- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00762814
The Use of Sensory or Motor Cues Using Electrical Stimulation to Reduce Gait Freezing in Patients With Parkinson Disease
Study Overview
Status
Conditions
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Early Phase 1
Contacts and Locations
Study Locations
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Missouri
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Saint Louis, Missouri, United States, 63108
- Washington University Program in Physical Therapy
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- PD diagnostic criteria include those used for clinically defined "definite PD", as previously outlined22 based upon established criteria.22, 23
- history of consistent freezing with ambulation in a straight line and/or when turning.
- normal central and peripheral neurological function
- at least grade 4 strength and normal joint ranges of motion in both legs
- normal somatosensory function in the feet (joint position sense), except for their neurological diagnosis and use of levodopa.
- Each must have had clear benefit from levodopa for at least some of his/her PD symptoms
- All subjects with PD must be able to walk independently for 10 feet.
Exclusion Criteria:
- serious medical problem that would impair the ability to undergo testing.
- use of neuroleptic or other dopamine-blocking drug
- use of drugs that might affect balance
- history or evidence of other neurological deficit that could interfere, such as previous stroke or muscle disease
- participants who are unable to provide informed consent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Parkinson subjects with freezing
Each subject will have been diagnosed with Parkinson disease and will serve as his/her own control. Inclusion criteria: history of consistent freezing with ambulation in a straight line and/or when turning, normal central and peripheral neurological function, at least grade 4 strength and normal joint ranges of motion in both legs, normal somatosensory function in the feet (joint position sense), except for their neurological diagnosis and use of levodopa, each must have had clear benefit from levodopa for at least some of his/her PD symptoms, and all subjects with PD must be able to walk independently for 10 feet. Exclusion criteria include: serious medical problem that would impair the ability to undergo testing, use of neuroleptic or other dopamine-blocking drug, use of drugs that might affect balance, history or evidence of other neurological deficit that could interfere, such as previous stroke or muscle disease, or participants who are unable to provide informed consent. |
Eligible subjects will be perform walking tests involving the use of the TENS device (Select Unit by Empi) on the lower leg bilaterally during gait: uncued (wearing the unit but, but with the device turned off) or with a tactile cue (wearing the device with it turned on until a tactile stimulus is felt).
The TENS unit is a battery-operated, single-channel electrical stimulator worn around the proximal calf that can used to provide a constant tactile stimulus.
All subjects will undergo a single visit in which the two walking conditions are tested.
During these visits, the patient will perform the same gait assessments measured with the device turned off as well as turned on.
Testing the two conditions on the same day/time will provide the investigators with a consistent comparison of the two tested conditions, as mobility and function in patients with PD can vary significantly within and between days.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Timed Up and Go
Time Frame: Time of study visit
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Time of study visit
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Time to perform a 360 degree turn while standing in place
Time Frame: Time of study visit
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Time of study visit
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Time to complete a figure-eight walking pattern around cones placed anterior and posterior to the subject
Time Frame: Time of study visit
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Time of study visit
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 07-0890
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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