Autograft, the current standard of care for deep partial-thickness thermal burns, involves the surgical harvesting of healthy skin from an uninjured site on the patient and transplanting the skin graft to the injury, leaving the patient with more wounded areas requiring care. Each year, approximately 40,000 patients in the
"Treatment advances are needed that can help minimize or eliminate the need for autografting. The
The StrataGraft skin tissue BLA is based on data from the pivotal Phase 3 STRATA2016 clinical trial, previously published as an abstract in the
The completion of the BLA rolling submission was announced on
StrataGraft regenerative skin tissue is an investigational treatment being developed to reduce autograft in patients with severe thermal burns. An engineered, bilayer tissue, StrataGraft skin tissue is designed to mimic natural human skin with both inner dermis-like and outer epidermis-like layers. StrataGraft skin tissue can be sutured, stapled or secured with an adhesive. StrataGraft skin tissue is cryopreserved in order to deliver viable cells upon application.
Mallinckrodt is currently conducting a StrataGraft skin tissue continued access clinical trial (StrataCAT, NCT04123548) under an Expanded Access Program (EAP). The trial sites involved in the pivotal Phase 3 trial (STRATA2016, NCT03005106) have the opportunity to participate in this multicenter, open-label study. The company is planning to evaluate StrataGraft skin tissue for the treatment of adults with full-thickness burns (also referred to as third-degree burns). Additionally, Mallinckrodt plans to conduct a study evaluating StrataGraft skin tissue in treatment of pediatric populations.
StrataGraft skin tissue is an investigational product, and its safety and effectiveness have not yet been established by the FDA.
The continued development of StrataGraft skin tissue, including the pivotal Phase 3 clinical study (STRATA2016) and the BLA process for StrataGraft skin tissue in
About Deep Partial-Thickness Thermal Burns
Deep partial-thickness thermal burns are complex skin injuries in which the damage extends through the entire epidermis (outermost layer of skin) and into the lower part of the dermis (innermost layer of skin).
Autograft is considered to be a standard of care by many for deep partial-thickness thermal burns. It involves the surgical harvesting of healthy skin tissue from an uninjured site on the patient and transplanting the skin graft to the injury. While this process can be effective in providing closure of the original wound, it has significant limitations related to the donor site wounds created during surgical removal of the skin tissue for grafting. Donor site wounds are painful and can create risks of additional scarring and infection. In addition, the amount of healthy skin available for harvesting is frequently limited in those patients with large burns, necessitating sequential re-harvesting of available donor sites. As a result, there is a need for alternatives to donor site harvesting for the treatment of severe burns.
Mallinckrodt is a global business consisting of multiple wholly owned subsidiaries that develop, manufacture, market and distribute specialty pharmaceutical products and therapies. The company's Specialty Brands reportable segment's areas of focus include autoimmune and rare diseases in specialty areas like neurology, rheumatology, nephrology, pulmonology and ophthalmology; immunotherapy and neonatal respiratory critical care therapies; analgesics and gastrointestinal products. Its Specialty Generics reportable segment includes specialty generic drugs and active pharmaceutical ingredients. To learn more about Mallinckrodt, visit www.mallinckrodt.com.
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Cautionary Statements Related to Forward-Looking Statements
This release includes forward-looking statements concerning StrataGraft regenerative skin tissue, including the anticipated regulatory review process, its potential impact on patients, and anticipated benefits associated with its use. The statements are based on assumptions about many important factors, including the following, which could cause actual results to differ materially from those in the forward-looking statements: satisfaction of regulatory and other requirements; actions of regulatory bodies and other governmental authorities; changes in laws and regulations; issues with product quality, manufacturing or supply, or patient safety issues; and other risks identified and described in more detail in the "Risk Factors" section of Mallinckrodt's most recent Annual Report on Form 10-K and other filings with the
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2 United States Government Accountability Office. National Preparedness: Countermeasures for Thermal Burns. https://www.gao.gov/assets/590/588738.pdf. Accessed
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