Parkinson Disease Clinical Trial
Official title:
Understand Freezing of Gait in Parkinson's Disease: Behavioral Physiology and Clinical Application
The overall goals of this proposed study are to investigate the behavioral and neurophysiological mechanisms of patients with Parkinson's disease (PD) experiencing freezing of gait (FoG). More specifically, we aim to determine the behavioral changes in context-dependency and changes in corticomotor excitability associated with FoG.
Status | Recruiting |
Enrollment | 70 |
Est. completion date | December 2019 |
Est. primary completion date | December 2019 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion criteria: - Individuals with Parkinson's disease - Healthy control subjects Exclusion criteria: - unable to follow the instructions - have other neurological diseases other than PD - have pacemaker implanted in their body - have a history of seizure - have a family history of epilepsy |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Factorial Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Screening
Country | Name | City | State |
---|---|---|---|
Taiwan | National Taiwan University Hospital | Taipei |
Lead Sponsor | Collaborator |
---|---|
National Taiwan University Hospital | Ministry of Science and Technology, Taiwan |
Taiwan,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | New Freezing of Gait Questionnaire (NFOG-Q) | The New Freezing of Gait Questionnaire (NFOG-Q) will be used to evaluate the freezing frequency and severity of the patients with PD. It composes of 3 parts; in the first part, a video clip will be shown to the participants with PD and help to classify whether an individual is a freezer or non-freezer. The second and third part of the questionnaire is designed for freezers only. Part?assesses the severity of FoG according to the frequency and duration of the freezing episodes, while Part?evaluates the impact of freezing on daily activities, such as walking. The reliability and internal consistency of the NFOG-Q have been well-established for patients with PD (Nieuwboer et al., 2009). | 30 mins | No |
Primary | Context-dependent behavior | A modified finger sequence task is specifically designed to evaluate context-dependent behavior for patients with PD. The participants will be instructed to put their index and middle fingers of both hands on a designated location of an enlarged key-board. The participants will first practice the three sequences for a total of 324 practice trials on the first day. Ten minutes and 24 hours after practice, to control for the medication status, the participants will be tested under the SAME and SWITCH conditions.With these 2 testing conditions, we will be able to calculate a variable called Switch Cost, which is the performance difference between the SWTICH and the SAME conditions normalized by the SAME condition [100% * (SWITCH - SAME)/SAME]. The Switch Cost will be used as an indicator of context-dependency. |
40 mins | No |
Secondary | The Unified Parkinson's Disease Rating Scale (UPDRS) | The UPDRS contains 4 sections, and PartIIIwill be used in this study to evaluate the motor disturbances of patients with PD. Excellent internal consistency and validity has been established for UPDRS (Goetz et al., 2008). | 30 mins | No |
Secondary | Montreal Cognitive Assessment (MoCA) | The MoCA evaluates several cognitive domains, including visuospatial processing, naming, short-term memory, digit forward and backward span, verbal fluency, abstract concept, counting, and orientation. The MoCA has been found to be a valid and reliable tool to screen for cognitive dysfunctions in patients with PD (Gill, Freshman, Blender, & Ravina, 2008). | 10 mins | No |
Secondary | The Stroop Color-Word test | The Stroop Color-Word test involves congruent and incongruent conditions.The goal of the participants is to read out the ink color of the word, but not the color word name itself, as accurately and as soon as possible (Dubois et al., 2007; Ridley, Johnson, & Braisted, 1978). | 5 mins | No |
Secondary | 10-Meter Walk Test (10MWT) | 10MWT assesses the walking ability of the participants. The participants will be instructed to walk in their comfortable walking speed and their fastest walking speed for 10 meters. Gait speed, stride length, and cadence will be calculated. | 5 mins | No |
Secondary | The Timed Up and Go (TUG) test | The TUG evaluates the balance ability of the participants. The participants will be seated on a comfortable chair with hip and knee flexed at 90 Upon a 'Go' signal, the participants will stand up from the chair, walk 3 meters, turn around, and sit back down to the chair. The time to complete the procedure will be measured. | 5 mins | No |
Secondary | The Parkinson's Disease Questionnaire(PDQ-39) | The PDQ-39 specifically assess quality of life in patients with PD. PDQ-39 contains 39 questions embedded in 8 different domains. PDQ-39 has now become the most widely accepted and reliable measure to determine the overall health status for patients with PD (Jenkinson, Peto, Fitzpatrick, Greenhall, & Hyman, 1995). | 10 mins | No |
Secondary | Transcranial magnetic stimulation | To compare the neurophysiological characteristics of PD patients with FoG, PD patients without FoG, and non-disabled adults, a TMS device (The Magstim Company Ltd, Whitland, UK) will be used. TMS outcomes will include resting motor threshold (RMT), motor evoked potentials (MEPs), cortical silent period (CSP), short-interval intracortical inhibition (SICI), long-interval intracortical inhibition (LICI), and intracortical facilitation (ICF). | 45 mins | No |
Secondary | Electroencephalogram (EEG) | While performing the modified finger sequence task, the electroencephalogram (EEG) will be used to monitor and record brain activity. Comparisons will be made between the first block of practice, last block of practice, and the two testing conditions. | 40 mins | No |
Secondary | The short FoG and festination assessment score | The short FoG and festination assessment score, developed by Ziegler and colleagues (2010), will be used to clinically assess freezing and festination episodes over a short time course. The participants will initially sit on a chair for 30 seconds, then they will be instructed to stand up and walk to a floor mark with 40 radius and make 360 turn clockwise and counter-clockwise. Then, the participants will walk through a door, turn around and walk back to the chair. The participants will be required to walk in a fast but safe speed. This evaluation approach has been demonstrated to be feasible and reliable for assessing the severity of freezing and festination. | 20 mins | No |
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