Comparative safety assessments of the biosimilar APZ001 and Erbitux in pre-clinical animal models

Abstract Purpose: To evaluate the toxicity of Erbitux as well as its biosimilar APZ001 antibody (APZ001) in pre-clinical animal models including mice, rabbits and cynomolgus monkeys. Methods: We performed analysis of normal behavior activity, autonomic and non-autonomic nervous functions, nervous-mu...

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Published in:Acta cirúrgica brasileira 2018-08, Vol.33 (8), p.690-702
Main Authors: Wang, Xiaofei, Guo, Jianmin, Deng, Xinyu, Huang, Yuankeng, Ye, Caiguo, Liang, Huiqing, Rao, Junhua, Yang, Wei
Format: Article
Language:English
Subjects:
Biosimilar Pharmaceuticals
Cetuximab
Macaca fascicularis
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Summary:Abstract Purpose: To evaluate the toxicity of Erbitux as well as its biosimilar APZ001 antibody (APZ001) in pre-clinical animal models including mice, rabbits and cynomolgus monkeys. Methods: We performed analysis of normal behavior activity, autonomic and non-autonomic nervous functions, nervous-muscle functions, nervous excitability and sensorimotor functions on CD-1 mice. Subsequently, we studied that effects of APZ001 and Erbitux on respiratory system, cardiovascular system and kidney in Cynomolgus monkey models and performed local tolerance experiments on New Zealand rabbits. Results: The comparisons between APZ001 and Erbitux showed no significant differences in mice autonomic nervous system, nervous muscle functions, non-autonomic nervous functions, nervous excitability and sensorimotor functions between treated and untreated group (p>0.05). APZ001 and Erbitux showed negative effect on CD-1 mice in the present of pentobarbital sodium anesthesia (p>0.05). Single administrations of high, medium or low doses of APZ001 did not lead to monkey urine volume alterations (p>0.05). In human tissues, APZ001 and Erbitux showed positive signals in endocardium, lung type II alveolar epithelial cell and surrounding vessels, but showed negative results in kidney and liver tissues. No hemolysis phenomenon and serious side-effects in vessels and muscles were observed in rabbits when administrated with APZ001 and Erbitux respectively. Conclusion: The safety comparisons between APZ001 antibody and Erbitux showed that these two antibodies showed highly similarities in mice, rabbits and cynomolgus monkey animal models in consideration of pharmaceutical effects, indicating APZ001 might be a suitable substitute for Erbitux.
ISSN:0102-8650
1678-2674
DOI:10.1590/s0102-865020180080000005