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Tiny electric jolts to the brain: a new way to understand epilepsy?

NCT ID NCT05250713

Knowledge-focused Sponsor: Assistance Publique Hopitaux De Marseille 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at how weak electric currents applied to the scalp can change brain activity in people with drug-resistant focal epilepsy. Researchers used special brain recordings to measure spikes and connections between brain regions during and right after stimulation. The goal was to understand how these currents work, not to treat the condition. Twelve adults took part in this observational study.

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

12 people

The number who actually took part.

Started

Apr 2022

Finished

Sep 2023

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 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: 1. Provision of signed and dated informed consent form 2. Male or female, aged ≥ 18 years old 3. Focal drug-resistant epilepsy 4. Patient undergoing a clinical SEEG investigation 5. Stated willingness to comply with all study procedures and availability for the duration of the study 6. Patient affiliated or beneficiary of a health insurance plan 7. Patient for whom MRI images (3D T1) are exploitable and fit with the minimum MRI requirements needed for biophysical modelling (cf annex in 14.), prior to SEEG electrodes implantation 8. Patient for whom a CT-scan with electrodes (or MRI with electrodes) has been realized after SEEG procedure. Exclusion Criteria: 1. Difficulty to read or understand the French language, or inability to understand the information regarding the study 2. Person protected by articles L1121-5, L1121-6 and L1121-8 of Public Health Code (pregnant or breastfeeding woman, deprived of liberty by judicial decision, situations of social fragility, adults or unable to express their consent). Pregnancy will be evaluated during screening with a urine pregnancy test. 3. Presence of severe negative outcome of SEEG surgery preventing the acquisition of SEEG data (i.e. hemorragic complications, subcutaneous infection), at the time of inclusion. 4. Patient showing contraindications for electric stimulation at the time of inclusion: (A) Patient with unstable or non-controlled neuropsychiatric illness (B) Patients having cardiac or medication implants (C) Patients with implanted pacemakers (D) Patients with serious brain injury (E) Patients showing damage of skin at sites of stimulation 5. Any condition that, according to the investigator, is not compatible with carrying out the study

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Conditions

The condition(s) this trial relates to.

epilepsy focal epilepsy

As listed by the trial registrant

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

Epilepsy

Contacts and locations

Locations

  • Service Epileptologie et Rythmologie Cérébrale

    Marseille, 13005, France

More trials for these conditions

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