Sniffing out clues: smell tests may reveal brain secrets in bipolar disorder
NCT ID NCT06809881
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This completed study compared smell abilities and brain scans between 240 people with bipolar disorder and healthy volunteers. Researchers tested odor threshold, discrimination, and identification to see if smell performance differs and relates to brain structure. The goal is to better understand the condition, not to test a treatment.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If successful, this could reveal how smell relates to brain changes in bipolar disorder, pointing toward new ways to monitor the condition.
- What could go wrong
- This is an observational study, not a treatment trial. Results may not lead to direct clinical benefits or apply to all patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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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Inserm U 955 Eq 15
Créteil, VAL DE MARNE, 94000, France
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