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Biologics License Application

Meaning

A Biologics License Application (BLA) is a formal, comprehensive submission made to the United States Food and Drug Administration (FDA) seeking official permission to market and distribute a biological product across state lines. This regulatory requirement applies to complex biological therapeutics, which include vaccines, blood components, gene therapies, and certain peptide or protein-based hormones used in clinical endocrinology. The BLA must contain exhaustive data and documentation that rigorously demonstrate the product’s safety, purity, and potency. Successful licensure indicates that the manufacturing process and the final product meet the highest federal standards for quality and clinical utility.