Longitudinal Outcomes of DBS in PD

Status Active, not recruiting

Clinical Trial Summary

Vanderbilt University Medical Center is one of the largest-volume DBS centers in the country. From 2007 through October 2017, 265 Parkinson's disease (PD) patients underwent deep brain stimulation (DBS), 168 of those implanted in subthalamic nucleus (STN) and 97 in globus pallidus interna (GPi). Pre-operatively, each patient is extensively evaluated with a battery of validated motor, cognitive, and mood instruments. This information is stored in RedCAP, a secure online database platform. In an attempt to capture longitudinal outcomes in this population of interest, we will recruit all PD patients two years or more status post DBS who are receiving regular care at Vanderbilt University Medical Center. Study participants will undergo a condensed evaluation of motor function (Unified Parkinson's Disease Rating Scale Part III), cognitive performance (Mini-Mental Status Examination), mood (Beck Depression Inventory), and quality of life (Parkinson's Disease Questionnaire-39). These results will be compared to baseline measures performed pre-operatively, allowing for assessment of interval change. STN and GPi DBS patients will be analyzed separately.

Clinical Trial Description

Patients will be recruited from review of movement disorders neurologists' outpatient census. All patients with PD two or more years status post DBS will be contacted via phone and/or mailed letter. Any interested patient will be mailed or e-mailed (via RedCAP) a copy of the study informed consent form. Willing patients will present to the Vanderbilt Movement Disorders Clinic for an opportunity to inquire further about the study and sign the informed consent form in person. Participants will have a single study visit, ideally coordinated with their regularly scheduled neurology follow-up. During the study visit, the following evaluations will be performed by a trained research assistant: Video-recorded UPDRS III BDI MMSE PDQ-39 In addition, current PD medications and number of falls in the past 6 months will be recorded. Assessments will occur in the on-medication, on-DBS state. The video-recorded UPDRS III will be reviewed and score at a subsequent date by a blinded rater (movement discord trained neurologist). ;

Study Design

Related Conditions & MeSH terms

Parkinson Disease

Clinical Trial Details

NCT number	NCT03582163
Study type	Observational
Source	Vanderbilt University Medical Center
Contact
Status	Active, not recruiting
Phase
Start date	August 9, 2018
Completion date	December 31, 2025

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.