Home › Parkinson's Disease › NCT05307055

Evaluation of Neurocognitive Changes in Parkinson's Disease After Low Frequency Burst Stimulation

Theta Burst Subthalamic Nucleus Deep Brain Stimulation for Cognitive and Motor Improvements in Parkinson's Disease

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

1. Male or female patients who had previously undergone bilateral STN deep brain stimulation implantation
2. Age \>18 years old
3. Stable medication regimen for at least 3 months.
4. Patient informed and able to give written consent
5. Able to comply with all testing, follow-ups and study appointments and protocols

Exclusion Criteria:

1. History of epilepsy or seizure
2. History of dementia
3. History of major substance abuse

About the study

This study aims to determine whether direct brain stimulation of specific regions and ranges improves cognition in people with Parkinsons Disease (PD) who already have a deep brain stimulator implanted. Research activities consist of 32 subjects undergoing stimulation changes to their device and being administered neurocognitive tests to evaluate the changes. An fMRI scan will also be done at baseline and at weeks 15 and 27.

All subjects will undergo the stimulation changes in a randomized double blind crossover study. Evaluation of stimulation changes will be assessed through analysis of neurocognitive data.

What is being tested

• STN DBS - Theta Burst (device)
• STN DBS - Gamma (device)

Sponsor: University of Southern California · Participants: 40 · Started: Jan 11, 2022

Contact the study team

• Darrin Lee, MD PhD · Phone: 9495220866
• Wooseong Choi, BS · Phone: 8474017335

Official record on ClinicalTrials.gov — NCT05307055

Locations in the U.S.

Conditions

• Parkinson's Disease

From ClinicalTrials.gov, data retrieved Oct 1, 2026. Each study sets its own eligibility; the study team decides who can join.