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Updated: Feb 26, 2026

Subretinal Injection of Gene Therapy Vectors and Stem Cells in the Perinatal Mouse Eye
Published on: November 25, 2012
Development of gene therapies-lessons from nusinersen
1Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, United States Food and Drug Administration, Silver Spring, MD, USA.
Abstract:
The nusinersen development and approval process provide important lessons regarding the pathway to marketing approval for gene therapies. These lessons emphasize rigorous clinical trial design, flexibility in trial design and analysis, a collaborative effort with regular communications between the drug developer and the Food and Drug Administration (FDA), and use of FDA's expedited programs. These lessons are critical to the development of gene therapies for the treatment of serious or life-threatening rare diseases.
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