Receives FDA Complete Response Letter (CRL) based on need for additional CMC information
CRL did not identify deficiencies related to clinical efficacy or clinical safety data in BLA, and no new clinical studies requested by FDA to support approval
Anticipates completing and submitting requested CMC information in 3Q 2024
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The information needed to satisfy the CMC requests in the CRL pertains to validation requirements for certain manufacturing and release testing methods, including some that were captured in the observations during the FDA’s pre-license inspection (PLI). The CRL did not identify any deficiencies related to the clinical efficacy or clinical safety data in the BLA, and the FDA did not request any new clinical trials or clinical data to support the approval of pz-cel.
“While we are surprised and disappointed by this CRL, we are committed to providing the CMC information necessary to respond to the agency’s asks, with the goal of bringing pz-cel to patients with RDEB as quickly as possible,” said
The BLA for pz-cel was accepted for filing and granted priority review designation by the FDA in
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About prademagene zamikeracel (pz-cel)
Prademagene zamikeracel (pz-cel), Abeona’s investigational autologous, COL7A1 gene-corrected epidermal sheets, is currently being developed for the treatment of recessive dystrophic epidermolysis bullosa (RDEB), a rare connective tissue disorder caused by a defect in the COL7A1 gene that results in the inability to produce Type VII collagen. 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. Pz-cel is being investigated for its ability to enable normal Type VII collagen expression and to facilitate wound healing and pain reduction in even the toughest-to-treat RDEB wounds after a one-time application procedure. The pivotal Phase 3 VIITAL™ study is a randomized clinical trial that evaluated the efficacy, safety and tolerability of pz-cel in 43 large chronic wound pairs in 11 subjects with RDEB. Pz-cel has been granted Regenerative Medicine Advanced Therapy, Breakthrough Therapy, Orphan Drug and Rare Pediatric Disease designations by the
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Forward-Looking Statements
This press release contains certain statements that are forward-looking within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and that involve risks and uncertainties. We have attempted to identify forward-looking statements by such terminology as “may,” “will,” “believe,” “anticipate,” “expect,” “intend,” “potential,” and similar words and expressions (as well as other words or expressions referencing future events, conditions or circumstances), which constitute and are intended to identify forward-looking statements. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, numerous risks and uncertainties, including but not limited to, the timing and results of ongoing testing and other corrective actions being performed in response to the FDA’s identified deficiencies, which could delay the Company’s BLA resubmission; the timing and outcome of the FDA’s review of our resubmission; the FDA’s grant of a Priority Review Voucher upon approval; continued interest in our rare disease portfolio; our ability to enroll patients in clinical trials; the outcome of future meetings with the FDA or other regulatory agencies, including those relating to preclinical programs; the ability to achieve or obtain necessary regulatory approvals; the impact of any changes in the financial markets and global economic conditions; risks associated with data analysis and reporting; and other risks disclosed in the Company’s most recent Annual Report on Form 10-K and subsequent periodic reports filed with the
Investor and Media Contact:Greg Gin VP, Investor Relations and Corporate CommunicationsAbeona Therapeutics ir@abeonatherapeutics.com
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