Massive french trial tests App-Based suicide prevention
NCT ID NCT03565562
First seen Feb 19, 2026 · Last updated Jun 20, 2026 · Updated 15 times
Summary
This study tested whether promoting a free web and mobile tool called StopBlues could reduce suicide and psychological distress in the general population. Over 100,000 adults in France took part. Local authorities either promoted the tool, promoted it with help from doctors, or did nothing. Researchers tracked suicides and suicide attempts over 9 to 24 months.
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Faculté de Médecine Paris Diderot Paris 7
Paris, 75010, France
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
StopBlues e-health tool (website and app) promoted by local authorities and GPs
What this could lead to
If it works, this could provide a scalable, low-cost way to prevent suicide and psychological distress in communities.
What could go wrong
This is a large but early-stage trial; the intervention is just promotion of a tool, not a direct treatment. Results may vary by region and adherence.
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.