Dupilumab Treatment Effects in an Ethnically Diverse Population With Chronic Rhinosinusitis With Nasal Polyposis

Inclusion Criteria: * Patients with physician-diagnosed CRSwNP, with or without comorbid asthma that meet indication criteria for FDA-approved use of Dupilumab. * Patients aged 18 years and older. * Patient willing to provide consent to be a participant in the study. * Patients with insurance that allows Dupilumab coverage or Dupilumab coverage obtained through "Dupixent MyWay Program" Exclusion Criteria: * Age under 18 * Suspected or diagnosed allergic fungal rhinosinusitis. * Suspected or diagnosed cystic fibrosis. * Dupilumab coverage denied through insurance or "Dupixent MyWay Program" * Patients who required a steroid taper in the preceding 30 days. However, patients on chronic steroids less or equal to 20 mg of prednisone daily, are eligible. * Patients who were on a different biologic medication in the preceding 3 months. * Patients with a diagnosis of EGPA/Churg-Strauss Syndrome * Pregnant patients * Patients with inverted papilloma growth