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New brain sensor aims to stop seizures in Drug-Resistant epilepsy

NCT ID NCT07656857

Disease control Sponsor: Beijing Tiantan Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 Aug 14, 2026 · Updated 5 times

Summary

This study tests a high-density flexible brain sensor (ECoG) used during surgery to help surgeons precisely remove the area causing seizures. It includes 85 people aged 3-60 with drug-resistant focal epilepsy. The goal is to see if this tool leads to better seizure control after surgery.

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

About 85 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Dec 2028

An estimate. End dates often move.

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

3 to 60 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: 1. Age 3 to 60 years. 2. Diagnosis of drug-resistant epilepsy, defined as persistent seizures despite treatment with two or more appropriately selected, adequately dosed and adequately tried antiseizure medications. 3. Diagnosis of focal epilepsy after standard presurgical evaluation and considered suitable for resective epilepsy surgery. 4. Preoperative cognitive or developmental status sufficient to participate in study assessments, as judged by the investigator and assessed using age-appropriate validated instruments. For participants aged 3 to 6 years, developmental status must be within the normal range according to the Griffiths Mental Development Scales. For participants aged 6 to 16 years, cognitive function must be within the normal range according to the Wechsler Intelligence Scale for Children. For participants older than 16 years, a Mini-Mental State Examination score of 24 or higher will be required. 5. Written informed consent provided by the participant or, when applicable, by a legal guardian. Exclusion Criteria: 1. Suspected mesial temporal lobe epilepsy after multidisciplinary presurgical evaluation. 2. History of any previous neurosurgical craniotomy before epilepsy surgery. 3. Severe psychiatric, cognitive, or psychological disorder that prevents participation in the study or completion of follow-up. 4. Contraindication to surgery.

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Conditions

The condition(s) this trial relates to.

focal epilepsy

As listed by the trial registrant

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

Focal epilepsy Intraoperative monitoring

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Beijing Tiantan Hospital

    RECRUITING

    Beijing, Beijing Municipality, 100070, China

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