Treatment of Hard-to-heal Diabetic Foot Ulcers With a Hepatic-derived Wound Matrix

NewsBot · Aug 21, 2020

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Treatment of Hard-to-heal Diabetic Foot Ulcers With a Hepatic-derived Wound Matrix
Robert Fridman et al
Wounds. 2020 Jun 21

Introduction: Difficult-to-heal diabetic foot ulcers (DFUs) increase the likelihood of significant pathology and increased health care costs.

Objective: This study evaluates the ability of a novel hepatic-derived wound matrix (HD-WM) to treat hard-to-heal DFUs.

Materials and methods: In total, 53 patients were enrolled and 38 completed per protocol. Patients had ulcers that had been present for at least 90 days and were non-responsive to at least 2 applications of an advanced biologic wound care product. Patients were treated with standard of care and offloading for a 2-week run-in phase. If they satisfied criteria, they were enrolled in the trial and treated with the HD-WM, and then seen weekly for assessment and additional treatment as needed. Patients continued weekly visits until the wound healed or went 12-weeks posttreatment without healing.

Results: Mean starting wound size was 3.5 cm2 and mean wound duration was 41.1 weeks. Median previous treatment applications of an advanced biologic were 3.0. Complete closure of the wound occurred in 22 of the 38 patients (57.9%) within the 12-week study period, while 16 of 38 (42.1%) of the wounds had failed to completely heal. The mean time to wound closure was 8.1 weeks; these patients received a median of 1 application of the HD-WM under investigation. Closure of the wound by 50% or greater at week 4 was highly predictive of complete wound closure by 12 weeks. Except for bodily pain (36-Item Short Form Health Survey), which significantly improved in patients whose wounds healed, quality of life measures did not show changes.

Conclusions: The HD-WM under evaluation did well at closing difficult-to-heal wounds with minimal applications. These results are consistent with a previous study on this HD-WM.
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