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New device zaps brain in sync with tremors to quiet shaking hands

NCT ID NCT06993571

Symptom relief Sponsor: Universitätsklinikum Hamburg-Eppendorf 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Sep 02, 2026 · Updated 3 times

Summary

This study tests a non-invasive device that delivers mild electrical stimulation to the cerebellum, timed precisely to each patient's hand tremor rhythm. Ten people with Parkinson's and moderate-to-severe hand tremor will receive both real and sham stimulation to see if the real treatment reduces shaking. The goal is to find a new, drug-free way to ease one of Parkinson's most stubborn symptoms.

What this could mean

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

Active substance
closed-loop transcranial alternating current stimulation (tACS) device
What this could lead to
If it works, this could point toward a drug-free, on-demand way to calm Parkinson's tremors without surgery or medication side effects.
What could go wrong
This is a very small, early feasibility study with only 10 people. The effect may be weak, temporary, or not work at all outside the lab.

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 10 people

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

Started

Apr 2025

Expected to finish

Dec 2027

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: * Clinical diagnosis of Parkinson's disease based on UK Brain Bank criteria * Patient exhibiting moderate to severe hand tremor * Provision written informed consent by the patient Exclusion Criteria: * History of other neurological disorders such as vascular malformations, ischemic or haemorrhagic stroke, cerebral neoplasia, epilepsy, or major psychiatric illness * Existence of heart pacemaker or metal implants in the body * Pregnancy

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Conditions

The condition(s) this trial relates to.

Parkinson disease Tremor

As listed by the trial registrant

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

Parkinson's disease (PD) Tremor

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

  • Universitätsklinikum Hamburg-Eppendorf

    RECRUITING

    Hamburg, Free and Hanseatic City of Hamburg, 20246, Germany

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