Poor profiles of potential drug candidates, including pharmacokinetic properties, have been
acknowledged as a significant hindrance to the development of modern therapeutics. Contemporary drug
discovery and development would be incomplete without the aid of molecular modeling (in-silico) techniques,
allowing the prediction of pharmacokinetic properties such as clearance, unbound fraction,
volume of distribution and bioavailability. As with all models, in-silico approaches are subject to their
interpretability, a trait that must be balanced with accuracy when considering the development of new
methods. The best models will always require reliable data to inform them, presenting significant challenges,
particularly when appropriate in-vitro or in-vivo data may be difficult or time-consuming to obtain.
This article seeks to review some of the key in-silico techniques used to predict key pharmacokinetic
properties and give commentary on the current and future directions of the field.
Keywords: Molecular modeling, Pharmacokinetics, Clearance, Unbound fraction, Volume of distribution, Bioavailability.
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