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New app could nudge reluctant smokers toward quitting

NCT ID NCT05799625

Symptom relief Sponsor: Ottawa Heart Institute Research Corporation 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a smartphone app designed to motivate smokers who are not interested in quitting within the next 30 days. Over 14 days, the app provides counseling, education, reminders, and gamification to help users become more ready to quit. Researchers will track changes in readiness, quit attempts, and actual smoking cessation in 382 participants from Ontario.

What this could mean

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

Active substance
StepOne Smartphone Application (behavioral intervention)
What this could lead to
If it works, this could provide a scalable, low-cost tool to help smokers move toward quitting, potentially reducing smoking rates.
What could go wrong
This is a relatively small, single-region trial with subjective outcomes. The app may not lead to actual quitting, and results may not apply to other populations.

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

382 people

The number who actually took part.

Started

Mar 2024

Expected to finish

Dec 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 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: * 18 years of age or older. * Living in Ontario, Canada. * Current smoker who indicates they are not interested in quitting within the next 30-days. * Have access to and regularly use a smartphone with internet access. * Read, write, speaks English or French. * Available and willing to participate in follow-up assessments over the next 6 months. * Able to provide consent. Exclusion Criteria: * Planning on quitting smoking within the next 30-days. * Cognitively impaired or experiencing acute psychiatric illness that would alter their ability to participate. * Institutionalized at a retirement home, nursing home or long-term care facility. * Has morbid illness which will prevent completion of 6-month follow-up (e.g., receiving palliative care). * Participating in another smoking cessation program

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Conditions

The condition(s) this trial relates to.

Smoking Smoking Cessation

As listed by the trial registrant

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

Smoking behaviors Smoking cessation

Contacts and locations

Locations

  • The University of Ottawa Heart Institute

    Ottawa, Ontario, K1Y4W7, Canada

More trials for these conditions

Other studies related to the condition(s) this trial covers.