Clinical trial Recruiting at 1 site Interventional Ages 18 to 80

Deep Brain Stimulation for Voice Disorders in Dystonia and Tremor

Official title: Deep Brain Stimulation in Laryngeal Dystonia and Voice Tremor

Run by Massachusetts Eye and Ear Infirmary · NCT05150093 · Data updated 2026-11-12

This study is testing if deep brain stimulation can improve voice problems in people with laryngeal dystonia and essential tremor.

More Dystonia trials

Quick facts

Study typeInterventional
Ages18 Years to 80 Years
SexAll
Enrollment120 (estimated)
SponsorMassachusetts Eye and Ear Infirmary
Academic / other
Locations1 site (Boston, Massachusetts)
StatusRecruiting
StartedJune 21, 2022
Main results expectedAugust 31, 2027
Study endsAugust 31, 2027
Registry record updatedDecember 2, 2025
Trial IDNCT05150093 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18-80 with a definitive diagnosis of essential tremor or dystonia who have not responded to medical treatment.

Probably not a fit

Patients with significant hearing loss or those unable to comply with study protocols may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This project aims to explore the incidence of voice disorders in patients with laryngeal dystonia and essential tremor who are undergoing deep brain stimulation (DBS). It will investigate the neuroimaging and neurophysiological correlates of voice dysfunction and assess the effects of DBS on voice function. By utilizing both invasive and non-invasive neuroscience techniques, the study seeks to enhance understanding of how voice control is affected in these patients and to develop targeted strategies for treating voice dysfunction through closed-loop brain stimulation.

Why it matters

Potential benefit: If successful, this study could lead to improved voice function and communication abilities for patients suffering from neurological voice disorders.

How similar studies have gone: While deep brain stimulation has been effective for limb symptoms in similar conditions, the specific focus on voice dysfunction is relatively novel and has not been extensively studied.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion

1. Clinical indications to proceed with DBS implantation, as determined by the clinical multidisciplinary movement disorders board, including: a) definitive diagnosis of essential tremor or dystonia, b) medically refractory disease, c) adequate performance on neuropsychological evaluation as determined by a licensed clinical neuropsychologist.
2. The ability to comply with test directions, complete pre-operative task training, and provide informed consent.
3. Age 18-80 years.

Exclusion

1\. Inability to understand or perform the task outlined in the protocol during a pre-surgery training session. 2. Significant hearing loss.

3\. Cortical venous anatomy that could potentially obstruct ECoG electrode placement, as determined by the surgeon, visualized on pre-op MRI or during surgery.

Where it's running

  • Massachusetts General Hospital, University of California San Francisco, University of Utah
    Boston, Massachusetts, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.