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Abeona Therapeutics® Announces FDA Acceptance of BLA Resubmission of Pz-cel for the Treatment of Recessive Dystrophic Epidermolysis Bullosa

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Abeona Therapeutics Inc.
Abeona Therapeutics Inc.

FDA assigns PDUFA target action date of April 29, 2025

CLEVELAND, Nov. 12, 2024 (GLOBE NEWSWIRE) -- Abeona Therapeutics Inc. (Nasdaq: ABEO) today announced that the U.S. Food and Drug Administration (FDA) has accepted for review Abeona’s resubmission of its Biologics License Application (BLA) for prademagene zamikeracel (pz-cel), its investigational autologous cell-based gene therapy, as a potential new treatment for recessive dystrophic epidermolysis bullosa (RDEB). The FDA has assigned a Prescription Drug User Fee Act (PDUFA) target action date of April 29, 2025.

“The FDA acceptance of our BLA resubmission moves us one step closer to providing pz-cel as a differentiated treatment option to address the persistent unmet needs of people with RDEB in the U.S.,” said Vish Seshadri, Chief Executive Officer of Abeona. “We look forward to continuing to work with the FDA to finalize the review of the pz-cel application.”

The BLA resubmission is supported by clinical efficacy and safety data after a one-time administration of pz-cel from the pivotal Phase 3 VIITAL™ study (NCT04227106) and a Phase 1/2a study (NCT01263379) with up to 8 years of follow-up. If approved, pz-cel would be the first autologous, cell-based gene therapy for RDEB, and the first RDEB treatment designed to provide collagen VII expression at wound sites via a stably integrated copy of the COL7A1 gene.

The Company’s BLA for pz-cel was previously accepted for Priority Review by the FDA for patients with RDEB. Abeona may be eligible for a Priority Review Voucher (PRV) should pz-cel be approved.

About prademagene zamikeracel (pz-cel)
Prademagene zamikeracel (pz-cel), Abeona’s investigational autologous, COL7A1 gene therapy, is currently being developed for the treatment of recessive dystrophic epidermolysis bullosa (RDEB), a rare genetic skin disease caused by a mutation in both copies of the COL7A1 gene. As a result of this defect, cells are unable to express functional collagen VII protein which is needed to form anchoring fibrils that bond the epidermis to the dermis. Lack of anchoring fibrils leads to fragile skin that blisters easily and patients suffer from years of painful wounds, itch and increased risk of infection and squamous cell carcinoma. Pz-cel is made from patients' own skin cells that are genetically corrected with a functional COL7A1 gene integrated into the skin cells’ genome to express collagen VII. These gene-corrected cells are expanded to form keratinocyte sheets to cover wound areas in a single surgical application. Pz-cel has been granted Regenerative Medicine Advanced Therapy, Breakthrough Therapy, Orphan Drug and Rare Pediatric Disease designations by the U.S. FDA.