Wearable insoles warn of foot pressure to stop diabetic ulcers
NCT ID NCT07674420
First seen Jun 29, 2026 · Last updated Jul 15, 2026 · Updated 3 times
Summary
This trial tests a wearable insole system that monitors foot pressure, temperature, and movement, giving real-time alerts to help users shift weight and avoid injury. The study includes people with type 1 or 2 diabetes who have nerve damage and a recent history of healed foot ulcers. Researchers want to see if using these smart insoles alongside standard care reduces the chance of ulcers coming back.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Orpyx Sensory Insole System
- What this could lead to
- If effective, these insoles could help prevent painful foot ulcers in people with diabetes, reducing hospital visits and amputations.
- What could go wrong
- This is a small early study with only 17 participants, so results may not apply broadly. The insoles may not prevent all ulcers or could be inconvenient to wear.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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17 people
The number who actually took part.
- Started
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Oct 2023
- Expected to finish
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Nov 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Diagnosed Type 1 or 2 diabetes * Clinically diagnosed neuropathy via Neuropathy Monofilament Test (Appendix A) * 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 (screening visit and baseline study visit) * 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 * Ankle-Brachial Index (ABI) \> 0.6 or Toe-Brachial Index (TBI) \> 0.4 or palpable pulses or evidence of healing in the last 2 months. If ABI \< 0.4, the patient's vascular lab studies (ABI, TBI, pulse volume recordings) will be reviewed by the study Principal Investigator and a Co-Investigator vascular surgeon * 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 * Amputations, if present, are compatible with the use of insoles at physician discretion (e.g. Transmetatarsal Amputation (TMA) are acceptable) Exclusion Criteria: * Active ulcer or presence of other open chronic wound (on foot or leg), regardless of etiology (e.g., vasculitis, neoplasms, or hematological disorders) * Dementia * Psychiatric illness or social situations that would limit compliance with the study * Significant cardiopulmonary, severe imbalance, 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 (self-reported) * Current participation in another clinical investigation of a similar medical device designed to offload or prevent diabetic foot ulcer formation; or participation in such a study within 30 days prior to study enrollment, per physician discretion * Current enrollment in any other remote patient pedal monitoring (RPPM) program * Osteomyelitis or gangrene of the lower extremity * Uncorrected plantar Charcot neuroarthropathy * Bunion which would predispose ulcer formation (clinician discretion) * Extreme equinus * At the start of V1, and prior to randomization, the subject no longer meets the entrance criteria (inclusion and exclusion) * Above ankle amputation * Amputations not compatible with the insole, per physician discretion * Foot deformities or amputations that require surgical intervention as the next step in standard of care, and that the study footwear and device would not adequately address (to be adjudicated by an outside review panel). * Brannock-measured foot size \> Men's 14 (Women's 12) * Physician discretion
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Johns Hopkins University Hospital
Baltimore, Maryland, 21287, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- New wound dressing put to the test against diabetic foot ulcers
- New pill takes aim at blood sugar in diabetes
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- Diabetes devices put to the test: can home monitors match lab accuracy?