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BACKGROUND AND OBJECTIVES: A human plasma-derived butyrylcholinesterase preparation manufactured on the industrial scale is described. MATERIAL AND METHODS: The human butyrylcholinesterase (hBChE) product was extensively investigated for its purity using immunological and electrophoretic methods and characterized by thorough glycoproteomic approaches. A comprehensive preclinical testing programme addressing safety and pharmacokinetic parameters supplemented the biochemical characterization. RESULTS: The high-purity hBChE preparation is tetrameric and has high specific activity and molecular integrity of the protein backbone. Acute toxicity studies and in vivo thrombogenicity studies provided evidence of a sufficient safety margin for use in humans. CONCLUSION: Extensive preclinical safety and pharmacokinetic testing confirmed that this hBChE preparation can be used for further efficacy testing as a bioscavenger for toxic organophosphate compounds in appropriate animal models and ultimately in humans.
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Weber et al. (2010) studied this question.
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