- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04303078
Quantifying Energetic Demands of Walking for People With Cerebral Palsy
The purpose of this study is to examine the underlying mechanisms that contribute to high energy costs for people with cerebral palsy (CP) as they walk.
The investigators will characterize the cost landscape of children with CP, quantifying the magnitude of cost (net nondimensional oxygen consumption) associated with walking and common sub-tasks of walking, such as supporting and stabilizing the body.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Children with CP use large amounts of energy to walk and move, leading to fatigue and limiting participation. For people with CP the energetic cost of walking is on average over two times higher than typically-developing (TD) peers. This means that for people with CP, walking is as tiring as jogging or climbing stairs. An energetic cost of this magnitude restricts activities of daily living (ADL) and causes exhaustion.
While the investigators and many others have sought to reduce these energetic costs through surgical interventions, rehabilitation, orthotics, or other assistive devices, these strategies have failed to result in meaningful reductions in energy. To design strategies that successfully reduce walking costs, the investigators must first understand the underlying mechanisms contributing to elevated cost in people with CP. This basic-science research will provide the foundation to create evidence-based strategies to decrease energy costs, minimize fatigue, and increase quality of life for people with CP and other neurologic injuries.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Michael Schwartz, PhD
- Phone Number: 651-229-1745
- Email: mschwartz@gillettechildrens.com
Study Contact Backup
- Name: Marissa Thill, MS
- Phone Number: 651-229-1748
- Email: marissajthill@gillettechildrens.com
Study Locations
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Minnesota
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Saint Paul, Minnesota, United States, 55101
- Recruiting
- Gillette Children's Specialty Healthcare
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Contact:
- Marissa Thill, MS
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Principal Investigator:
- Michael Schwartz, PhD
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria for Cases:
- 8-17 years old
- Diagnosed with bilateral cerebral palsy
- Gross Motor Function Classification System II
- No surgery within the last 9 months
- No current baclofen pump or explantation in the last 2 months
- No botulinum toxin or phenol injections in the last 2 months
- Had a prior gait and motion analysis at Gillette Children's Specialty Healthcare
- Participant and caregiver able to speak and read English
- Ability to follow instructions
Inclusion Criteria for Controls:
- 8-17 years old
- Participant and caregiver able to speak and read English
- Ability to follow instructions
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Children with Cerebral Palsy (Cases)
Children meeting inclusion/exclusion criteria with a diagnosis of cerebral palsy.
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Participants will complete a standard gait and motion analysis at varying levels of harness support and stabilization (low, moderate, and high levels).
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Other: Typically Developing Children (Controls)
Children meeting inclusion/exclusion criteria without a diagnosis of cerebral palsy or other condition.
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Participants will complete a standard gait and motion analysis at varying levels of harness support and stabilization (low, moderate, and high levels).
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Net nondimensional oxygen consumption
Time Frame: One-time research visit (1 hour)
|
Compare net nondimensional oxygen consumption with varying levels of harness support
|
One-time research visit (1 hour)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Three-dimensional gait kinematics
Time Frame: One-time research visit (1 hour)
|
Three-dimensional gait kinematics to estimate body position and orientation, including trunk and lower limb
|
One-time research visit (1 hour)
|
Three-dimensional gait kinetics
Time Frame: One-time research visit (1 hour)
|
Three-dimensional gait kinetics to estimate joint moments (Nm/kg) of the hip, knee, and ankle
|
One-time research visit (1 hour)
|
Passive joint range of motion
Time Frame: One-time research visit (15 minutes)
|
Compare passive joint range of motion (degrees) measured by lower extremity physical exam
|
One-time research visit (15 minutes)
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Spasticity
Time Frame: One-time research visit (15 minutes)
|
Spasticity measured by Modified Ashworth Scale (0 no increase in tone - 4 rigid in flexion or extension)
|
One-time research visit (15 minutes)
|
Selective motor control
Time Frame: One-time research visit (15 minutes)
|
Selective motor control (0 patterned movement - 2 complete isolated movement)
|
One-time research visit (15 minutes)
|
Lower extremity strength
Time Frame: One-time research visit (15 minutes)
|
Lower extremity strength measures by the manual muscle test (0 no muscle contraction - 5 typical muscle function)
|
One-time research visit (15 minutes)
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Michael Schwartz, PhD, Gillette Children's Specialty Healthcare
- Principal Investigator: Katherine Steele, PhD, University of Washington
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
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
- STUDY00014591
- R21HD104112 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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