Dr Andrew Teasdale


Andrew Teasdale PhD has over 20 years’ experience in the pharmaceutical industry as an analytical chemist and within quality assurance and regulatory roles. His current role is that of chair of AstraZeneca’s Impurity Advisory Board. He is a leading expert in key impurity areas, including mutagenic impurities (MIs), Elemental Impurities (EIs), Impurity qualification and Extractables and Leachables (E&Ls). As well as his role in AZ he has led many cross industry groups relating to the areas described; these include both safety and quality groups within Pharmaceutical Research and Manufacturers of America (PhRMA), European Federation of Pharmaceutical Industries and Associations (EFPIA), Extractables and Leachables Safety Information Exchange (ELSIE) and Product Quality Research Institute (PQRI). The latter focused on the critical area of sulfonate ester formation and control. He is also the editor/author of the first book on the subject of Genotoxic Impurities: Genotoxic Impurities – Strategies for Identification and Control (Wiley). He is also the inventor of the purge factor concept now routinely used in the evaluation of the potential carryover of mutagenic impurities.

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Andrew has also published more than 40 papers focused on various aspects of impurity management across all of the subjects described as well as a regular speaker at international conferences relating to Impurities. Currently Andrew is involved in development of the purge concept as a software tool, Mirabilis ™; the development of the ICH M7 addendum table and leader of an initiative to develop a cross industry database relating to elemental impurities within excipients. He is the immediate past chair of the Joint Pharmaceutical Analysis Group (JPAG) and a member of the Royal Pharmaceutical Society – Pharmaceutical Sciences Expert Advisory Panel.

In his latest project Dr Teasdale was the lead editor / author for the first definitive book focused on practical implementation of ICH Quality Guidelines – published September 2017 – Wiley and Sons.

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