Neural Stimulation for Parkinson's Disease

This trial explores brain activity in people with Parkinson's disease, focusing on behaviors like risk-taking and reward-seeking. Researchers use neural stimulation, which involves electrical impulses to stimulate specific brain areas, and recordings during scheduled deep brain stimulation surgery to better understand these nonmotor symptoms. Participants should plan to have this surgery at Vanderbilt University Medical Center and be able to participate in testing during the procedure. This study targets individuals diagnosed with Parkinson's disease or another movement disorder who can follow instructions during surgery. As an unphased trial, it offers a unique opportunity to contribute to groundbreaking research on Parkinson's disease.

The trial information does not specify whether you need to stop taking your current medications. It's best to discuss this with the trial coordinators or your doctor.

Studies have shown that deep brain stimulation (DBS), a type of brain treatment, is generally safe for people with Parkinson's disease. Research indicates that DBS can reduce the need for Parkinson's medications, potentially lowering the side effects from those drugs. One study focused on older patients found that DBS is both safe and effective. Another study reported that 51% of people who received DBS were still alive after 10 years, suggesting it offers lasting benefits. Overall, DBS appears to be well-tolerated, even over a long period.¹²³⁴⁵

Neural stimulation is unique because it directly targets the brain's electrical activity to help manage Parkinson's disease symptoms. Unlike traditional treatments like levodopa or dopamine agonists, which work by increasing dopamine levels in the brain, neural stimulation influences the brain's neural circuits directly and non-invasively. Researchers are excited because this method could offer more precise symptom control without the side effects commonly associated with medications. Plus, neurophysiology recordings during the process could provide valuable insights into the brain's functioning, paving the way for even more personalized and effective treatments in the future.

Research has shown that deep brain stimulation (DBS) can improve movement problems in people with Parkinson's disease. One study found that participants experienced significantly better movement abilities one year after receiving DBS, with benefits lasting up to five years. Another study found that DBS can reduce the need for Parkinson's medication and enhance quality of life. DBS targeting the subthalamic nucleus is a well-established treatment for advanced Parkinson's disease, helping improve daily experiences. Although DBS does not halt disease progression, it effectively manages symptoms. Participants in this trial will receive neural recordings and stimulation, which may offer similar benefits.²⁶⁷⁸⁹