Helen Gregory 2

Helen Gregory

Senior Toxicologist

UKRT/ERT

Helen joined bibra in 2017, having previously worked as an analytical chemist and forensic toxicologist for nearly twenty years. She has an honours degree in biochemistry and toxicology from the University of Surrey and is a RSB/BTS and European Registered Toxicologist (ERT).

Helen has worked for clients from a range of industrial sectors, including consumer products, food/food contact, pharmaceuticals and medical devices. She routinely performs hazard and/or risk assessments on chemicals, including additives, flavourings, pharmaceutical impurities, degradants, and extractables and leachables. She also evaluates the biocompatibility and safety of medical devices in compliance with ISO 10993 and ISO 18562. Another area of interest is endocrine disruptors and the regulation thereof. Helen has produced extensive reviews of the state-of-the science for clients, and has been involved in data collation for plant protection products.

Helen is also involved in the production of bibra’s monthly publication, Toxicology and Regulatory News, writing and/or peer-reviewing brief evaluative summaries describing critical developments and reports relevant to the field of mammalian toxicology.

Helen is an external assessor for the British Science Association CREST scheme, assessing Silver and Gold level student-led project work in the STEM subjects (science, technology, engineering and maths).

Helen's case studies and blog posts

Toxicological risk assessment of leachables from a combination product

Case study

The client was developing a ready-to-use (RTU) process for the administration of a viral-based product in a clinical setting. Bibra was requested to assist with the assessment of extractables during the development phase and leachables in the final RTU process - viral vector product.

Biocompatibility review under ISO 18562 guidelines

Case study

The client commissioned bibra to review a biocompatibility report following feedback from US FDA.

The Expert Toxicologist has left the building. Or have they?

Blog articles

With generative Artificial Intelligence (AI) technology advancing rapidly, we look into AI generated toxicology content and decide whether or not we should “get our coats”.

Want to read more case studies and blog posts that Helen has been involved in? Click below to read more.

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