Can a smartphone app boost mental wellbeing in vulnerable populations?
NCT ID NCT07697807
First seen Jul 13, 2026 · Last updated Jul 14, 2026 · Updated 1 time
Summary
This trial investigates whether adding personalized micro-interventions and social prescribing to basic mental health education can improve wellbeing in people facing socioeconomic hardship. Participants in disadvantaged areas of France use a digital support system called Moodbuster, which offers tailored content to build resilience and social connections. The study compares different combinations of these tools to see which approach works best for groups often left out of mental health research.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Moodbuster mobile application (digital support system with personalized micro-interventions and social prescribing)
- What this could lead to
- If successful, this could point toward scalable, low-cost digital strategies to boost mental health in underserved communities.
- What could go wrong
- This is an early-stage trial with a modest sample size, and results may not generalize to all vulnerable groups. The digital approach may not engage participants effectively.
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.
- Participants
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About 256 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Oct 2027
An estimate. End dates often move.
- 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.
Who is studied
Resident of disadvantaged areas within the Val-de-Marne department, defined for this study as municipalities with the highest percentage of households living below the poverty line (more than 20% of households, according to INSEE data).
- Ages
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18 years and older
- 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: * Mental well-being status: Classified on the MHC-SF as either "Languishing" or "Moderately Mentally Healthy." * Age: Must be 18 years of age or older. * Location: Resident of disadvantaged areas within the Val-de-Marne department, defined for this study as municipalities with the highest percentage of households living below the poverty line (more than 20% of households, according to INSEE data). * Skills: Must demonstrate a sufficient level of linguistic and cognitive understanding to communicate with the research team and complete the pre-screening process. * Resources: Must have access to a smartphone with an internet connection for the duration of participation in the study. Exclusion Criteria: * Severe mental illness: Self-report screen: "Do you currently have any of the following mental disorders diagnosed by a psychologist, psychiatrist, or other mental health professional?" (checklist includes schizophrenia, bipolar, psychosis, severe depression with hospitalisation). * Mental Health treatment: Self-report screen: "Do you currently receive psychological treatment for a mental disorder?" "Have you started taking prescribed medication for psychological or psychiatric problems (e.g., anxiety, depression, sleep problems) within the past four weeks?" (yes/no) * Inability to commit to engagement: Self-report screen: "Are you able and willing to use the digital tool weekly for the next 6 weeks and complete 4 surveys?" * Insufficient language comprehension: Basic comprehension check. Part of (electronic or in-person) consent procedure: prospect can read and understand the study information.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
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