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Clinical Trial Summary

The study will explore the potential of utilizing Glyaderm® in a single-stage engrafting process, aiming for a more cost-effective approach. While the absence of the reticular dermal layer is a challenge associated with autologous split-thickness skin grafting (STSG), often leading to hypertrophic scars and contractures, various dermal substitutes with inconsistent results exist. Bilayered skin reconstruction using glycerolized acellular dermis (Glyaderm®) has shown promise in improving scar quality through a two-step procedure. However, unlike the typical two-step process required for most dermal substitutes, our investigation focuses on the cost-effective application of Glyaderm® in a single-stage engrafting. This approach, if successful, could offer advantages such as reduced costs, shorter hospitalization times, and lower infection rates-attributes preferred by many surgeons, especially when autografts are available.


Clinical Trial Description

BACKGROUND. Patients suffering from severe burn injury are often confronted with life-threatening complications such as absence of the protective skin barrier which eventually lead to infections, sepsis and even death. The standard therapy for deep and full thickness burns consists of surgical debridement and coverage with autologous split thickness skin grafts (STSG) which normally results in a fast closure of the wounds contributing to an increased survival rate for burn victims. However, these thin skin grafts almost exclusively consist of epidermis only and due to the absence of most of the thicker dermal layer, which is crucial for the mechanical properties of the skin, the healing of these burn wounds inevitably results in hypertrophic and unaesthetic scar formation and contractures. Subsequently a long and difficult rehabilitation follows often with in the end poor aesthetic and functional long-term results and frequent psychological problems. Ideally, both skin layers (epidermis+dermis) should be reconstructed to improve the scar quality and therefore the quality of life after burns. As a consequence, dermal substitutes are necessary but the extremely high cost of all currently available dermal substitutes still is a major obstacle for its widespread application. SCIENTIFIC APPROACH. At the burn center of the Ghent University Hospital a significant amount lot of research has been targeted towards the development of a dermal substitute based on glycerolized allogenic skin grafts (Glyaderm). The use of human skin for dermal substitutes is ideal because the natural 3D network of collagen and elastin fibers is already provided and can be preserved. In order to prevent rejection our research group, together with the Euro Tissue Bank (ETB), developed a method of decellularization with a low concentration of sodium hydroxide (NaOH). Previous publications from our research team have demonstrated the beneficial effects of Glyaderm compared to STSG-only application. Unfortunately, our initial protocol required an additional surgical procedure to allow for optimal ingrowth of the dermal substitute before the STSG could be applied. This increased not only the time to healing but also the costs involved. Within the last two years a pilot study has demonstrated that further optimization of the substitute and of the procedure resulted in a successful simultaneous application of Glyaderm and STSG. The scientific objective of this project is to obtain the necessary clinical evidence for this improved applicability of Glyaderm in deep burns or full thickness skin defects by providing a bilayered reconstruction of the skin with simultaneous application of this dermal substitute combined with a STSG in a one surgical procedure. The scientific approach will consist of performing a large prospective, controlled, randomized, intra-individual comparative clinical study, investigating simultaneous application of Glyaderm + STSG versus STSG alone in deep burns and other full thickness skin defects. Power calculation determined that a total of 75 patients must be included: both early outcome parameters (graft take, ingrowth, and time to healing) as well as late outcome measurements (scar characteristics, quality of life, histology) will be evaluated up to 12 months post burn. UTILIZATION. A recent report of the Kennis Centrum/Centre d'Expertise (KCE) demonstrated that each year more than 2500 (severely) burned patients are admitted to a Belgian hospital or burn center with the majority of them requiring surgical therapy (ref). The utilization objective of this project is to make Glyaderm universally available for the treatment of patients with deep burns or other full thickness skin defects. This effective, low-cost and easy-to-use dermal substitute should facilitate the patient's rehabilitation by providing a more aesthetic scar formation with less functional impairment. The ultimate goal is an improved quality of life for the patient with a better reintegration of the burn victims into society. Our utilization strategy will focus on the actual application of the study results for the patient's well-being and an important role hereby is reserved for the Advisory Committee. For this purpose we have extended an already existing network of major stakeholders who all are committed to the clinical utilization process. Included in this group are representatives of: patients' self-help groups, the Belgian Burn Foundation, an inter-mutualistic committee, a representative from the RIZIV (national health care reimbursement organization), of health economics and from Belgian and Dutch tissue banks. If indeed the results of our clinical study demonstrate an improved aesthetic and functional outcome as well as a significant reduction in time to heal and operative costs, then this should eventually lead to a better reimbursement, even in the current era of budget restrictions. Implementation of Glyaderm as a readily-available and easy to use reconstructive tool into the existing armamentarium of the surgeon will be realized through workshops, training courses as well as presentation in national and international congresses. The ultimate goal is to establish a universal application of this cost-effective dermal substitute in Flanders and due to the simplicity of the decellularization procedure also throughout Belgium and even worldwide. Glyaderm could be used on all aesthetically or functionally important places and even more so in children and in economically disadvantaged patients. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06249971
Study type Interventional
Source University Hospital, Ghent
Contact
Status Completed
Phase N/A
Start date February 1, 2017
Completion date September 30, 2021

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