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Zap to talk: brain stimulation tried for aphasia after stroke

NCT ID NCT02101398

Symptom relief Sponsor: Institut National de la Santé Et de la Recherche Médicale, France 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
The trial has finished. Results may not be published yet.
Stopped early This study
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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tested whether a gentle electrical current applied to the scalp (tDCS) during speech therapy could help stroke survivors with aphasia name objects better. Only 5 people took part, and the study was stopped early, so the results are not reliable enough to draw conclusions.

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 had succeeded, this could point toward a way to boost speech therapy for people with aphasia after a stroke.
What could go wrong
The study was very small (only 5 participants) and was terminated early, so we cannot draw reliable conclusions. It also only included French-speaking, right-handed patients, so results may not apply to others.

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

5 people

The number who actually took part.

Started

Oct 2014

Finished

Jul 2016

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

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: * man or woman of 18 years and older * aphasic patient following a first left hemispheric stroke * BDAE 3.0 aphasia score \> or = to 1 * stroke within 3 to 12 months before inclusion in the study * mother tongue = French * right handedness * signed informed consent Exclusion Criteria: * history of other neurologic pathologies * epileptic seizure within 2 months before inclusion * dementia * bilingual patient (2 mother tongues) * history of cranial surgery * presence of intracerebral metallic material * unauthorized molecules at inclusion : sulpiride, rivastigmine, dextromethorphan, carbamazepine, flunarizine, levodopa * pregnant, parturient or lactating woman

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Conditions

The condition(s) this trial relates to.

aphasia stroke disorder

As listed by the trial registrant

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

Aphasia Stroke

Contacts and locations

Locations

  • Hôpital Raymond Poincaré

    Garches, 92380, France

More trials for these conditions

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