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Could a Head-Zap device lift depression without drugs?

NCT ID NCT05539131

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study tested whether a device called transcranial direct current stimulation (tDCS) can help people with mild to moderate depression. The device sends a tiny electrical current through the scalp to regulate brain activity. Researchers enrolled 198 adults and measured changes in depression symptoms using standard questionnaires. The goal was to see if tDCS works in real-world clinics and could eventually be used at home.

What this could mean

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

Active substance
transcranial direct current stimulation (tDCS) device
What this could lead to
If it works, this could offer a non-drug, at-home option to help ease depression symptoms.
What could go wrong
This is a completed demonstration study, not a large late-phase trial. The results may not apply to everyone, and the device may not work for all types of depression.

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

198 people

The number who actually took part.

Started

Nov 2022

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

19 to 65 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: * Male and Female aged 19 to 65 with mild and moderate Major depressive disorder (MDD) Exclusion Criteria: * Those diagnosed with Post-traumatic stress disorder (PTSD), Obsessive compulsive disorder (OCD), bipolar or psychotic major depressive disorder, high suicide risk, Electroencephalography (EEG) and DC stimulation electrode attachment problems (such as scalp deformity, inflammatory response or other dermatological problems), Transcranial direct current stimulation (tDCS) medical device taboos (such as head metal plate insertion), clinical trials that have been inadequate for clinical trials

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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

  • Catholic Kwandong University International St. Mary'S Hospital

    Incheon, Gyeonggi-do, 22711, South Korea

  • Hallym Univsity Chuncheon Sacred Heart Hospital

    Chuncheon, Gangwon-do, 24253, South Korea

  • Myongji Hospital

    Goyang-si, Gyeonggi-do, 10475, South Korea

  • National Health Insurance Service Ilsanhospital

    Goyang-si, Gyeonggi-do, 10444, South Korea

  • Yongin Severance Hospital, Yonsei University College of Medicine

    Yongin, Gyeonggi-do, 16995, South Korea

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