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Zapping the brain to ease social anxiety: small study shows promise

NCT ID NCT07099521

Symptom relief Sponsor: South China Normal University 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tested whether a gentle, non-invasive brain stimulation technique called HD-tDCS could reduce negative thinking patterns in 74 young adults with social anxiety. Participants received 10 sessions over 5 days, targeting a brain area linked to emotion control. The goal was to see if the stimulation could shift attention, interpretation, and memory away from negative social cues.

What this could mean

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

Active substance
high-definition transcranial direct current stimulation (HD-tDCS)
What this could lead to
If effective, this could point toward a non-drug, brain-stimulation approach to help people with social anxiety think less negatively in social situations.
What could go wrong
This is a small, early-stage study (74 people) with no phase designation. The effects may be small or not last long, and the results may not apply to everyone with social anxiety.

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

74 people

The number who actually took part.

Started

May 2024

Finished

Dec 2024

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 24 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * 18 -24 years old * No history of major organic brain diseases or mental disorders, and currently not taking hormone or mental disorder drugs, with no drug or alcohol dependence; * No experience of transcranial direct current stimulation (tDCS) or transcranial magnetic stimulation (TMS) in the past six months; * Participants are willing to participate and fill out the informed consent form; * The score of the Patient Health Questionnaire (PHQ-9) is less than 5 points; * The score of the Liebowitz Social Anxiety Scale (LSAS) is greater than or equal to 55 points Exclusion Criteria: * any psychiatric disorders; * current or past diseases or injuries related to the brain; * medical pumps, pacemakers and cochlear implants in the body; * current pharmacological or mental treatments; * tDCS or TMS experiences over past year were also excluded.

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Conditions

The condition(s) this trial relates to.

social phobia

As listed by the trial registrant

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

Social anxiety disorder

Contacts and locations

Locations

  • School of Psychology, South China Normal University

    Guangzhou, China

More trials for these conditions

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