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WIREDUP: Wearable Insoles for Recurrent Diabetic Ulcer Prevention

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Orpyx Medical Technologies

Status

Not yet enrolling

Conditions

Peripheral Neuropathy
Diabetic Foot
Diabetes
Diabetic Foot Ulcer

Treatments

Device: Orpyx Sensory Insole System

Study type

Interventional

Funder types

Industry

Identifiers

NCT05950659
WIREDUP

Details and patient eligibility

About

The primary aim of this study is to demonstrate the impact of the Orpyx® Sensory Insoles (Orpyx Medical Technologies Inc., Calgary AB, Canada) ("Orpyx" or "the Company") as an adjunct to the standard of care (SOC), as compared to SOC alone, on reducing plantar ulceration incidence in individuals who are at risk for developing diabetic foot complications.

The secondary aims of this study are to evaluate participant quality of life, participant engagement, and economic impact, including cost-effectiveness and cost-utility. The study will also use the unique data set collected (plantar pressure, temperature, step count, movement and adherence feedback) to identify foot-loading histories that either lead to or prevent the development of ulceration in the diabetic foot.

Enrollment

400 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Diagnosed Type 1 or 2 diabetes
  • Clinically diagnosed neuropathy via Neuropathy Monofilament Test
  • Qualification as a "high-risk participant," meaning a recent history (<12 months) of a healed diabetic neuropathic ulceration on the weight-bearing surface of one or both feet (this includes the plantar distal toe surface)
  • Complete healing of any previous foot ulcers, as defined by complete re-epithelialization of that ulcer which is confirmed by two medical exams that occur at least two weeks apart (V0 and V1)
  • Ability to walk independently (without use of wheelchair) for 30 steps. Use of a walker or cane is acceptable as long as the participant can walk for at least 30 steps.
  • Aged >18 years
  • Ability to understand all study requirements and have a life expectancy greater than the study duration
  • Vascular assessment (i.e., ABI, segmental pressure) that demonstrates the participant has adequate lower extremity perfusion
  • Subject is willing and able to maintain the required offloading (as applicable for the location of the healed ulcer)
  • Subject is willing and able to wear the Orpyx Sensory Insoles during ambulatory activity and at home during waking hours, and for a minimum of 5 hours per day
  • Compatibility of the device with the participant's footwear
  • Most recent HbA1c level of < 12.0% (in the last 12 months)
  • Amputations, if present, are compatible with the use of insoles

Exclusion criteria

  • Active ulcer or presence of other open chronic wound (on foot or other body surface), regardless of etiology (e.g., vasculitis, neoplasms, or hematological disorders)
  • History of known non-neuropathic foot ulcer (e.g., arterial, or venous insufficiency ulcer)
  • Presence of severe vascular disease (refer to acceptable ABI parameters in inclusion criteria)
  • Dementia
  • Psychiatric illness or social situations that would limit compliance with the study
  • Serious underlying balance dysfunction, regardless of etiology
  • Significant cardiopulmonary or other systemic disease limiting the participant's ability to walk at least 30 steps or to stand for an amount of time equal to or greater than five (5) minutes
  • Current participation in another clinical investigation of a medical device or a drug; or participation in such a study within 30 days prior to study enrolment
  • Osteomyelitis or gangrene of the lower extremity
  • Uncorrected plantar Charcot neuroarthropathy
  • Bunion which would predispose ulcer formation (clinician discretion)
  • Extreme equinus
  • Hallux valgus
  • Hallux rigidus / limitus
  • HbA1c levels >= 12%
  • At the start of V1, and prior to randomization, the subject no longer meets the entrance criteria (inclusion and exclusion)
  • Any condition that would affect or limit the ability to properly fit both shoes with the device under study
  • Subject has a history of intercurrent illness or conditions that would compromise the safety of the subject or their ability to participate in the study
  • Amputations on the foot which the clinician deems incompatible with the insoles (i.e., those that require additive insole modifications)

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Single Group Assignment

Masking

None (Open label)

400 participants in 2 patient groups

Intervention
Experimental group
Treatment:
Device: Orpyx Sensory Insole System
Control
No Intervention group

Trial contacts and locations

0

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Central trial contact

Emily Bray

Data sourced from clinicaltrials.gov

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