Can brain recordings make DBS safer for thinking and memory?
NCT ID NCT05933681
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tracks brain activity in 160 Parkinson's patients who have or will receive deep brain stimulation (DBS). Researchers record signals from the brain during memory tasks, with the stimulator on and off, to find patterns linked to cognitive side effects. The goal is to identify biomarkers that could guide better electrode placement and programming, reducing memory and thinking problems.
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 (DBS) device
- What this could lead to
- If successful, this could help doctors adjust DBS settings to reduce memory and thinking problems in Parkinson's patients.
- What could go wrong
- This is an early-stage observational study, not a treatment trial. It may not lead to immediate changes in care, and results might not apply to all patients.
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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About 160 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2023
- Expected to finish
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May 2027
An estimate. End dates often move.
- 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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40 years and older
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: • Scheduled to undergo deep brain stimulation surgery under local anesthesia at Vanderbilt University Medical Center (Arm 1) * Active deep brain stimulation system with implantable pulse generator capable of recording local field potentials (Arm 2) * Diagnosis of Parkinson's disease as determined by a movement disorders specialist neurologist * Age at least 18 * Able to participate in intraoperative testing * English speaking Exclusion Criteria: * Age less than 18 * Not able to participate in intraoperative testing (ex unable to comprehend instructions or follow directions)
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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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Vanderbilt University Medical Center
Nashville, Tennessee, 37232, United States
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Other studies related to the condition(s) this trial covers.
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