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Age-related Mobility DeclineNCT02554916

Locomotor Adaptation Training to Prevent Mobility Disability

An observational study of Age-related Mobility Decline, run by University of Florida at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This is an exploratory study designed to investigate the effects of aerobic dual belt treadmill walking versus traditional treadmill exercise on gait performance and functional capacity in older adults at risk for mobility disability. Read more about this study

Who is it for?
Ages 65 years and olderHealthy volunteers can take part
Conditions the study is for
Age-related Mobility Decline
What is being tested?
Dual-Belt Exercise, Treadmill Exercise and Dual-Belt Treadmill
How many people
58 participants
Where
1 siteUnited States
Study dates
Jul 2010to 17 Jul 2019
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 65 years and older
  • All sexes
  • Healthy volunteers accepted
  • Older adult

Study population: Older adults with sedentary lifestyle willing to be be randomized to and treatment groups.

Who may be able to join

  • Age 65 and older
  • Gait Speed of ≤ 1m/s
  • Summary score 7-10 on the Short Physical Performance Battery, indicating mild to moderate impairment
  • Sedentary as defined by reporting <20 min/wk of performing regular physical activity in the past month and <125 min/wk of moderate physical activity on the CHAMPS-18 questionnaire
  • Willingness to be randomized to any of the treatment groups

Who cannot join

  • Failure to provide informed consent
  • Planned surgery in next year
  • Hospitalization within the past 6 months
  • Smoker > 1 pack per day
  • Significant cognitive impairment, defined as a known diagnosis of dementia or a Modified Mini-Mental State score <24
  • Significant cognitive executive impairment, defined as a Montreal Cognitive Assessment (MoCA) score of<25
Show all 16Show fewer
  • Progressive, degenerative neurologic disease, e.g., Parkinson's Disease, multiple sclerosis, Amyotrophic lateral sclerosis (ALS)
  • Severe rheumatologic or orthopedic diseases, e.g., awaiting joint replacement, active inflammatory disease
  • Terminal illness with life expectancy less than 12 mos, as determined by a physician
  • Severe pulmonary disease, requiring either steroid pills or injections or the use of supplemental oxygen
  • Severe cardiac disease, including New York Heart Association Class III or IV congestive heart failure, clinically significant aortic stenosis, history of cardiac arrest, use of a cardiac defibrillator, or uncontrolled angina;
  • Other significant co-morbid disease that would impair ability to participate in the exercise-based intervention, e.g. renal failure on hemodialysis, severe psychiatric disorder (e.g. bipolar, schizophrenia), excessive alcohol use (>14 drinks per wk); persons with depression will not be excluded
  • Develops chest pain or severe shortness of breath during exercise test
  • Unable to communicate because of severe hearing loss or speech disorder or language barrier
  • Lives outside of the study site or is planning to move out of the area in next year or leave the area for >1 month during the next year
  • Severe diabetes, requiring use of insulin

Trial locations and contacts

1 site in 1 country.

United States1 site
  • University of Florida

    Gainesville, Florida, 32611

Other trials in United States

About this study

Official title: Effectiveness of Rehabilitation Interventions for Mobility Impairment in Parkinson's Disease

This is an exploratory study designed to investigate the effects of aerobic dual belt treadmill walking versus traditional treadmill exercise on gait performance and functional capacity in older adults at risk for mobility disability. Identifying the relationship between aerobic treadmill exercise (dual belt or traditional) and the recovery of walking abilities will serve to optimize current rehabilitation approaches.

Read the detailed description

Participants will be forty-eight older adults with pre-clinical mobility disability who will be randomized into one of three intervention groups: dual-belt treadmill exercise, traditional treadmill exercise, or non-contact control.

Prior to and following 16 weeks of therapy, we will observe the participants' performing several functional movements (walking, standing from sitting, sitting from standing, walking up and down stairs) and measure their muscular activity. These performance-based measures will be obtained to determine whether their movement function improves as a result of therapeutic intervention. The participants' absolute performance on any of these tasks does not matter as much as that they make the very best effort on each of the tests. They are welcome to take a break at any point in the testing or training.

Being tested
Dual-Belt Exercise, Treadmill Exercise, Usual Care, Dual-Belt Treadmill
Keywords
Mobility decline

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Dual-Belt ExerciseBehavioural

    Also called Dual-Belt Treadmill

    The dual-belted exercise treadmill can control the speeds of the right and left legs individually. When asymmetric, the dual-belt treadmill imposes mechanical and sensory perturbations independently to each leg such that the central nervous system (CNS) must solve and adapt to the challenge to maintain walking.

  • Treadmill ExerciseBehavioural

    The treadmill exercise will maintain the speed of the right and left leg together while walking.

  • Usual CareOther

    This group will not be assigned to a treadmill but is as a non-exercising control group.

  • Dual-Belt TreadmillDevice

Study groups in NCT02554916
Study groupRoleWhat they receive
Dual-belt ExerciseThe participants assigned to this group will use the dual-belt treadmill 3 times a week for 16 weeks.
Receives: Behavioral: Dual-Belt Exercise; Device: Dual-Belt Treadmill
Treadmill ExerciseThe participants assigned to this group will use the treadmill 3 times a week for 16 weeks.
Receives: Behavioral: Treadmill Exercise; Device: Dual-Belt Treadmill
Usual CareThe participants assigned to this group will not use the treadmills.
Receives: Other: Usual Care

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in Gait Speed

    Gait speed will be determined from kinematic and kinetic measurement methods. A low value would indicate a slower walking speed compared to a higher value (faster walking speed).

    Measured: baseline and up to 6 weeks following the intervention

  2. Change in temporal variability

    Temporal will be determined from kinematic and kinetic measurement methods. Lower values correspond to better walking performance.

    Measured: baseline and up to 6 weeks following the intervention

  3. Change in spatial variability

    Spatial will be determined from kinematic and kinetic measurement methods. Lower values correspond to better walking performance.

    Measured: baseline and up to 6 weeks following the intervention

Secondary outcomes (12)
  1. Change in physical performance

    Using the Short Physical Performance Battery. A score is generated from 0 (worst performance)-12 (best performance).

    Measured: baseline and up to 6 weeks following the intervention

  2. Change in cognitive impairment

    Using the Mini Mental State Exam. Each item has 5 possible points. Scores greater than or equal to 27 (out of 30) indicates normal cognition. Severe = <9, moderate = 10-18, and mild = 19-24 cognitive impairment.

    Measured: baseline and up to 6 weeks following the intervention

  3. Change in Cognitive impairment of executive function

    Using the Montreal Cognitive assessment. 30 items. A score of less than 26 on this assessment will indicate cognitive executive function.

    Measured: baseline and up to 6 weeks following the intervention

  4. Change in Disability

    The Pepper Assessment Tool for Disability will be used. Includes 5 subscales: mobility, transferring, upper extremity, instrumental and basic activities of daily living.

    Low scores indicate higher functioning and high independence. The Late-life function and Disability instrument will also be used. This has a 16-item disability component and a 32-item function component. Items are scored for 1-5 for function and 1-5 for frequency and extent of disability. Where high scores in frequency would represent more activity, and low scores in disability would represent less disabled.

    Measured: baseline and up to 6 weeks following the intervention

  5. Change in likelihood of falling

    Using the Dynamic Gait Index. This is an observational task that is scored on an ordinal scale. Total score per item is summed to a total score from 0(low level of function, high likelihood of falling)-24(high level of function, low likelihood of falling).

    Measured: baseline and up to 6 weeks following the intervention

  6. Change in knee extensor strength

    Using an isokinetic dynamometer, we will test Knee extensor strength. Peak torque will be calculated. A high value indicates more strength. Low values indicate less strength.

    Measured: baseline and up to 6 weeks following the intervention

  7. Change in ankle plantarflexor strength

    Using an isokinetic dynamometer, we will test ankle plantarflexor strength. Peak torque will be calculated. A high value indicates more strength. Low values indicate less strength.

    Measured: baseline and up to 6 weeks following the intervention

  8. Change in Timed up and Go

    Participants will be timed in seconds. More time to complete the task indicates low function, while less time indicates high function.

    Measured: baseline and up to 6 weeks following the intervention

  9. Change in timed chair rise

    Participants will be timed in seconds. More time to complete the task indicates low function, while less time indicates high function.

    Measured: baseline and up to 6 weeks following the intervention

  10. Change in timed stair climb

    Participants will be timed in seconds. More time to complete the task indicates low function, while less time indicates high function.

    Measured: baseline and up to 6 weeks following the intervention

  11. Change in energetic cost of walking

    This will be measured by: electrocardiogram, blood pressure, spirometry tests, and ratings of perceived exertion.

    The participant's maximal aerobic fitness, or oxygen consumption (VO2max) will be determined using a walking symptom-limited graded exercise test (GXT; modified walking incremental treadmill Naughton). All tests will follow the guidelines of the American College of Sports Medicine (ACSM) with electrocardiogram (ECG) heart monitoring and periodic blood pressure measures. Open-circuit spirometry will be used to determine VO2max and carbon dioxide production. Walking time until voluntary exhaustion or pain limitation will be recorded. Rating of perceived exertion (RPE) values will be collected at rest, at each exercise stage and during recovery. The treadmill tests will be performed at baseline and following the interventions.

    Measured: baseline and up to 6 weeks following the intervention

  12. Change in Ambulatory activity

    7 day assessment using an activity monitor. The device will count the number of steps taken.

    Measured: baseline and up to 6 weeks following the intervention

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted18 Sep 2015 (estimated)
  2. Study startJul 2010
  3. Primary completion17 Jul 2019
  4. Study completion17 Jul 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
58 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02554916
Sponsor's protocol ID
IRB201400915-N
Other IDs
1R21AG048133-01A1
Status last verified
Jul 2019
First submitted
17 Sep 2015
Last updated
22 Jul 2019
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

An observational study of Age-related Mobility Decline, run by University of Florida at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 16 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 22 Jul 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in Gait Speed (time frame: baseline and up to 6 weeks following the intervention). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Jul 2019.

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