Summary Background Chronic rhinosinusitis with nasal polyps (CRSwNP), an inflammatory disease of the paranasal mucosa, is primarily characterized by type 2 inflammation. Three antibodies (dupilumab, omalizumab, and mepolizumab) are now approved for treatment severe CRSwNP. Documentation severity during course essential. Methods A literature search Medline, PubMed, national international trial g...