Status:

TERMINATED

Exoskeleton Variability Optimization

Lead Sponsor:

University of Nebraska

Collaborating Sponsors:

National Institute of General Medical Sciences (NIGMS)

Conditions:

Peripheral Arterial Disease

Eligibility:

All Genders

19-85 years

Phase:

NA

Brief Summary

Exoskeletons, wearable devices that assist with walking, can improve mobility in clinical populations. With exoskeletons, it is crucial to optimize the assistance profile. Recent studies describe algo...

Detailed Description

Exoskeletons, wearable devices that assist with walking, can improve mobility in clinical populations. With exoskeletons, it is crucial to optimize the assistance profile. Recent studies describe algo...

Eligibility Criteria

Inclusion

  • Ability to provide written consent
  • Chronic claudication history
  • Ankle-brachial index \< 0.90 at rest
  • Stable blood pressure, lipids, and diabetes for \> 6 weeks
  • Ability to walk on a treadmill for multiple five-minute spans
  • Ability to fit in exoskeleton
  • Waist circumference 78 to 92 centimeters (31 to 36 inches)
  • Thigh circumference 48 to 60 centimeters (19 to 24 inches)
  • Minimal thigh length 28 centimeters (11 inches)

Exclusion

  • Resting pain or tissue loss due to peripheral artery disease (PAD, Fontaine stage III and IV)
  • Foot ulceration
  • Acute lower extremity event secondary to thromboembolic disease or acute trauma
  • Walking capacity limited by diseases unrelated to PAD, such as:
  • Neurological disorders
  • Musculoskeletal disorders (arthritis, scoliosis, stroke, spinal injury, etc.)
  • History of ankle instability
  • Knee injury
  • Diagnosed joint laxity
  • Lower limb injury
  • Surgery within the past 12 months
  • Joint replacement
  • Pulmonary disease or breathing disorders
  • Cardiovascular disease
  • Vestibular disorder
  • Acute injury or pain in lower extremity
  • Current illness
  • Inability to follow visual cues due to blindness
  • Inability to follow auditory cues due to deafness
  • Pregnant

Key Trial Info

Start Date :

January 31 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

March 28 2025

Estimated Enrollment :

9 Patients enrolled

Trial Details

Trial ID

NCT04338815

Start Date

January 31 2022

End Date

March 28 2025

Last Update

June 19 2025

Active Locations (1)

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1

University of Nebraska Omaha

Omaha, Nebraska, United States, 68182