alexa HYAFF 11-based autologous dermal and epidermal grafts in the treatment of noninfected diabetic plantar and dorsal foot ulcers: a prospective, multicenter, controlled, randomized clinical trial.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Tissue Science & Engineering

Author(s): Caravaggi C, De Giglio R, Pritelli C, Sommaria M, Dalla Noce S,

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Abstract OBJECTIVE: To evaluate the clinical efficacy and safety of HYAFF 11-based autologous dermal and epidermal grafts in the management of diabetic foot ulcers. RESEARCH DESIGN AND METHODS: A total of 79 patients with diabetic dorsal (n = 37) or plantar (n = 42) ulcers were randomized to either the control group with nonadherent paraffin gauze (n = 36) or the treatment group with autologous tissue-engineered grafts (n = 43). Weekly assessment, aggressive debridement, wound infection control, and adequate pressure relief (fiberglass off-loading cast for plantar ulcers) were provided in both groups. Complete wound healing was assessed within 11 weeks. Safety was monitored by adverse events. RESULTS: Complete ulcer healing was achieved in 65.3\% of the treatment group and 49.6\% of the control group (P = 0.191). The Kaplan-Meier mean time to closure was 57 and 77 days, respectively, for the treatment versus control groups. Plantar foot ulcer healing was 55\% and 50\% in the treatment and control groups, respectively. Dorsal foot ulcer healing was significantly different, with 67\% in the treatment group and 31\% in the control group (P = 0.049). The mean healing time in the dorsal treatment group was 63 days, and the odds ratio for dorsal ulcer healing compared with the control group was 4.44 (P = 0.037). Adverse events were equally distributed between the two groups, and none were related to the treatments. CONCLUSIONS: The autologous tissue-engineered treatment exhibited improved healing in dorsal ulcers when compared with the current standard dressing. For plantar ulcers, the off-loading cast was presumably paramount and masked or nullified the effects of the autologous wound treatment. This treatment, however, may be useful in patients for whom the total off-loading cast is not recommended and only a less effective off-loading device can be applied.
This article was published in Diabetes Care and referenced in Journal of Tissue Science & Engineering

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