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Zapping the brain to restore speech after stroke

NCT ID NCT07347327

Symptom relief Sponsor: Ke Dong, MD Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 brain stimulation technique called tACS, combined with speech training, can improve the ability to repeat words in people who had a stroke. 28 adults with aphasia received either real or fake stimulation for 20 minutes daily over 10 days. Researchers measured language skills and brain activity before and after treatment to see if the real stimulation helped more than the placebo.

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

28 people

The number who actually took part.

Started

Jan 2023

Finished

Dec 2025

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

30 to 80 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: * Meeting the diagnostic criteria for hemorrhagic or ischemic stroke in the Chinese Guidelines for the Prevention and Treatment of Cerebrovascular Diseases(2nd edition), with the first onset, single hemisphere stroke, and confirmed by CT or MRI,course of diease 1-6 months; * Age ranging from 30 to 80 years old; * Native language is Mandarin or Cantonese; * Right-handed; * Diagnosed with aphasia by the Western Aphasia Battery (WAB) scale; * Able to cooperate in completing the speech repetition test; * Normal hearing. Exclusion Criteria: * Currently receiving non-invasive brain stimulation treatment; * Lesions involving the Broca or STG brain regions; * History of epilepsy, mental illness,or other neurological or mental disorders; * Any contraindications for transcranial electrical stimulation.

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Conditions

The condition(s) this trial relates to.

aphasia

As listed by the trial registrant

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

Aphasia

Contacts and locations

Locations

  • Department of Rehabilitation Medicine, The First Affiliated Hospital, Sun Yat-sen University

    Guangzhou, Guangdong, China

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