- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05864157
Targeted Motor Learning to Improve Gait for Individuals With Parkinson Disease
April 10, 2024 updated by: University of North Carolina, Chapel Hill
The purpose of this research study is to determine how training to step with a metronome on both a treadmill, as well as overground, will influence the way that people with Parkinson disease walk.
Using metronomes is commonly used in clinics, but the investigators will be using a combination of slow and fast frequencies to alter the way that people walk.
The use of a slower frequency metronome on the treadmill is intended to help participants take larger steps.
The use of a faster frequency metronome while walking overground is intended to help participants take faster steps.This will take place over 12 training sessions.
Each session will be about an hour.
It will include some walking tests and pictures of the brain (using MRI) before and after training.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Detailed Description
Some details regarding the metronome frequency are purposely omitted at this time to preserve scientific integrity.
They will be included after the trial is complete
Study Type
Interventional
Enrollment (Estimated)
45
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Mike Lewek, PT, PhD
- Phone Number: 919-966-4041
- Email: mlewek@med.unc.edu
Study Locations
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North Carolina
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Chapel Hill, North Carolina, United States, 27599
- Recruiting
- University of North Carolina at Chapel Hill
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Contact:
- Michael Lewek, PT, PhD
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- idiopathic Parkinson's disease (Hoehn and Yahr Stage 2-3)
- self-report the ability to walk uninterrupted for 10 minutes both overground and on a treadmill without therapist assistance
- comfortable gait speed > 0.4 m/s and < 1.2 m/s
- normal (or corrected to normal [i.e., hearing aid]) hearing
- deficits in gait continuity (e.g., shuffling, shortened strides, freezing, festination, bradykinesia, etc) based on observational gait analysis
- Movement Disorders Society - Unified Parkinson Disease Rating Scale (MDS-UPDRS-III) item 10 ≥1 and <3
- be on stable doses of orally-administered levodopa
- age 50-80 years old
Exclusion Criteria:
- contraindications to MRI (e.g., metal implants, claustrophobia, etc)
- cognitive deficits (Montreal Cognitive Assessment [MoCA] < 26)
- concurrent Physical Therapy
- have undergone deep brain stimulation surgery
- cannot walk without therapist assistance
- uncontrolled cardiorespiratory/metabolic disease, or other neurological disorders or orthopedic injury that may affect gait.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Control
Participants will perform walking practice on a treadmill and overground without the use of a metronome.
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Gait training on treadmill and overground without any rhythmic auditory cues
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Experimental: Targeted Rhythmic Auditory Cueing (TRAC)
Participants will perform walking practice on a treadmill (with a metronome set to 85% of typical cadence) and overground (with a metronome set to 115% of typical cadence).
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Metronome set to 85% on treadmill and 115% when walking overground
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Experimental: Distorted Targeted Rhythmic Auditory Cueing (dTRAC)
Participants will perform walking practice on a treadmill (with a metronome set around 85% of typical cadence) and overground (with a metronome set around 115% of typical cadence).
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Metronome set around 85% on treadmill and around 115% when walking overground
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Six minute walk test (6MWT) at the 3 month follow up visit
Time Frame: Baseline, 3 month follow-up
|
The 6-minute walk test provides a more objective quantitative measure of mobility, functional performance, and symptom control.
It measures the distance an individual can walk over a total of six minutes on a hard, flat surface.
The individual can self-pace and rest as needed as they walk back and forth along a marked course.
The participant can use an assistive walking device they normally use, such as a cane.
The minimum clinically important difference in 6-minute walk distance is approximately 30 meters, a difference that is associated with mortality.
A higher change score represents a greater improvement in walking function and a better outcome.
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Baseline, 3 month follow-up
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Six minute walk test (6MWT) after 4 weeks of training
Time Frame: baseline, 4 weeks
|
The 6-minute walk test provides a more objective quantitative measure of mobility, functional performance, and symptom control.
It measures the distance an individual can walk over a total of six minutes on a hard, flat surface.
The individual can self-pace and rest as needed as they walk back and forth along a marked course.
The participant can use an assistive walking device they normally use, such as a cane.
The minimum clinically important difference in 6-minute walk distance is approximately 30 meters, a difference that is associated with mortality.
A higher change score represents a greater improvement in walking function and a better outcome.
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baseline, 4 weeks
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Walking stride length
Time Frame: up to 3 month follow-up
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The walking stride length represents the average stride length (distance between where one foot strikes the ground to the location that the same foot strikes the ground to complete the stride).
The distance is measured from walking over a pressure mat during the 6MWT.
This measurement will be completed at baseline (prior to training), after 4 weeks of training, and again for a 3 month follow-up.
A larger value represents longer steps, and a better outcome.
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up to 3 month follow-up
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Walking Cadence
Time Frame: up to 3 month follow-up
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Walking cadence is the frequency of steps per minute (inverse of step time).
The average cadence is measured from passes over a pressure mat during the 6MWT, and will be completed at baseline (prior to training), after 4 weeks of training, and again for a 3 month follow-up.
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up to 3 month follow-up
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Gait interruption index
Time Frame: up to 3 month follow-up
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The Gait Interruption Index represents the number of 'freezes' observed, divided by the number of 'freeze opportunities' (i.e., turns, times stepping on/off pressure mat) completed during the 6MWT.
A higher number represents greater impairment in Freezing of Gait.
This measurement will be completed at baseline (prior to training), after 4 weeks of training, and again for a 3 month follow-up.
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up to 3 month follow-up
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Mini BESTest (Balance Evaluation Systems Test) score
Time Frame: up to 3 month follow-up
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The mini-BESTest is a 14-item, clinical battery used to assess balance in four component areas (anticipatory transitions, postural response, sensory orientation and dynamic gait) and provides a single number summary of balance performance.
Scores range from 0 to 28 with higher scores indicate higher function.
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up to 3 month follow-up
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Freezing of Gait Questionnaire score
Time Frame: up to 3 month follow-up
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The Freezing of Gait Questionnaire assesses freezing of gait (FOG) severity unrelated to falls in patients with Parkinson disease (PD), FOG frequency, disturbances in gait, and relationship to clinical features conceptually associated with gait and motor aspects.
The total score ranges from 0-24, with higher scores representing greater severity of FOG symptoms.
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up to 3 month follow-up
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Hippocampal volume
Time Frame: up to 4 weeks
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Hippocampal volume represents the size of the hippocampus, which is a portion of the deep brain.
In particular, the investigators will compute the three dimensional volume of the hippocampus from structural MRI (Magnetic Resonance Imaging) taken at baseline and after 4 weeks of training.
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up to 4 weeks
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Fractional anisotropy
Time Frame: up to 4 weeks
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Fractional anisotropy (FA) is derived from diffusion tensor imaging (DTI) sequences taken during the neuroimaging testing.
FA reflects a ratio of the directional flows of water molecules within axonal bundles.
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up to 4 weeks
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Collaborators
Investigators
- Principal Investigator: Mike Lewek, PT, PhD, Associate Professor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
August 16, 2023
Primary Completion (Estimated)
May 31, 2025
Study Completion (Estimated)
May 31, 2025
Study Registration Dates
First Submitted
May 8, 2023
First Submitted That Met QC Criteria
May 8, 2023
First Posted (Actual)
May 18, 2023
Study Record Updates
Last Update Posted (Actual)
April 11, 2024
Last Update Submitted That Met QC Criteria
April 10, 2024
Last Verified
April 1, 2024
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 23-0021
- R21HD111833 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
YES
IPD Plan Description
All data collected will be shared with other researchers.
Specifically, the investigators will share all individual level 6MWT distances, average cadence, stride length, and gait interruption indices from the baseline test, after 4 weeks of training, and at the 3 month follow-up.
All MiniBESTtest total scores, and FOGQ total scores from these timepoints will also be shared for each individual.
Finally, the investigators will share hippocampal volume and fractional anisotropy values from each participant taken at baseline and after four weeks of training.
IPD Sharing Time Frame
Immediately following publication.
No end date.
IPD Sharing Access Criteria
Moreover, the investigators are committed to releasing all data, including neuroimaging, and scale data to the general scientific community, upon completion of the study.
In particular, the investigators will use open platforms (e.g., UNC Dataverse) to disseminate data.
Access to the data repository will be free of charge.
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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