Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500115608) titled 'Exploring the Microecological Characteristics and Mechanisms of Rhinorrhea in Postnasal Drip Syndrome' on Dec. 29, 2025.

Study Type: Observational study

Study Design: Cross-sectional

Primary Sponsor: The First Affiliated Hospital of Soochow University

Condition: chronic rhinosinusitis,rhinitis,deviated nasal septum

Intervention: Non allergic rhinitis (NAR) group:no Multi disease coexistence (such as eCRSwNP merging AR, DNS merging CRSsNP, etc.) group:no Allergic rhinitis (AR) group:no Chronic sinusitis without nasal polyps (CRSsNP) group:no Chronic sinusitis with nasal polyps (CRSwNP, including eCRSwNP in ...