4.6 Review

Endotypes of chronic rhinosinusitis: Relationships to disease phenotypes, pathogenesis, clinical findings, and treatment approaches

期刊

ALLERGY
卷 77, 期 3, 页码 812-826

出版社

WILEY
DOI: 10.1111/all.15074

关键词

chronic rhinosinusitis; endotype; inflammation; nasal polyps; phenotype

资金

  1. NIH [R01 AI137174, K23 AI141694, U19 AI106683, P01 AI145818]
  2. Ernest S. Bazley Foundation

向作者/读者索取更多资源

The study of chronic rhinosinusitis (CRS) has shifted from phenotype-based classification to endotype-based classification, identifying three main endotypes that orchestrate the expression of different gene sets. The development of improved methods for endotyping disease is expanding the use of biological therapies, targeting Type 2 inflammation and potentially other inflammatory endotypes in the future.
Chronic rhinosinusitis (CRS) is a common clinical syndrome that produces significant morbidity and costs to our health system. The study of CRS has progressed from an era focused on phenotype to include endotype-based information. Phenotypic classification has identified clinical heterogeneity in CRS based on endoscopically observed features such as presence of nasal polyps, presence of comorbid or systemic diseases, and timing of disease onset. More recently, laboratory-based findings have established CRS endotype based upon specific mechanisms or molecular biomarkers. Understanding the basis of widespread heterogeneity in the manifestations of CRS is advanced by findings that the three main endotypes, Type 1, 2, and 3, orchestrate the expression of three distinct large sets of genes. The development and use of improved methods of endotyping disease in the clinic are ushering in an expansion of the use of biological therapies targeting Type 2 inflammation now and perhaps other inflammatory endotypes in the near future. The purpose of this review is to discuss the phenotypic and endotypic heterogeneity of CRS from the perspective of advancing the understanding of the pathogenesis and improvement of treatment approaches and outcomes.

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