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Large Scale Purification of Plasmid DNA for Therapeutic Use

The progress in gene-therapy and DNA vaccination leads to a growing demand of therapeutic applicable plasmid DNA (pDNA). To guarantee the supply for the clinical trials and finally for the market new pDNA production processes, which meet all regulatory requirements, have to be developed. Conventional small scale techniques can not easily be transferred to the manufacturing scale (technical reasons and safety considerations). We developed a generic large scale process for highly purified plasmids “free” of bacterial contaminants which works without enzymes, detergents (except SDS during the cell lysis) and organic solvents.