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Scientists zap brains to unlock anxiety secrets

NCT ID NCT07415772

Knowledge-focused Sponsor: University of Pennsylvania Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 11, 2026 · Updated 2 times

Summary

This study uses a non-invasive brain stimulation technique called TMS to temporarily change activity in a brain region linked to anxiety. Researchers will use fMRI scans to see how this affects brain connections and anxiety-related startle responses. 140 adults with anxiety will receive either real or sham TMS. The goal is to understand how TMS might work to reduce anxiety, which could lead to better treatments in the future.

What this could mean

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

Active substance
Transcranial Magnetic Stimulation (TMS)
What this could lead to
If successful, this could reveal how TMS changes brain activity related to anxiety, pointing toward more effective, non-invasive treatments.
What could go wrong
This is an early mechanistic study, not a treatment trial. It may not lead directly to a therapy, and results may not apply to all anxiety patients.

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

About 140 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Jun 2031

An estimate. End dates often move.

Lead sponsor

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

18 to 50 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Able to give their consent * Right-handed * Individuals receiving therapy for anxiety must be stable on their regimen for at least 4 weeks prior to study enrollment. Exclusion Criteria: * Non-english speaking * Any significant medical or neurological problems * Current or past non-anxiety-related psychiatric comorbidity, active or history of active suicidal ideation * Alcohol/drug problems in the past year or lifetime alcohol or drug dependence * Medications that act on the central nervous system * History of seizure * History of epilepsy * Increased risk of seizure for any reason * Pregnancy, or positive pregnancy test * Any medical condition that increases risk for fMRI or TMS * Any metal in their body which would make having an MRI scan unsafe * Any sort of medical implants * Hearing loss * Claustrophobia * orthostatic hypotension

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Conditions

The condition(s) this trial relates to.

anxiety anxiety disorder

As listed by the trial registrant

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

Anxiety

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Pennsylvania

    Philadelphia, Pennsylvania, 19104-6013, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.