Can a smartphone app boost teen mental health?
NCT ID NCT05211713
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested a free mobile app called Opp, designed to promote mental health in teens aged 13-25. Researchers wanted to see if using the app improved well-being and reduced emotional or behavioral difficulties. Nearly 400 adolescents participated, and the app was made available to all teens in Norway.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Opp mobile app
- What this could lead to
- If it works, this could provide a free, easy-to-use mental health tool for teens to improve well-being and cope with stress.
- What could go wrong
- This is a completed study, but results may not apply to all teens. The app is not a substitute for professional help for serious mental health conditions.
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
-
399 people
The number who actually took part.
- Started
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Aug 2022
- Finished
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Nov 2023
- Lead sponsor
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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
-
13 to 25 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Adolescents under 16 years whose guardians have given consent Exclusion Criteria: * severe developmental or cognitive challenges
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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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UiT The Arctic University of Norway
Tromsø, Norway
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