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Vibrating neck device may help rare voice disorder

NCT ID NCT06111027

Symptom relief Sponsor: University of Minnesota 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 16, 2026 · Updated 2 times

Summary

This study tested a small vibrating device worn on the neck to see if it could make speaking easier for people with spasmodic dysphonia, a rare voice disorder. Forty participants used the device at home for 20 minutes a day over 8 weeks. They reported how much effort it took to speak and how their voice quality changed. The results suggest the device may reduce speaking effort, but because the study was small and had no comparison group, more research is needed to confirm the benefits.

What this could mean

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

Active substance
vibro-tactile stimulation device
What this could lead to
If it works, this could offer a non-invasive, at-home option to reduce voice strain for people with spasmodic dysphonia.
What could go wrong
This was a small, early-phase study with only 40 participants and no placebo group. The results are promising but not proof of effectiveness.

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

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

40 people

The number who actually took part.

Started

Nov 2023

Finished

Oct 2024

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 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: * Diagnosis of spasmodic dysphonia (laryngeal dystonia) for a minimum of 6 months with documented symptom relief after Botox injection. * Diagnosis is made by a voice disorder specialist. Exclusion Criteria: * Regular intake of benzodiazepines * Cognitive impairment: score \< 27 on Mini-mental state examination * Identifies with a neurological or musculoskeletal impairment affecting speech motor function. These impairments may include a form of: Dyskinesia, Dystonia, Essential Tremor, Huntington's Disease, Multiple System Atrophy, Muscle Tension Dysphonia, Parkinsonism, Progressive Supranuclear Palsy, Spasticity, Intracranial Neoplasm (brain tumor), Spinal Neoplasm, Cerebrovascular Accident (Stroke), Mild Traumatic Brain Injury, Intracranial Hemorrhage, Multiple Sclerosis

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Conditions

The condition(s) this trial relates to.

spasmodic dystonia

As listed by the trial registrant

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

Laryngeal dystonia Spasmodic dysphonia

Contacts and locations

Locations

  • University of Minnesota

    Minneapolis, Minnesota, 55414, United States

More trials for these conditions

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