Can new brain stimulation patterns quiet stubborn tremors?
NCT ID NCT03811405
First seen Sep 03, 2026 · Last updated Sep 04, 2026 · Updated 1 time
Summary
This study tests whether changing the way deep brain stimulation is delivered can improve tremor control in people with essential tremor who don't get enough relief from their current settings. Researchers will use computer models and brain scans to see how the new stimulation patterns affect nerve fibers, and they will measure tremor severity with a standard rating scale. The goal is to find a way to help the roughly 20% of patients whose tremors worsen over time despite treatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Deep brain stimulation with active biphasic pulse settings
- What this could lead to
- If successful, this could offer a way to improve tremor control for essential tremor patients who don't respond well to standard deep brain stimulation.
- What could go wrong
- This is a small early-stage study, so results may not apply to everyone. The new stimulation patterns might not work better than current settings or could cause side effects.
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
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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
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12 people
The number who actually took part.
- Started
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Apr 2021
- Finished
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Jun 2025
- Lead sponsor
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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
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Existing unilateral or bilateral VIN DBS for ET, non-demented (MMSE\>24), and must have a documented suboptimal tremor suppression on two successive visits (compared to the baseline post-operative improvement at 6 months following ET DBS surgery). For bilateral cases, the most affected tremor side will be studied. Exclusion Criteria: * No diagnosis of Essential Tremor
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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McKnight Brain Institute--Fixel Center for Neurological Diseases
Gainesville, Florida, 32611, United States
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UF Health at the University of Florida
Gainesville, Florida, 32610, United States
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