Sound waves to the brain: a new hope for mood disorders?
NCT ID NCT05228964
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.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
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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29 people
The number who actually took part.
- Started
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Jan 2022
- Finished
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Apr 2026
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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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Accepted
You do not need to have the condition being studied to take part.
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: * Adults ages 18-65 * Willing and able to undergo the MRI and LIFUP procedures and repeated LIFUP for up to 15 sessions * English language proficiency sufficient to speak to investigators and understand investigator instruction * Can visit the laboratory several times over the course of 2 to 6 weeks * Individuals with a primary affective disorder diagnosis (major depression, bipolar disorder, an anxiety disorder, or posttraumatic stress disorder on the Structured Clinical Interview for the Diagnostic and Statistical Manual of Mental Disorders Diagnosis 5th Edition * Score of 19 or greater on the general distress subscale of the 30-item Mood and Anxiety Symptom Questionnaire * Psychiatric medication(s) on a stable dosage and regimen for the past 3 months (including antidepressants, mood stabilizers, atypical antipsychotics, and sedatives/hypnotics) Exclusion Criteria: * Contraindications to LIFUP or MRI including, but not limited to, history of stroke, brain tumors, brain hemorrhages, internal wires, electrodes, pacemakers, implants, irremovable ferromagnetic objects in head that are unsafe for MRI and/or cause large distortions in imaging data, history of seizures (except febrile seizures in childhood), brain surgery, moderate-to-severe head injury or any penetrating head injury, and uncontrolled thyroid disorder. * Pregnant women or people trying to become pregnant will also be excluded due to the unknown effects of MRI on developing fetuses * Individuals with serious medical illnesses that are likely to interfere with study: cancer, autism, narcolepsy etc. * Current active suicidal/homicidal ideation (or suicide attempt in the past 3 months) * Current substance-use disorder * Current or recent (within 3 months) psychotic symptoms, or currently meeting diagnostic criteria for a manic episode * Individuals currently actively engaged in evidence-based or experimental treatments (e.g., weekly cognitive behavioral psychotherapies, transcranial magnetic stimulation, ketamine/esketamine treatment) other than psychiatric medication(s)
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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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Health Discovery Building (HDB), 1601 Trinity St., Bldg B., Z0600
Austin, Texas, 78712, United States
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