• Transl Res · Jan 2022

    Optimization of pig models for translation of subcutaneous pharmacokinetics of therapeutic proteins: Liraglutide, insulin aspart and insulin detemir.

    • Karen-Margrethe Pedersen, Anna Katrina Jógvansdóttir Gradel, Trine Pagh Ludvigsen, Berit Østergaard Christoffersen, Caroline Amalie Fuglsang-Damgaard, Kristian Moss Bendtsen, Suzi Høgh Madsen, Valentina Manfé, and Hanne Hoffmann Frølund Refsgaard.
    • Global Drug Discovery, Novo Nordisk A/S, Novo Nordisk Park 1, DK-2760 Måløv.
    • Transl Res. 2022 Jan 1; 239: 71-84.

    AbstractPrediction of human pharmacokinetics (PK) from data obtained in animal studies is essential in drug development. Here, we present a thorough examination of how to achieve good pharmacokinetic data from the pig model for translational purposes by using single-species allometric scaling for selected therapeutic proteins: liraglutide, insulin aspart and insulin detemir. The predictions were based on non-compartmental analysis of intravenous and subcutaneous PK data obtained from two injection regions (neck, thigh) in two pig breeds, domestic pig and Göttingen Minipig, that were compared with PK parameters reported in humans. The effects of pig breed, injection site and injection depth (insulin aspart only) on the PK of these proteins were also assessed. Results show that the prediction error for human PK was within two-fold for most PK parameters in both pig breeds. Furthermore, pig breed significantly influenced the plasma half-life and mean absorption time (MAT), both being longer in Göttingen Minipigs compared to domestic pigs (P <0.01). In both breeds, thigh vs neck dosing was associated with a higher dose-normalized maximum plasma concentration and area under the curve as well as shorter MAT and plasma half-life (P <0.01). Finally, more superficial injections resulted in faster absorption, higher Cmax/dose and bioavailability of insulin aspart (P <0.05, 3.0 vs 5.0 mm injection depth). In conclusion, pig breed and injection region affected the PK of liraglutide, insulin aspart and insulin detemir and reliable predictions of human PK were demonstrated when applying single-species allometric scaling with the pig as a pre-clinical animal model.Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.

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