
Chronic Rhinosinusitis without Nasal Polyps Market Trends Analysis, Growth Opportunities and Challenges, Clinical Activities, Leading Companies, Emerging Therapies, and Epidemiology Forecast Rhinosinusitis is a broad umbrella term covering multiple disease entities, including Acute Rhinosinusitis (ARS), Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Chronic Rhinosinusitis without Nasal Polyps (CRSsNP). Chronic rhinosinusitis (CRS) is a common complex inflammatory disease, defined as persistent sinonasal symptoms lasting for at least 12 weeks. Chronic rhinosinusitis (CRS) is a disease, in which both genetic and environmental factors contribute to its pathogenesis. Chronic rhinosinusitis in adults in most guidelines is characterized by at least 8-12 weeks of at least two symptoms, like nasal blockage/ obstruction/congestion, nasal discharge (anterior/posterior nasal drip), facial pain/pressure, and/or reduction or loss of smell and either endoscopic signs of disease or rele...