Sound waves to the brain: a new hope for mood disorders?

NCT ID NCT05228964

Completed Symptom relief Sponsor: University of Texas at Austin Source: ClinicalTrials.gov ↗

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

Summary

This study tested whether low-intensity focused ultrasound, aimed at the amygdala (a brain area linked to emotions), could reduce symptoms of depression, anxiety, bipolar disorder, and PTSD. Twenty-nine adults received daily 10-minute sessions for three weeks. Researchers measured changes in mood and brain activity using questionnaires and MRI scans.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: low-intensity focused ultrasound
What this could lead to: If it works, this could point toward a non-invasive, drug-free way to improve mood and anxiety symptoms by calming a key brain region.
What could go wrong: This was a small, early-stage trial with no placebo group, so results may be due to expectation or natural recovery. Long-term safety and effectiveness are not yet known.

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.

anxiety disorder bipolar depression bipolar disorder Depression depressive disorder major depressive disorder mood disorder post-traumatic stress disorder

As listed by the trial registrant

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

ANXIETY DISORDERS BIPOLAR DEPRESSION DEPRESSION PTSD

Contacts and locations

Locations

Health Discovery Building (HDB), 1601 Trinity St., Bldg B., Z0600

Austin, Texas, 78712, United States

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