FDA Cites GMPs in Abeona Inspection
FDA has completed a pre-license inspection of Abeona’s Cleveland, OH manufacturing facility concerning the company’s BLA for pz-cel (prademagene zamikeracel) for treating recessive dystrophic epidermolysis bullosa (RDEB). The firm was issued a Form 483 that cited observations related to process controls.
“During the inspection, the FDA reviewed the facilities, systems, and processes at the Cleveland site,” the company says. “The FDA also observed the manufacturing process for pz-cel, as well as performance of in-process and release assays,” it says, adding that the two-week inspection, which was conducted by five FDA inspectors, concluded on 3/1. On 3/15, Abeona says it submitted a response to Form 483, “outlining already implemented and ongoing steps toward resolution that follow FDA guidance provided during the audit.”
Additionally, Abeona says the agency has completed the clinical study site inspections at Stanford University School of Medicine in Palo Alto, CA and University of Massachusets Medical School in Worcester, MA, both of which enrolled subjects in the pivotal Phase 3 VIITAL study. Both of the clinical study site inspections ended with no Form 483 observations noted, it says.
RDEB is a rare connective tissue disorder characterized by severe skin wounds that cause pain and can lead to systemic complications impacting the length and quality of life, Abeona says. “People with RDEB have a defect in the COL7A1 gene, leaving them unable to produce functioning Type VII collagen, which is necessary to anchor the dermal and epidermal layers of the skin,” it says. Pz-cel is designed to “incorporate the functional collagen-producing COL7A1 gene into a patient’s own skin cells and enable long-term gene expression by using a retroviral vector to stably integrate into the dividing target cell genome.”
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