Pediatric severe asthma is actually considered a rare disease with a heterogeneous nature.
Recent cohort studies focusing on children with severe asthma identified different clinical
presentations (phenotypes) and underlying pathophysiological mechanisms (endotypes). Phenotyping
and endotyping asthma represent the current approach to patients with severe asthma and consist in
characterizing objectively measurable and non-invasive indicators (biomarkers) capable of orienting
diagnosis, management and personalized treatment, as advocated by the Precision Medicine
approach. The aim of this review is to provide a practical overview of current and emerging
biomarkers in pediatric severe asthma.
Keywords: Biomarkers, eosinophils, fractional exhaled nitric oxide, IgE, neutrophils, pediatric, periostin, severe asthma.
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