Walking Ankle Robot for Foot Drop in Aging and Disabled Populations: A Demonstration Project

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-88
SponsorBaltimore VA Medical Center

About this trial

The purpose of this research study is to test the utility of an ankle robot, when used during treadmill walking, in people with ankle weakness and foot drop from a peripheral nervous system injury due to neuromuscular or orthopedic injury.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Men and women, aged 18 to 88 years

Chronic foot drop and ankle weakness in one leg from a peripheral nervous system injury due to a neuromuscular or orthopedic injury

Ability to walk 10 meters and arise from a chair with no human assistance (but usage of usual assistive device[s] is permitted)

Disqualifiers

Cardiac history of (a) unstable angina; (b) recent (less than 3 months) myocardial infarction, congestive heart failure (NYHA category II); and/or (c) hemodynamically significant valvular dysfunction

Hypertension that is a contraindication for a bout of walking training (greater than 160/100 mmHg on two assessments)

Medical history of (a) recent hospitalization (less than 3 months) for severe medical disease; (b) symptomatic peripheral arterial occlusive disease; (c) orthopedic or chronic pain conditions that significantly alter gait function; (d) pulmonary or renal failure; and/or (e) active cancer

Current participation in orthopedic or rehabilitation medical programs

Trial design

Design model

Single group

Treatments tested in this trial

  • Treadmill Ankle Robot Training

    Device

    This intervention employs the use of an adaptive ankle robot control system, during treadmill walking, over a 6-week intervention period.

Treatment groups

100 Participants
are divided into 1 treatment group
Group A: Treadmill Ankle Robot TrainingExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Gait velocity during self-selected overground walking

cm/sec

Time frame
Change from baseline to: post-6 weeks of training, and 6 weeks after completion of training
2

Peak dorsiflexion angle during swing phase of gait

degrees; extent of ankle dorsiflexion to enable foot clearance

Time frame
Change from baseline to: post-6 weeks of training, and 6 weeks after completion of training
3

Ankle dorsiflexion-plantarflexion range of motion

degrees

Time frame
Change from baseline to: post-6 weeks of training, and 6 weeks after completion of training
4

Postural sway areas during quiet standing

cm\^2; extent of postural deviations to assess static postural control

Time frame
Change from baseline to: post-6 weeks of training, and 6 weeks after completion of training

Secondary outcomes

Other outcomes

Locations

This trial has no locations.

Sponsors and contacts

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