Using quantitative systems pharmacology for novel drug discovery
2015
Introduction: Over the past three decades, the predominant paradigm in drug discovery was designing selective ligands for a specific target to avoid unwanted side effects. However, in the last 5 years, the aim has shifted to take into account the biological network in which they interact. Quantitative and Systems Pharmacology (QSP) is a new paradigm that aims to understand how drugs modulate cellular networks in space and time, in order to predict drug targets and their role in human pathophysiology.Areas covered: This review discusses existing computational and experimental QSP approaches such as polypharmacology techniques combined with systems biology information and considers the use of new tools and ideas in a wider ‘systems-level’ context in order to design new drugs with improved efficacy and fewer unwanted off-target effects.Expert opinion: The use of network biology produces valuable information such as new indications for approved drugs, drug–drug interactions, proteins–drug side effects and pat...
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