant's life and currently smoke at least 3 cigarettes per day on 5 or more days of the week; * are planning to quit smoking within the next 30 days. Exclusion Criteria: * None

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Conditions

The condition(s) this trial relates to.

nicotine dependence Smoking Cessation

As listed by the trial registrant

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

Smoking cessation

Contacts and locations

Locations

  • Johns Hopkins Bloomberg School of Public Health

    Baltimore, Maryland, 21205, United States

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