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Brain implant study aims to decode Parkinson's mental symptoms

NCT ID NCT07633379

Knowledge-focused Sponsor: King's College London 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at brain activity recorded from deep brain stimulation (DBS) devices in 20 people with Parkinson's disease. Researchers want to see if certain brain signals are linked to symptoms like sudden anxiety, impulse control problems, and hallucinations. Participants will use a special marker on their DBS device to log when symptoms happen over about 4 months. The goal is to better understand these symptoms and possibly improve future treatments.

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.

Participants

About 20 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Feb 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.

Who is studied

Adults with Parkinson's disease and co-occurring neuropsychiatric symptoms, including hallucinations, impulse control disorder, or episodic anxiety, who previously underwent bilateral Deep Brain Stimulation implantation with a Medtronic Percept device as part of routine clinical care at King's College Hospital or affiliated services.

Ages

18 to 75 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: * Age ≥ 18 years * A diagnosis of Parkinson's Disease * A diagnosis of hallucinations, impulse control disorder, or panic disorder (episodic anxiety) * Previous bilateral DBS implantation with a Medtronic Percept device as part of clinical care Exclusion Criteria: * Non-English speakers * \<18 years old or \>75 years old * A history of concurrent conditions that could significantly confound the study results, such as other significant neurological condition (e.g., brain injury/infection, substance abuse) or concurrent severe psychiatric condition (e.g., schizophrenia) * Moderate/severe Intellectual Disability or inability to understand study procedures * Lack of capacity to consent to the study * Currently involvement in other studies

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Conditions

The condition(s) this trial relates to.

impulse control disorder panic disorder Parkinson disease

As listed by the trial registrant

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

Parkinson disease (disorder)

How to take part

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

  1. The places running it

    2 sites in 2 countries. 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

  • King's College London

    London, England, WC2R 2LS, United Kingdom

  • Ruijin Hospital

    Shanghai, China

More trials for these conditions

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