Sterilised, Porcine Placental Tissue in the Treatment of Chronic Diabetic Foot Ulcers

Running, not enrolling · Not applicable

Conditions studied: Diabetic Foot Ulcer

In brief

A Prospective, Non-Randomized, Multi-Center Observational Study To determine the safety and effectiveness of InnovaMatrix AC porcine placental ECM therapy for the treatment of chronic, non-healing diabetic foot ulcers (DFUs) Eligible subjects will be treated with a weekly application of sterilized, porcine placental ECM followed by standard of care wound therapy and offloading

Key facts

Study ID

NCT05687656

Run by

ConvaTec Inc.

People needed

30

Starts

2022-10-06

Expected to finish

2025-12-31

Last updated by the study team

2025-05-31

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female patients over 18 years of age who have given written informed consent in accordance with the ICH Good Clinical Practice (GCP) guideline. Female subjects must be either of non-childbearing potential or if of child bearing potential must satisfy the defined contraceptive criteria Exclusion criteria h.
• Patients who are willing and able to attend all follow up visits
• Subject has a known history of Type 1 or Type 2 diabetes with a HbA1c ≤12% . Has a diabetic foot ulcer classified by the Wagner classification 1 or 2 and at least 0.75cm2 and less than 5.0 cm2 in surface area as determined by photographic planimetry at the time of enrollment.
• Index ulcer characteristics:
• Ulcer present for ≥ 30 days prior to (Day 0)
• Index ulcer is located below the ankle: at least 50% of the ulcer surface area is below the malleolus.
• Subject has Body Mass Index (BMI) ≤ 45 at enrollment.
• Subject has adequate circulation to the affected extremity, as demonstrated by at least one of the following within the past 30 days:
• Dorsum transcutaneous oxygen test (TcPO2) with results ≥ 30 mmHg, Or
• ABIs with results of ≥ 0.7 and ≤ 1.2, Or
• Doppler arterial waveforms, which are triphasic or biphasic at the ankle of the affected foot. For ABPI >1.2 TBI (Toe Brachial Index) > 0.5.
• Patient able to ambulate at home or in the clinic with or without mobility aids
• The subject is willing to accept treatment with a porcine based product 9. The subject is medically stable, in the opinion of the investigator

You may not qualify if…

• Index Ulcer Assessment:
• Penetrates down to muscle, tendon, or bone
• Presence of another diabetic foot ulcer within 2 cm of the index ulcer
• Index ulcer determined to be due to Active Charcot deformity or previous surgical correction for Charcot deformity.
• Wounds which occur in relation to major structural abnormalities of the foot, which would include amputations related to osteomyelitis or Charcot deformity
• Exhibits overt clinical signs and symptoms of infection with cellulitis surrounding the wound margin.
• Known or suspected local skin malignancy to the index diabetic ulcer
• Wound duration > one year without intermittent closure
• Prior therapies - Subjects receiving treatment with any of the following will not be eligible for enrollment:
• In the last 7 days - Negative pressure wound therapy (wound vac or SNaP®) of the index ulcer
• In the last 7 days - Hyperbaric oxygen (HBO) therapy
• In the last 10 days - Chemical debridement, hypochlorous acid or Dakin's solution, medical honey therapy
• In the last 30 days - Treatment with cytotoxic chemotherapy, application of topical steroids to the ulcer surface, or use of ≥ 14 days of immune-suppressants (including systemic corticosteroids); or, subject is anticipated to require such medications during the course of the study
• In the last 30 days - study ulcer treatment with any advanced therapy, including, biomedical or topical growth factors, tissue engineered materials (e.g. Apligraf or Dermagraft), sterilized placental allografts (EpiFix, NovaFix, etc.), or other scaffold materials (e.g. OASIS® Wound Matrix, MatriStem Wound Matrix )
• In the last 30 days - Subject has been on any investigational drug(s) or therapeutic device(s)
• In the last 8 weeks - Amputation or revascularization (surgical or stenting) to the affected leg
• Subject criteria that will make subject ineligible for enrollment:
• Known hypersensitivity to porcine based products
• Known osteomyelitis or active cellulitis requiring antimicrobial therapy at wound site
• End stage renal disease requiring dialysis.
• Immune system disorders including Systemic Lupus Erythematosus (SLE), Acquired Immunodeficiency Syndrome (AIDS) or HIV
• Presence of any condition (including current drug or alcohol abuse, medical or psychiatric condition) that is likely to impair understanding of or compliance with the study protocol in the judgment of the Investigator
• Pregnancy at enrollment or within last 6 months, women who are breastfeeding, or women of childbearing potential who are planning to become pregnant during the time of the study OR are unwilling/unable to use acceptable methods of contraception (birth control pills, barriers, or abstinence)
• Subjects currently enrolled in this study. Concurrent enrollment in the study is prohibited
• Subjects currently receiving radiation therapy or chemotherapy

Where it is running

• Three Rivers Hyperbaric and Wound Center — North Port, Florida, United States
• Serena Group Buffalo Research Center — Buffalo, New York, United States
• SerenaGroup Monroeville — Monroeville, Pennsylvania, United States
• SerenaGroup Austin Research Center — Austin, Texas, United States
• Atrium Medical Center — Stafford, Texas, United States

Full record on ClinicalTrials.gov

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