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Adeno-Associated Viral Vectors for Clinical Gene Transfer Studies

[ Vol. 5 , Issue. 3 ]

Author(s):

Richard O. Snyder and Joyce Francis   Pages 311 - 321 ( 11 )

Abstract:


Recombinant adeno-associated viral (rAAV) vectors can mediate the safe and long-term correction of genetic diseases in animal models following a single administration. These pre-clinical studies are the basis of human trials that have shown rAAV vector persistence and safety in humans following delivery to lung, sinus, skeletal muscle, brain and liver. Transient disease correction has also been demonstrated in humans treated for hemophilia B and cystic fibrosis using AAV2 vectors. The physiochemical properties of rAAV vector virions are amenable to industry accepted manufacturing methodologies, long-term storage and direct in vivo administration. Recombinant adeno-associated virus vectors are manufactured in compliance with current Good Manufacturing Practices (cGMPs) as outlined in the Code of Federal Regulations (21CFR). To meet these requirements, manufacturing controls and quality systems are established, including 1) adequate facilities and equipment, 2) personnel who have relevant education or experience and are trained for specific assigned duties, 3) raw materials that are qualified for use and 4) a process (including production, purification, formulation, filling, storage and shipping) that is controlled, aseptic, reliable and consistent. Quality systems including Quality Control (QC) and Quality Assurance (QA) are also implemented. These manufacturing procedures and quality systems are designed so the product meets its release specifications to ensure that patients receive a safe, pure, potent and stable investigational drug.

Keywords:

adeno-associated virus, gene therapy, chromatography, purification, quality control, quality assurance, cleanroom

Affiliation:

Department of Molecular Genetics and Microbiology, PO Box 100266, 1600 SW Archer Road, Gainesville, FL 32610-0266, USA.



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