Asthma phenotyping and endotyping is a novel approach to asthma classification inspired by precision medicine. It seeks to separate the clinical presentations or clusters of signs and symptoms of asthma, known as asthma phenotypes, from their underlying etiologies or causes, known as asthma endotypes.[1][2][3]
Asthma endotyping is useful in predicting which patients will benefit from inhaled corticosteroids or targeted therapy using specific biologics, while phenotyping can help predict disease outcomes. Numerous asthma phenotypes and endotypes have been proposed, though not all have been validated or widely accepted.[1][2][3]
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