Multiple receptors, enzymes, transporters, and ion channels

Multiple receptors, enzymes, transporters, and ion channels is a collective designation used in pharmacological databases to describe drugs with broad polypharmacological profiles (DrugBank, 2024). This term is typically applied when a drug's therapeutic effect is the result of interacting with a wide array of biological proteins rather than a single primary target (Nature Reviews Drug Discovery, 2019). For example, atypical antipsychotics like clozapine exert their effects by binding to various dopamine, serotonin, and adrenergic receptors, as well as certain transporters (PubMed, 2021). Similarly, multi-kinase inhibitors used in oncology target several distinct enzymes to inhibit tumor growth and angiogenesis simultaneously (PubChem, 2024). In cardiology, agents like amiodarone are known to block multiple ion channels and receptors to manage complex arrhythmias (StatPearls, 2023). While targeting multiple pathways can enhance efficacy in multifactorial diseases, it significantly increases the risk of off-target adverse effects and drug-drug interactions (Nature Reviews Drug Discovery, 2019). This classification is often used when the specific list of targets is too extensive to be captured by a single canonical name or when the exact contribution of each target to the clinical outcome is not fully delineated. Consequently, this entry represents a functional category of drug action rather than a specific molecular entity or receptor family.

Other names

Multi-targetPolypharmacological targetsNon-specific target profileMulti-target drugs

The mechanism of action involves polypharmacology, where a drug simultaneously modulates the activity of various G protein-coupled receptors, enzymes, ion channels, and transporters to achieve a broad therapeutic effect (Nature Reviews Drug Discovery, 2019; PubMed, 2021).