Human Tissue for Safety Pharmacology

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What is safety pharmacology?

It is a regulatory requirement that all drugs intended for human use go through safety pharmacology studies to determine the potential for adverse effect liabilities in major organ systems, including respiratory, cardiovascular and central nervous systems. This process currently relies on animal models, including mice, rats, dogs and non-human primates.

What is the NC3Rs’ role?

Together with the Medicines and Healthcare Products Regulatory Agency (MHRA) and 28 other organisations including pharmaceutical companies, contract research organisations and international regulators, the NC3Rs is working to increase the uptake of human tissue-based approaches to (1) replace the use of animals, and (2) provide more relevant and predictive tools to determine the safety of drugs entering clinical studies. By supporting the development of technologies associated with human tissue use, and facilitating discussion and collaboration, the NC3Rs aims to strengthen the evidence base for human tissue use in safety assessment.

NC3Rs/SPS Regional Meeting

In May 2017, the NC3Rs and Safety Pharmacology Society (SPS) organised an SPS regional meeting in collaboration with the University of Coventry. This one-day conference brought together scientists working with human tissue for safety assessment to discuss progress and remaining barriers to the implementation of human tissue models.

Assessing human tissue use

In 2013 the NC3Rs and SPS assessed the use of human tissue through a survey of the international safety pharmacology community which highlighted that human tissue use for safety assessment is currently limited, but there is increasing interest in adopting this approach. In 2017, the NC3Rs repeated the survey to assess progress and identify focuses for future work. 69 respondents provided information on human tissue approaches for safety assessment. 63% reported an increase in human tissue use since 2013, representing models from cardiovascular, hepatic, respiratory and gastrointestinal, nervous system and renal safety assessment. 

Regulator’s Question and Answer document: Human Tissue Use in Regulatory Applications

The NC3Rs has convened an international group of regulators to produce a consensus question and answer (Q&A) document about the use of human tissue for safety assessment, which demonstrates how researchers can use human tissue data to support regulatory applications. Participants were:

  • UK Medicines and Healthcare Products Regulatory Agency
  • Belgian Federal Agency for Medicines and Health Products
  • German Federal Institute for Drugs and Medical Devices
  • Finnish Medicines Agency

 

 

 

Case studies: Human tissue use for safety assessment

The NC3Rs has commissioned a collection of case studies illustrating how human tissue is used in safety pharmacology, in order to provide examples of current practice and guide others using these techniques.


Case Study 1: Human Vascular Tissue in Safety Assessment - Assessing Risk of Drug-induced Hypertension, Amgen Inc.

Case Study 2: Assessing the Reproductive Safety of Reverse Transcriptase Inhibitors in Human Uterine Tissues, Biopta Ltd.

Case Study 3: Human Induced Pluripotent Stem Cell-Derived Cardiomyocyte Multi-electrode Array, GlaxoSmithKline

Case Study 4: Assessment of Cardiomyocyte Contraction in Human Induced Pluripotent Stem Cell-derived Cardiomyocytes, AstraZeneca

Holmes A, Bonner, F, Jones D (2015) Assessing drug safety in human tissues - what are the barriers? Nat Rev Drug Disc doi:10.1038/nrd4662

Jackson SJ, Prior H, Holmes A (2018) The Use of Human Tissue in Safety Assessment J Pharm Tox Meth In Press

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Office-led project

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Active

NC3Rs Scientist

Dr Sam Jackson