Your phone could help beat depression: new app trial launches
NCT ID NCT03678194
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a smartphone app that tracks daily mood and symptoms can help doctors treat depression more effectively. 200 adults with depression will use the app for 6 weeks, while a comparison group receives standard care. The goal is to see if the app improves treatment response, medication adherence, and quality of life.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- smartphone application
- What this could lead to
- If it works, this could give doctors a simple tool to better understand and treat depression day by day.
- What could go wrong
- This is an early-stage study focused on testing the app's usefulness, not a treatment itself. It may not lead to better outcomes for everyone.
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
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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
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About 200 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2020
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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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: * Age between 18 and 65 years; * Fulfilling the Diagnostic and Statistical Manual version IV (DSM-IV) criteria of depression assessed by the Structured Clinical Interview; * Patients started their antidepressant treatment less than 5 days before inclusion; * Patient treated in an outpatient setting; * Patient informed of the diagnosis of his disease; * Informed patient with written consent. Exclusion Criteria: * A current mental or psychiatric impairment or disease (schizophrenia, bipolar disorder) that required psychotropic medication or inpatient treatment on a psychiatric ward; * A history of psychosis, including schizophrenia, bipolar I or bipolar II disorder, and major depressive disorder with psychotic features; * Cognitive deficit and not thus being able to comprehend the informed consent and study procedure; * Patients with somatic, cognitive or other disorders preventing the use of the device (deafness, impaired vision, illiteracy….); * Non-comprehension of the French language
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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 places running it
1 site. The list below names each one and where it is.
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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
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Centre Hospitalier Charles PERRENS
RECRUITINGBordeaux, 33076, France
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