Scientists scan brains of people with depression and bipolar disorder to spot key differences

NCT ID NCT03898297

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study used brain scans to look at two things in people with depression or bipolar disorder: a glutamate receptor called mGluR5 and the density of connections between brain cells (synapses). Researchers compared 120 participants, including healthy volunteers, using PET and MRI scans. The goal was to better understand how these brain features differ in mood disorders, which could guide future treatments.

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Conditions

The condition(s) this trial relates to.

bipolar disorder Depression major depressive disorder mood disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Yale University PET Center

    New Haven, Connecticut, 06519, United States