
Andrew Teasdale
Former Head of Impurity Management & CMC Strategy

Dr. Andrew Teasdale is an expert in the field of mutagenic impurities other impurity related matters. He has advanced a number of key scientific advancements in the control of impurities as the inventor of the purge factor concept and the instigator of the development of Elemental Impurities database for excipients.
With over 50 scientific papers, he has also written 3 books focused on impurity related matters including most recently. Mutagenic Impurities – Strategies for Identification and Control Second Edition. Editor A Teasdale. Publisher Wiley. ISBN 978-1-119-55121-8
DAY 1: December 4th, 2025
SESSION: N-Nitrosamines – Past, present and future a personal reflection
◆ Current situation – level of risk.
◆ Risk Assessment – what are the main areas of concern / risk.
◆ What we have learnt from scientific Collaboration control and analysis.
◆ Safety Science and Acceptable Intakes – strengths and limitations of CPCA and EAT.
◆ What next for Nitrosamines – What would success look like.