ABSTRACT
Characterization and prediction of the pharmacokinetics (PK) and pharmacodynamics (PD) of Antibody-Drug Conjugates (ADCs) is challenging, since it requires simultaneous quantitative understanding about the PK-PD properties of three different molecular species i.e., the monoclonal antibody, the drug, and the conjugate. Mathematical modeling and simulation provides an excellent tool to overcome these challenges, as it can simultaneously integrate the PK-PD of ADCs and their components in a quantitative manner. Additionally, the computational PK-PD models can also serve as a cornerstone for the model-based drug development and preclinical-to-clinical translation of ADCs. To provide an overview of this subject matter, this manuscript reviews the PK-PD models applicable to ADCs. Additionally, the usage of these models during different drug development stages (i.e., discovery, preclinical development, and clinical development) is also emphasized. The importance of PK-PD modeling and simulation in making rationale go/no-go decisions throughout the drug development process is also highlighted. There is an array of PK-PD models available, ranging from the systems models specifically developed for ADCs to the empirical models applicable to all chemotherapeutic agents, which one can employ for ADCs. The decision about which model to choose depends on the questions to be answered, time at hand, and resources available.
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Abbreviations
- ADC:
-
Antibody-drug conjugates
- ADME:
-
Absorption, distribution, metabolism and elimination
- AUC:
-
Area under the curve
- DAR:
-
Drug: antibody ratio
- ELISA:
-
Enzyme-linked immunosrbent assay
- IgG:
-
Immunoglobulin G
- IV:
-
Intravenous
- IVIVC:
-
In vitro-in vivo correlation
- LC-MS:
-
Liquid chromatography-mass spectrometry
- mAb:
-
Monoclonal antibody
- MBDD:
-
Model-based drug development
- mPBPK:
-
Minimal physiologically-based pharmacokinetic
- MTD:
-
Maximum tolerated dose
- NCA:
-
Non-compartmental analysis
- ORR:
-
Objective response rate
- PBPK:
-
Physiologically-based pharmacokinetic
- PD:
-
Pharmacodynamics
- PFS:
-
Progression free survival
- PK:
-
Pharmacokinetics
- PK-PD:
-
Pharmacokinetics-pharmacodynamics
- PK-TD:
-
Pharmacokinetics-toxicodynamics
- PP:
-
Proliferating population
- TDC:
-
ThioMab-drug conjugates
- T-DM1:
-
Trastuzumab-emtansine
- TGI:
-
Tumor growth inhibition
- TI:
-
Therapeutic index
- TSC:
-
Tumor static concentration
- TV:
-
Tumor volume
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Singh, A.P., Shin, Y.G. & Shah, D.K. Application of Pharmacokinetic-Pharmacodynamic Modeling and Simulation for Antibody-Drug Conjugate Development. Pharm Res 32, 3508–3525 (2015). https://doi.org/10.1007/s11095-015-1626-1
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DOI: https://doi.org/10.1007/s11095-015-1626-1