Can a smartphone app help cancer survivors kick the habit?
NCT ID NCT04038255
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tested whether a smartphone app (Craving-to-Quit) or group mindfulness sessions work better for helping cancer survivors stop smoking. Participants also used nicotine patches. The trial was terminated early and only enrolled 20 people, so the results are not conclusive.
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 patches
- What this could lead to
- If successful, this could point toward a more accessible way to help cancer survivors quit smoking using a smartphone app.
- What could go wrong
- The trial was terminated early with very few participants, so results are limited. It is unclear if the app is more effective than group sessions.
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
-
20 people
The number who actually took part.
- Started
-
Sep 2019
- Finished
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May 2024
- 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
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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 Hide 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: * Be 18 years and older * Cancer survivors (based on the NCI definition - "a person is considered to be a survivor from the time of diagnosis until the end of life" National Cancer Institute Dictionary of Cancer Terms, 2014) * Cancer patients currently in active treatment * Have smoked ≥ 5 cigarettes/day in the past year * Be interested in making a quit attempt in the next 30 days * Own a smartphone (apple/android) * Read/speak English * Able to consent * Have no plans to move in the next 3 months * Are not pregnant or planning to be pregnant in the following 3 months Exclusion Criteria: * Have contraindication to NRT (past month myocardial infarction, history of serious arrhythmias/or unstable angina pectoris, dermatological disorder) * Are currently being treated for a psychiatric condition * Are currently being treated for smoking cessation, alcoholism, or illicit drug use * Are adults unable to consent * Are individuals who are not yet adults * Are pregnant women * Are prisoners
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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St. Jude Children's Research Hospital
Memphis, Tennessee, 38105, United States
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University of Miami
Miami, Florida, 33136, United States
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