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Hair-Thin electrodes tested to Fine-Tune brain stimulation

NCT ID NCT07820189

Symptom relief Sponsor: Lund University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 15, 2026 · Last updated Sep 16, 2026 · Updated 1 time

Summary

Researchers at Lund University are testing a new way to deliver deep brain stimulation using a cluster of very thin, flexible microelectrodes. The study includes up to 12 adults with Parkinson's disease or essential tremor who are already scheduled for standard deep brain stimulation surgery. During the procedure, the microelectrodes are temporarily inserted to test different stimulation sites and intensities, and researchers record any changes in symptoms or side effects. The goal is to see if this approach can provide strong symptom relief with fewer unwanted effects and help guide the placement of the permanent electrode.

What this could mean

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

Active substance
High Definition Brain Stimulation, a technique using a cluster of thin, flexible microelectrodes inserted into the brain to deliver precise electrical stimulation
What this could lead to
If it works, this approach could give doctors a way to fine-tune brain stimulation for Parkinson's disease and essential tremor, potentially easing symptoms with fewer side effects than standard deep brain stimulation.
What could go wrong
This is a first-in-human feasibility study with only 12 participants, so it cannot prove the treatment works or is safe for everyone. The microelectrodes are removed after testing, and any benefits are only during the short evaluation.

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 12 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

Mar 2030

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

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: * The target population for the clinical device to be investigated are adult patients with Parkinson's disease or essential tremor that are already scheduled for permanent implantation of devices for deep brain stimulation. This implies that these patients are an already selected group of patients deemed to be appropriate patients for DBS. * Patients that are fully capable of understanding the patient information. * Patients that accept to be awake during the investigation * Patients that accept to be video-filmed during the investigation. Exclusion Criteria: * Patients that do not accept to be awake during the stimulation procedure. * Patients for which the intended extension of surgery time (up to 2,5 hours) is considered by the neurosurgeon to be an unacceptable risk. * Patients with a known history of blood clotting disorder. * Patients with a known history of bleeding disorder. * Patients under age 18. * Pregnant women and women that are breast feeding.

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Conditions

The condition(s) this trial relates to.

essential tremor Parkinson disease

As listed by the trial registrant

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

Essential tremor Parkinsons disease (PD)

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

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Contacts and locations

Locations

  • Skane University Hospital

    Lund, Skåne County, SE-12185, Sweden

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