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Baldrick P. Nonclinical Testing Evaluation of Liposomes as Drug Delivery Systems. Int J Toxicol 2023; 42:122-134. [PMID: 36571279 DOI: 10.1177/10915818221148436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Various marketed drugs, as well as many in-development, have utilized liposomes, vesicles composed of one or more phospholipid bilayers, as a drug delivery system, often with the statement that they are "non-toxic" materials. This paper examined safety testing considerations and reviewed nonclinical packages used to support the safe clinical use and marketing of drugs using a liposomal drug delivery system, including liposome-only study findings. It was found that most experience has come from use of an established drug (especially in the oncology field) in a liposome formulation with known excipients. From this knowledge, it is proposed that the minimal package of studies (using an oncology indication as an example) needed to support clinical entry should include in vivo pharmacology in selected mouse xenograft models, pharmacokinetic characterization showing enhanced kinetics or disposition and including tumor exposure evaluation along with repeat-dose toxicity testing in one species. It was also found that the liposomes used in drug delivery systems are not truly "non-toxic" materials. However, the majority of findings in toxicity testing relate to macrophage processing of large amounts of lipid material, with no human known safety consequence. Of note, however, are cases of hypersensitivity for some PEGylated liposome forms which translate to the clinic.
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Affiliation(s)
- Paul Baldrick
- Product Development and Market Access Consulting, Clinical Development & Commercialization Services, 63899Labcorp Drug Development Ltd. (formerly Covance), Harrogate, UK
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2
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Baldrick P, McIntosh B, Prasad M. Adeno-associated virus (AAV)-based gene therapy products: What are toxicity studies in non-human primates showing us? Regul Toxicol Pharmacol 2023; 138:105332. [PMID: 36592683 DOI: 10.1016/j.yrtph.2022.105332] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/23/2022] [Accepted: 12/28/2022] [Indexed: 01/01/2023]
Abstract
A number of adeno-associated virus (AAV)-based gene therapy products have entered clinical development, with a few also reaching marketing approval. However, as our knowledge of them grows from nonclinical and clinical testing, it has become apparent that various actual and theoretical safety issues can arise from their use. This review of 19 Good Laboratory Practice (GLP)-compliant toxicity studies in non-human primates (NHPs) with AAV-based gene therapy products via a variety of different dose routes in the period 2017-2021 showed results ranging from no study findings different from controls, or findings considered to be non-adverse, to actual toxicity, with changes highlighting careful monitoring in the clinic. Similar findings were found from a review of a number of published toxicity studies in NHPs. It was confirmed that studies have a role in evaluating for dorsal root ganglion (DRG) and/or peripheral nerve toxicity, hepatotoxicity, adverse immunogenicity and, to a lesser degree, insertional mutagenesis as well as other potential unacceptable findings such as adverse inflammation for ocular therapy candidates. Overall, it was demonstrated that toxicity (and biodistribution) studies in NHPs are a vital part of the safety assessment of AAV-based gene therapy products prior to clinical entry.
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Affiliation(s)
- Paul Baldrick
- Product Development and Market Access Consulting, Clinical Development & Commercialisation Services, Labcorp Drug Development Inc. (formerly Covance), Harrogate, North Yorkshire, HG3 1PY, United Kingdom
| | - Brian McIntosh
- Cell and Gene Therapy, Safety Assessment, Toxicology, Labcorp Drug Development Inc. (formerly Covance), Madison, WI, 53704, USA.
| | - Mayuri Prasad
- Cell and Gene Therapy, Safety Assessment, Toxicology, Labcorp Drug Development Inc. (formerly Covance), Madison, WI, 53704, USA.
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Baldrick P. Development of COVID-19 therapies: Nonclinical testing considerations. Regul Toxicol Pharmacol 2022; 132:105189. [PMID: 35609793 PMCID: PMC9122883 DOI: 10.1016/j.yrtph.2022.105189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/08/2022] [Accepted: 05/17/2022] [Indexed: 01/17/2023]
Abstract
Therapies have been developed in the last couple of years to allow vaccination against, or treatment of patients with, COVID-19 using pathways such as Emergency Use Authorization (EUA) in the USA and Conditional Marketing Authorization (CMA) in the EU and UK. However, nonclinical studies were performed to allow such authorization and these were reviewed for 6 vaccines, 7 biological (monoclonal antibodies [mAbs]) and 4 small molecule therapies to examine whether the number and types of studies normally needed for regulatory agency authorization have been reduced. Results showed that the short answer is generally no. Thus, a battery of immunogenicity/efficacy or related pharmacology/biological activity studies showing utility against SARS-CoV-2 were performed as well as general toxicity studies across all 3 compound classes along with pharmacokinetic studies for mAbs and small molecules and, reproduction toxicity testing for vaccines and small molecules; additionally, genotoxicity testing occurred for small molecules. What was different from conventional, lengthy drug development, was that for vaccines and small molecules, leverage to existing platform technology or data available for other development programs, respectively, occurred. Recognition that mAbs can target the spike protein leading to neutralization allowed rapid development into clinical candidates.
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Affiliation(s)
- Paul Baldrick
- Clinical Development & Commercialisation Services, Labcorp Drug Development Inc. (formerly Covance), Harrogate, North Yorkshire, HG3 1PY, United Kingdom.
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Successful regulatory agency interaction – A nonclinical regulatory strategist's perspective. Regul Toxicol Pharmacol 2022; 130:105130. [DOI: 10.1016/j.yrtph.2022.105130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 01/31/2022] [Indexed: 11/20/2022]
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Baldrick P. Genotoxicity test battery - An assessment of its utility in early drug development. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2021; 868-869:503388. [PMID: 34454694 DOI: 10.1016/j.mrgentox.2021.503388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/22/2021] [Accepted: 07/24/2021] [Indexed: 11/27/2022]
Abstract
Formal requirements for genotoxicity testing of drug candidates to support clinical entry have been in place since the issue of initial regulatory guidance over 25 years ago and subsequent update a decade ago. An evaluation of such testing, supporting first clinical entry of 108 small molecule drug candidates over the last decade, showed that the most common approach (75 % of tested compounds) was for a Good Laboratory Practice test battery in the form of 2 in vitro (a bacterial reverse mutation and a mammalian cell) assays and one in vivo assay. The majority of other tested compounds involved in vitro testing only in bacterial reverse mutation and mammalian cell assays. Testing using a bacterial reverse mutation assay and an in vivo assessment of genotoxicity with 2 different tissues was limited to 2 occasions. For in vitro mammalian cell testing, the chromosome aberration test was most commonly used (70 % occasions), followed by a micronucleus test (16 % occasions) or a mouse lymphoma assay (14 % occasions). For in vivo evaluation, the most common test was a rodent bone marrow micronucleus test (87 % occasions). A positive in vitro mammalian cell assay result was seen on 13 % occasions but was not confirmed with further in vivo testing and the drug candidates were taken into the clinic. In conclusion, the present evaluation showed that the current test battery paradigm for genotoxicity testing has an integral part in supporting clinical entry to confirm candidate drugs taken into the clinic are unlikely to have genotoxic activity.
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Affiliation(s)
- Paul Baldrick
- Product Development and Market Access Consulting, Clinical Development & Commercialisation Services, Labcorp Drug Development Inc. (formerly Covance), Harrogate, North Yorkshire, HG3 1PY, United Kingdom.
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Namdari R, Jones K, Chuang SS, Van Cruchten S, Dincer Z, Downes N, Mikkelsen LF, Harding J, Jäckel S, Jacobsen B, Kinyamu-Akunda J, Lortie A, Mhedhbi S, Mohr S, Schmitt MW, Prior H. Species selection for nonclinical safety assessment of drug candidates: Examples of current industry practice. Regul Toxicol Pharmacol 2021; 126:105029. [PMID: 34455009 DOI: 10.1016/j.yrtph.2021.105029] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 08/04/2021] [Accepted: 08/18/2021] [Indexed: 11/25/2022]
Abstract
In drug development, nonclinical safety assessment is pivotal for human risk assessment and support of clinical development. Selecting the relevant/appropriate animal species for toxicity testing increases the likelihood of detecting potential effects in humans, and although recent regulatory guidelines state the need to justify or dis-qualify animal species for toxicity testing, individual companies have developed decision-processes most appropriate for their molecules, experience and 3Rs policies. These generally revolve around similarity of metabolic profiles between toxicology species/humans and relevant pharmacological activity in at least one species for New Chemical Entities (NCEs), whilst for large molecules (biologics) the key aspect is similarity/presence of the intended human target epitope. To explore current industry practice, a questionnaire was developed to capture relevant information around process, documentation and tools/factors used for species selection. Collated results from 14 companies (Contract Research Organisations and pharmaceutical companies) are presented, along with some case-examples or over-riding principles from individual companies. As the process and justification of species selection is expected to be a topic for continued emphasis, this information could be adapted towards a harmonized approach or best practice for industry consideration.
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Affiliation(s)
| | | | | | | | - Zuhal Dincer
- Labcorp Early Development Laboratories Ltd, Harrogate, UK
| | | | | | | | | | - Björn Jacobsen
- Roche Pharmaceutical Research and Early Development, Pharmaceutical Sciences, Roche Innovation Center Basel, Switzerland
| | | | | | | | - Susanne Mohr
- Roche Pharmaceutical Research and Early Development, Pharmaceutical Sciences, Roche Innovation Center Basel, Switzerland
| | | | - Helen Prior
- National Centre for the Replacement Refinement & Reduction of Animals in Research (NC3Rs), London, UK
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Baldrick P. Core battery safety pharmacology testing - An assessment of its utility in early drug development. J Pharmacol Toxicol Methods 2021; 109:107055. [PMID: 33813006 DOI: 10.1016/j.vascn.2021.107055] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/11/2021] [Accepted: 03/27/2021] [Indexed: 02/06/2023]
Abstract
Requirements for safety pharmacology testing have been in place since the issue of initial regulatory guidance over 20 years ago. An evaluation of such testing, supporting first clinical entry of 105 small molecule drug candidates over the last decade, showed that a "core battery" of in vitro electrophysiological (hERG), conscious non-rodent telemetry cardiovascular, rodent central nervous system (CNS) (modified Irwin's or functional observational battery [FOB] test) and respiratory function (plethysmography) studies was performed. Routine use of the latter 2 studies appears to have limited utility, with only 21% and 28% of studies, respectively, giving findings of which none were identified as of obvious concern to moving the affected drugs into the clinic. The use of a stand-alone hERG assay does not appear to be particular sensitive in predicting proarrythmic risk as a tool by itself. Telemetry study testing had utility especially for identifying effects on QTc interval (about 10% of studies), resulting on some occasions in a lower clinical starting dose and/or increased awareness for potential effects on the cardiovascular system in the Phase I study. Overall, this investigation provides information supporting an overhaul of the current "box ticking" core battery approach used for safety pharmacology testing. However, in order to achieve a more focused examination to investigate potential undesirable pharmacodynamic effects of a new candidate drug and also support 3Rs (Replacement, Reduction and Refinement) thinking in performing unnecessary studies, there will not only need to be a sea change by drug developers but also a change in current regulatory guidance.
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Affiliation(s)
- Paul Baldrick
- Strategic Product Development Consulting, Covance Clinical & Commercialisation Services, Covance, Harrogate, North Yorkshire HG3 1PY, United Kingdom.
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Baldrick P, Reichl A. Nonclinical & clinical interface - extrapolation of nonclinical data to support Phase I clinical studies. Regul Toxicol Pharmacol 2021; 121:104869. [DOI: 10.1016/j.yrtph.2021.104869] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/09/2020] [Accepted: 01/05/2021] [Indexed: 02/07/2023]
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Prior H, Haworth R, Labram B, Roberts R, Wolfreys A, Sewell F. Justification for species selection for pharmaceutical toxicity studies. Toxicol Res (Camb) 2020; 9:758-770. [PMID: 33442468 PMCID: PMC7786171 DOI: 10.1093/toxres/tfaa081] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/17/2020] [Accepted: 09/22/2020] [Indexed: 12/15/2022] Open
Abstract
Toxicity studies using mammalian species are generally required to provide safety data to support clinical development and licencing registration for potential new pharmaceuticals. International regulatory guidelines outline recommendations for the order (rodent and/or non-rodent) and number of species, retaining flexibility for development of a diverse range of drug modalities in a manner relevant for each specific new medicine. Selection of the appropriate toxicology species involves consideration of scientific, ethical and practical factors, with individual companies likely having different perspectives and preferences regarding weighting of various aspects dependent upon molecule characteristics and previous experience of specific targets or molecule classes. This article summarizes presentations from a symposium at the 2019 Annual Congress of the British Toxicology Society on the topic of species selection for pharmaceutical toxicity studies. This symposium included an overview of results from a National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs) and Association of British Pharmaceutical Industry (ABPI) international collaboration that reviewed the use of one or two species in regulatory toxicology studies and justification for the species selected within each programme. Perspectives from two pharmaceutical companies described their processes for species selection for evaluation of biologics, and justification for selection of the minipig as a toxicological species for small molecules. This article summarizes discussions on the scientific justification and other considerations taken into account to ensure the most appropriate animal species are used for toxicity studies to meet regulatory requirements and to provide the most value for informing project decisions.
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Affiliation(s)
- Helen Prior
- National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs), 215 Euston Rd, London, NW1 2BE, UK
| | | | - Briony Labram
- National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs), 215 Euston Rd, London, NW1 2BE, UK
| | - Ruth Roberts
- ApconiX, Alderley Park, Alderley Edge, SK10 4TG, UK
| | | | - Fiona Sewell
- National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs), 215 Euston Rd, London, NW1 2BE, UK
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Animal Safety, Toxicology, and Pharmacokinetic Studies According to the ICH S9 Guideline for a Novel Fusion Protein tTF-NGR Targeting Procoagulatory Activity into Tumor Vasculature: Are Results Predictive for Humans? Cancers (Basel) 2020; 12:cancers12123536. [PMID: 33256235 PMCID: PMC7759859 DOI: 10.3390/cancers12123536] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 11/18/2020] [Accepted: 11/24/2020] [Indexed: 12/18/2022] Open
Abstract
Simple Summary Non-clinical safety, toxicology, and pharmacokinetic studies according to ICH guidelines with a new fusion protein tTF-NGR consisting of human truncated tissue factor (TF) and a small targeting peptide are reported. Results are compared with those of a phase I clinical dose escalation trial with tTF-NGR in cancer patients. Most of the non-clinical results were not predictive for human tolerability. Thus, animal sparing alternative pathways for translation of such a bio-pharmaceutical compound from preclinical studies on efficacy and mode of action into the clinic are discussed. Abstract Background: CD-13 targeted tissue factor tTF-NGR is a fusion protein selectively inducing occlusion of tumor vasculature with resulting tumor infarction. Mechanistic and pharmacodynamic studies have shown broad anti-tumor therapeutic effects in xenograft models. Methods: After successful Good Manufacturing Practice (GMP) production and before translation into clinical phase I, ICH S9 (S6) guideline-conforming animal safety, toxicology, and pharmacokinetic (PK) studies were requested by the federal drug authority in accordance with European and US regulations. Results: These studies were performed in mice, rats, guinea pigs, and beagle dogs. Results of the recently completed clinical phase I trial in end-stage cancer patients showed only limited predictive value of these non-clinical studies for patient tolerability and safety in phase I. Conclusions: Although this experience cannot be generalized, alternative pathways with seamless clinical phase 0 microdosing—phase I dose escalation studies are endorsed for anticancer drug development and translation into the clinic.
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Baldrick P, Cosenza ME, Alapatt T, Bolon B, Rhodes M, Waterson I. Toxicology Paradise: Sorting Out Adverse and Non-adverse Findings in Animal Toxicity Studies. Int J Toxicol 2020; 39:365-378. [PMID: 32618214 DOI: 10.1177/1091581820935089] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
A challenge for all toxicologists is defining what study findings are actually adverse versus non-adverse in animal toxicity studies, and which ones are relevant for generating a no observed adverse effect level (NOAEL) to assess human risk. This article presents views on this challenge presented by toxicologists, toxicologic pathologists, and regulatory reviewers at the 2019 annual meeting of the American College of Toxicology during a workshop entitled "Toxicology Paradise: Sorting Out Adverse and Non-adverse Findings." The speakers noted that setting a NOAEL is not always straightforward, not only for small molecules but also for biopharmaceuticals, and that a "weight of evidence" approach often is more useful than a rigid threshold-setting algorithm. Regulators from the US Food and Drug Administration and European Union told how assessment of adverse nonclinical findings is undertaken to allow clinical studies to commence and drug marketing approvals to succeed, along with the process that allows successful dialogs with regulators. Nonclinical case studies of findings judged to be adverse versus non-adverse were presented in relation to the many factors that might halt or delay clinical development. The process of defining adverse findings and the NOAEL in final study reports was discussed, as well as who should be involved in the process.
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Prior H, Baldrick P, Beken S, Booler H, Bower N, Brooker P, Brown P, Burlinson B, Burns-Naas LA, Casey W, Chapman M, Clarke D, de Haan L, Doehr O, Downes N, Flaherty M, Gellatly N, Moesgaard SG, Harris J, Holbrook M, Hui J, Jones D, Jones K, Kedar H, Mahl A, Manninen A, McGuire A, Mortimer-Cassen E, Peraza M, Pugsley MK, Richard J, Roberts R, Roosen W, Rothfuss A, Schoenmakers A, Sewell F, Weaver R, Weir L, Wolfreys A, Kimber I. Opportunities for use of one species for longer-term toxicology testing during drug development: A cross-industry evaluation. Regul Toxicol Pharmacol 2020; 113:104624. [PMID: 32126256 DOI: 10.1016/j.yrtph.2020.104624] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 02/19/2020] [Accepted: 02/25/2020] [Indexed: 12/21/2022]
Abstract
An international expert working group representing 37 organisations (pharmaceutical/biotechnology companies, contract research organisations, academic institutions and regulatory bodies) collaborated in a data sharing exercise to evaluate the utility of two species within regulatory general toxicology studies. Anonymised data on 172 drug candidates (92 small molecules, 46 monoclonal antibodies, 15 recombinant proteins, 13 synthetic peptides and 6 antibody-drug conjugates) were submitted by 18 organisations. The use of one or two species across molecule types, the frequency for reduction to a single species within the package of general toxicology studies, and a comparison of target organ toxicities identified in each species in both short and longer-term studies were determined. Reduction to a single species for longer-term toxicity studies, as used for the development of biologicals (ICHS6(R1) guideline) was only applied for 8/133 drug candidates, but might have been possible for more, regardless of drug modality, as similar target organ toxicity profiles were identified in the short-term studies. However, definition and harmonisation around the criteria for similarity of toxicity profiles is needed to enable wider consideration of these principles. Analysis of a more robust dataset would be required to provide clear, evidence-based recommendations for expansion of these principles to small molecules or other modalities where two species toxicity testing is currently recommended.
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Affiliation(s)
- Helen Prior
- National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs), Gibbs Building, 215 Euston Road, London, NW1 2BE, UK.
| | - Paul Baldrick
- Covance Laboratories Ltd, Otley Road, Harrogate, HG3 1PY, UK
| | - Sonja Beken
- Federal Agency for Medicines and Health Products (FAMHP), Victor Hortaplace 40/40, Brussels, 1060, Belgium
| | - Helen Booler
- Genentech, Inc, 1 DNA Way, South San Francisco, CA, 94080, USA
| | - Nancy Bower
- Eisai Inc, 155 Tice Blvd, Woodcliff Lake, NJ, 07677, USA
| | - Paul Brooker
- Board member, NC3Rs, Gibbs Building, 215 Euston Road, London, NW1 2BE, UK
| | - Paul Brown
- Food and Drug Administration (FDA), 10903 New Hampshire Avenue, Silver Spring, MD, 20993, USA
| | | | | | - Warren Casey
- National Toxicology Program Interagency Center for the Evaluation of Alternative Toxicological Methods (NICEATM), National Institute of Environmental Health Sciences, P.O. Box 12233, Research Triangle Park, NC, 27709, USA
| | - Melissa Chapman
- Oncology Safety, Clinical Pharmacology and Safety Sciences,R&D, AstraZeneca, Cambridge, UK
| | - David Clarke
- Lilly Research Laboratories, Indianapolis, IN, 46285, USA
| | - Lolke de Haan
- Biologics and Advanced Therapeutics Safety, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge, UK
| | - Olaf Doehr
- Bayer Pharma AG, Müllerstrasse 170, 13353, Berlin, Germany
| | - Noel Downes
- Sequani Limited, Bromyard Rd, Ledbury, Herefordshire, HR8 1LH, UK
| | - Meghan Flaherty
- Takeda Pharmaceuticals, 300 Massachusetts Ave, Cambridge, MA, 02139, USA
| | - Nichola Gellatly
- National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs), Gibbs Building, 215 Euston Road, London, NW1 2BE, UK
| | | | - Jennifer Harris
- Association of British Pharmaceutical Industry (ABPI), 105 Victoria Street, London, SW1E 6QT, UK
| | | | - Julia Hui
- Celgene, 86 Morris Avenue, Summit, NJ, 07901, USA
| | - David Jones
- Medicines Healthcare products Regulatory Agency (MHRA) 10 South Colonnade, Canary Wharf, London, E14 4PU, UK
| | | | | | - Andreas Mahl
- Novartis Institutes for BioMedical Research (NIBR), Basel, Switzerland
| | | | - Aidan McGuire
- Charles River Laboratories, Preclinical Services, Tranent, Edinburgh, EH33 2NE, UK
| | - Elisabeth Mortimer-Cassen
- Regulatory Safety Centre of Excellence, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge, UK
| | - Marjorie Peraza
- Pfizer Drug Safety Research and Development, 300 Technology Square, Cambridge, MA, 02139, USA
| | | | - Jacques Richard
- Sanofi, 371 Rue du Professeur Blayac, Montpellier, 34000, France
| | - Ruth Roberts
- ApconiX, Alderley Park, Alderley Edge, Cheshire, SK10 4TG, UK
| | - Wendy Roosen
- Janssen Research & Development, Turnhoutseweg 30, 2340, Beerse, Belgium
| | - Andreas Rothfuss
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center Basel, CH - 4070, Basel, Switzerland
| | | | - Fiona Sewell
- National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs), Gibbs Building, 215 Euston Road, London, NW1 2BE, UK
| | - Richard Weaver
- Institut de Recherches Internationales Servier, Biopharmacy, 92284, Suresnes, Cedex, France
| | - Lucinda Weir
- GlaxoSmithKline, Park Road, Ware, Hertfordshire, SG12 0DP, UK
| | | | - Ian Kimber
- University of Manchester, Faculty of Biology, Medicine and Health, Oxford Rd, Manchester, M13 9PL, UK
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Prior H, Sewell F, Stewart J. Overview of 3Rs opportunities in drug discovery and development using non-human primates. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.ddmod.2017.11.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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