- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00844558
Mobility Optimization Through Velocity Exercise (MOVE)
Optimizing Mobility in Older Adults With Knee Osteoarthritis
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The long-term objective of this research is to reduce disablement of older adults with knee osteoarthritis (OA). This will be accomplished through assessing changes in functional limitations (standing and walking) that occur with 2 mobility-specific interventions. The principle of specificity of training indicates that exercises that closely approximate the goal functional activity are most effective in improving physical performance during that activity. However, there is uncertainty whether intervening to increase muscle power or to improve gait mechanics would be most effective for optimizing mobility in older adults with knee OA. Although gait training may be most specific for improving gait, this approach currently requires supervised physical therapy and expensive equipment. In contrast, power training may be less costly and more convenient if conducted at home. To optimize mobility in older adults with symptomatic knee OA, there is a need to study each of these mobility-specific interventions in a randomized controlled trial (RCT). Successful completion of this trial will inform rehabilitation for maintaining or improving mobility as well as explore the mechanism of effect.
Specific Aim 1: Assess the efficacy of two innovative interventions for improving mobility limitations, disability and quality of life in older adults with symptomatic knee OA.
Primary Hypothesis: For older adults with symptomatic knee OA, in comparison with usual care (control group), a 3-month a) patient-specific gait training intervention and b) mobility-specific power training intervention will reduce lower limb mobility limitations assessed using the Function component of the Late Life Function and Disability Index (LLFDI-Function).
Hypothesis 2: Improved mobility will be maintained at 6 and 12-month follow-up (3 and 9 months following transitioning to home-based training) for each of the 2 intervention groups who receive the combination of the home-based intervention and encouragement to continue participation.
Hypothesis 3: In comparison to baseline measures, at 3, 6, and 12-month follow-up, each of the 2 intervention groups will demonstrate improvements in a) disability (LDCW), b) quality of life assessed using the Knee Osteoarthritis Outcome Score questionnaire Quality of Life component(KOOS Knee QOL), and c) knee OA specific outcome scores using the pain subscale component of KOOS.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Iowa
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Iowa City, Iowa, United States, 52242
- University of Iowa
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 60 or older
- Symptomatic knee osteoarthritis (knee osteoarthritis diagnosed by x-ray and frequent knee symptoms)
Exclusion Criteria:
- bilateral knee replacement
- acute or terminal illness
- unstable cardiovascular condition or other medical conditions that may impair ability to participate such as pulmonary disease requiring use of supplement oxygen, or current medical condition that affects walking, or lower limb musculoskeletal surgery in the past 6 months
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Gait Training
Gait Training Intervention Group Participants
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Gait training with a physical therapist 2/week for the first 3 months followed by 1/week for the following 3 months
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Placebo Comparator: Control
Gait Training Control Group Participants
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There is no intervention associated with this arm of the study
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Basic Lower Limb Function (Late Life Function Index) Late Life Function and Disability Instrument
Time Frame: 0,3,6, and 12 months
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This is a questionnaire that evaluates self-reported difficulty in a person's ability to do discrete actions or activities primarily involving standing, stooping and fundamental walking activities without the help of others. Factors that may influence difficulty in task performance include pain, fatigue, fear, weakness, soreness, ailments, health conditions and disabilities. Scored from 14 to 70 with scores approaching 70 signifying high levels in ability to perform activities primarily involving standing, stooping, and fundamental walking (without assistance), and scores approaching 14 signifying low levels in ability to perform activities primarily involving standing, stooping, and fundamental walking (without assistance). |
0,3,6, and 12 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Knee Osteoarthritis Injury and Outcome Scale (KOOS) Pain
Time Frame: 0,3,6 and 12 months
|
This is a 42-item self-administered questionnaire that covers five patient-relevant dimensions, including pain and knee-related symptoms. This instrument has been found to be a reliable and responsive measure in older adults with knee OA as well as sensitive to changes in pain and knee-related symptoms over 6- and 12-mo periods. Scored from 0 to 100 with 100 indicating no pain. |
0,3,6 and 12 months
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Change in KOOS Symptoms
Time Frame: 0,3,6 and 12 months
|
This instrument has been found to be a reliable and responsive measure in older adults with knee OA as well as sensitive to changes in pain and knee-related symptoms over 6- and 12-mo periods. Scored from 0 to 100 with 100 indicating no symptoms. |
0,3,6 and 12 months
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Change in Long Distance Corridor Walk (LDCW) Time, Secs
Time Frame: 0,3,6 and 12 months
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The LDCW included both 2-min walk distance and 400-m walk time.
This measure has been shown to be predictive of changes in community mobility.
Per the LDCW protocol, for participants unable to walk 400 m, gait speed was estimated from the 2-min walk distance, so that all participant data were on the same scale.
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0,3,6 and 12 months
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Change in Stair Climb Time, Secs
Time Frame: 0,3,6, and 12 months
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Functional limitations specific to ascending stairs were assessed with a times stair climb, using a standard eight-stair flight (stair height = 19 cm)
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0,3,6, and 12 months
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Change in Chair Stand Time
Time Frame: 0,3,6,and 12 months
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Measured as the total time (in seconds) required to stand five times from a seated position in a standardized chair without using arms.
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0,3,6,and 12 months
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Collaborators and Investigators
Sponsor
Collaborators
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 (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 200807706
- K23AG030945-01 (U.S. NIH Grant/Contract)
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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