A Treadmill Training Program Augmented by Virtual Reality to Decrease Fall Risk in Older Adults

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

302 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-11-30

Study Completion Date

2015-12-31

Brief Summary

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The proposed randomized controlled trial will evaluate the effects of treadmill training augmented with virtual reality on fall risk.

300 older adults with a history of falls will be recruited to participate in this study. This will include older adults (n=100), patients with mild cognitive impairment (MCI) (n=100), and patients with Parkinson's disease (PD)(n=100). Subjects will be randomly assigned to the intervention group (treadmill training with virtual reality) or to the active-control group (treadmill training without virtual reality). Each person will participate in a training program set in an outpatient setting 3 times per week for 6 weeks. Assessments will take place before, after, and 1 month and 6 months after the completion of the training.

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Detailed Description

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A prospective, single blinded, parallel group, randomized controlled trial with 6 month follow-up will be employed to investigate the effects of treadmill training augmented with virtual reality on fall risk. The study will include 300 older participants who have experienced two or more falls in the previous 6 months. Participants will be randomized to either the intervention or control group. The intervention group will receive 18 sessions of Treadmill Training with Virtual Reality (TT+VR) and the active control comparison will receive 18 training sessions of treadmill training alone (TT) without the VR simulation All interventions will be delivered by therapists trained in the standard protocols. All subjects will be trained 3 times a week for 6 weeks, each session will last approximately 45 minutes.Training progression will be based on increasing both motor and cognitive challenges, individualized to the participant's level of performance.

Primary outcome measures:

The primary outcome measure of the study is fall rate for 6 months post intervention. Secondary outcome measures will include gait speed and gait variability under usual and dual task conditions and while negotiating physical obstacles will be measured. Endurance will be assessed using the 2 Minute Walk Test and mobility will be assessed using the Four Square Step Test (FSST), The Short Physical Performance Battery (SPPB) and the mini-Balance Evaluation Systems Test (mini-BESTest). Community ambulation will be assessed using a tri-axial accelerometer ('Axivity' Ltd.)which will be worn by the participants for 7 days. Cognitive function will be assessed using a computerized neuropsychological test battery (Mindstreams, 'NeuroTrax' Corp., NJ) as well as standardized neuropsychological tests (Montreal Cognitive Assessment,The Trail Making Test; Verbal Fluency). Quality of life will be evaluated using the SF-36 Health Survey

Conditions

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Elderly Adults Parkinson Mild Cognitive Disorder

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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TT+VR

The training will consist of walking on the treadmill while negotiating obstacles in a virtual reality simulation.Training will be provided3 times a week for a duration of 6 weeks (total of 18 sessions).

Group Type EXPERIMENTAL

TT+VR

Intervention Type OTHER

subjects will be walking on a treadmill while negotiating virtual obstacles provided by a computer simulation. The virtual environment will consist of obstacles, different pathways, narrow corridors and distracters, requiring modulations of step amplitude in two planes (i.e., height and width) coordinated with walking behaviour. The speed, orientation, size, frequency of appearance and shape of the targets will be manipulated according to individual needs following a standardized protocol.

TT alone

The training will consist of walking on the treadmill 3 times a week for a duration of 6 weeks (total of 18 sessions).

Group Type ACTIVE_COMPARATOR

TT alone

Intervention Type OTHER

The participants will walk on the treadmill, their gait speed over-ground will be measured at the beginning of each week of training. Progression will include increasing the duration of each of the walking bouts and increasing walking speed.

Interventions

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TT+VR

subjects will be walking on a treadmill while negotiating virtual obstacles provided by a computer simulation. The virtual environment will consist of obstacles, different pathways, narrow corridors and distracters, requiring modulations of step amplitude in two planes (i.e., height and width) coordinated with walking behaviour. The speed, orientation, size, frequency of appearance and shape of the targets will be manipulated according to individual needs following a standardized protocol.

Intervention Type OTHER

TT alone

The participants will walk on the treadmill, their gait speed over-ground will be measured at the beginning of each week of training. Progression will include increasing the duration of each of the walking bouts and increasing walking speed.

Intervention Type OTHER

Other Intervention Names

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training on a treadmill with virtual reality treadmill training

Eligibility Criteria

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Inclusion Criteria

* 2 or more falls within 6 months prior to the beginning of the study
* Aged 60-85 years
* Able to walk for 5 minutes unassisted
* Adequate hearing and vision capabilities.
* Stable medication for the past 1 month and anticipated over a period of 6 months

Exclusion Criteria

* Psychiatric co-morbidity
* Clinical diagnosis of dementia or other severe cognitive impairment (MMSE\<24)
* History of stroke, traumatic brain injury or other neurological disorders (other than PD and MCI, for those groups)
* Acute lower back or lower extremity pain, peripheral neuropathy, rheumatic and orthopaedic diseases
* Unstable medical condition in the past 6 months
* Unable to comply with the training
* Interfering therapy

Minimum Eligible Age

60 Years

Maximum Eligible Age

85 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No