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Could a gentle brain zap ease neck dystonia?

NCT ID NCT07014384

Knowledge-focused 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether a gentle, non-invasive brain stimulation technique called tDCS, applied over the cerebellum, can change brain activity and reduce symptoms in people with cervical dystonia (neck muscle spasms). Fifteen participants received real and sham (fake) stimulation in separate sessions. The goal was to understand how the brain's sensorimotor network responds, not to prove a treatment works.

What this could mean

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

Active substance
cerebellar transcranial direct current stimulation (tDCS)
What this could lead to
If this approach shows changes in brain activity, it could point toward a new, non-invasive way to help manage cervical dystonia symptoms.
What could go wrong
This is a very small, early-stage study (15 people) that mainly looks at brain signals, not symptom relief. The results may not lead to a practical treatment.

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

15 people

The number who actually took part.

Started

Sep 2024

Finished

Jan 2026

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 isolated cervical dystonia * Written informed consent by the patient Exclusion Criteria: * History of other neurological disorders other than CD * Secondary dystonia * Severe head tremor * Intake of centrally acting medication * Contraindications to TMS, such as metallic implants, pregnancy and history of seizures

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Conditions

The condition(s) this trial relates to.

cervical dystonia

As listed by the trial registrant

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

Isolated cervical dystonia

Contacts and locations

Locations

  • Department of Neurology, University Medical Center Hamburg-Eppendorf

    Hamburg, Germany

More trials for these conditions

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