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EVALUATION STUDY
JOURNAL ARTICLE
A Prospective, Postmarket, Compassionate Clinical Evaluation of a Novel Acellular Fish-skin Graft Which Contains Omega-3 Fatty Acids for the Closure of Hard-to-heal Lower Extremity Chronic Ulcers.
INTRODUCTION: A novel piscine acellular fish-skin graft product has 510k clearance on the US market. This product (Omega3, Kerecis, Isafjordur, Iceland) is to be used similarly to extracellular matrices (ECMs) on the market (eg, bovine and porcine) except that it contains fats, including omega-3 polyunsaturated fatty acids that have been associated with anti-inflammatory properties in many studies. While many current ECMs are effective on open wounds, studies have largely excluded application to hard-to-heal ulcers. To test this product in a real-world environment, the authors chose to look specifically at hard-to-heal ulcers based on previously defined wound and patient factors.
METHODS: The primary objective was to assess the percentage of wound closure area from baseline after 5 weekly fish-skin graft applications in 18 patients with at least 1 "hard-to-heal" criteria. Patients underwent application of the fish skin for 5 sequential weeks, followed by 3 weeks of standard of care. Wound area, skin assessments, and pain were assessed weekly.
RESULTS: A 40% decrease in wound surface area (P < 0.05) and a 48% decrease in wound depth was seen with 5 weekly applications of the fish-skin graft and secondary dressing (P < 0.05). Complete closure was seen in 3 of 18 patients by the end of the study phase.
CONCLUSION: This fish-skin product appears to provide promise as an effective wound closing adjunctive ECM. This is true when used in this compassionate setting, where many other products fail. This study lacks a control arm and an aggressive application schedule, but the investigators believe it represents real-world practice.
METHODS: The primary objective was to assess the percentage of wound closure area from baseline after 5 weekly fish-skin graft applications in 18 patients with at least 1 "hard-to-heal" criteria. Patients underwent application of the fish skin for 5 sequential weeks, followed by 3 weeks of standard of care. Wound area, skin assessments, and pain were assessed weekly.
RESULTS: A 40% decrease in wound surface area (P < 0.05) and a 48% decrease in wound depth was seen with 5 weekly applications of the fish-skin graft and secondary dressing (P < 0.05). Complete closure was seen in 3 of 18 patients by the end of the study phase.
CONCLUSION: This fish-skin product appears to provide promise as an effective wound closing adjunctive ECM. This is true when used in this compassionate setting, where many other products fail. This study lacks a control arm and an aggressive application schedule, but the investigators believe it represents real-world practice.
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