NeuExcell's AAV Gene Therapy Granted FDA Orphan Drug Designation for Glioma
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FDA & EMA / 18 December 2023
NeuExcell Therapeutics has announced that its investigational AAV gene therapy, NXL-004, has received FDA Orphan Drug Designation for the treatment of malignant glioma. This pioneering treatment, based on astrocyte-to-neuron conversion, offers hope against high-mortality glioblastomas.
The U.S. Food and Drug Administration (FDA) has awarded Orphan Drug Designation (ODD) to NXL-004, an investigational adeno-associated virus (AAV) vector-based gene therapy developed by NeuExcell Therapeutics. This groundbreaking recognition marks the world's first AAV gene therapy to be designated for the treatment of malignant glioma, a devastating form of brain cancer.
Malignant gliomas, particularly glioblastoma (GBM), are among the most prevalent and aggressive primary brain tumors in adults. Characterized by their high malignancy and devastating mortality rates, the existing standard-of-care treatments, including surgery, radiotherapy, and chemotherapy, yield only a median overall survival of 15-18 months, with a dismal 5-year survival rate below 10%. The recurrence of malignant glioma remains almost inevitable, and no clearly defined standard salvage therapy exists.
NXL-004 is based on the innovative astrocyte-to-neuron (AtN) conversion platform pioneered by Professor Gong Chen. In preclinical studies, this therapy has demonstrated both encouraging efficacy and a favorable safety profile. It is scheduled to embark on first-in-human clinical trials in early 2024. The FDA's Orphan Drug Designation paves the way for regulatory support crucial to its development.
The U.S. Orphan Drug Act provides a range of regulatory benefits to drugs awarded ODD. These include tax credits for clinical trial expenses, exemption from new drug application fees, and a significant 7-year market exclusivity following product approval. This designation expedites the development of NXL-004, offering a potential breakthrough in the treatment of patients with malignant glioma.
The granting of ODD to NXL-004 by the FDA signifies a pivotal moment not only for NeuExcell but for the broader medical community combating malignant glioma. As this innovative therapy advances into clinical trials, it signifies a potential turning point in the pursuit of effective treatments for this challenging condition for patients worldwide.
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