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Background: Comparative effectiveness research between endoscopic sinus surgery (ESS) and biologic therapy for severe chronic rhinosinusitis with nasal polyposis (CRSwNP) is a nascent field as new therapeutic modalities become clinically available. Methods: A prospective, multicenter cohort of CRSwNP patients, undergoing ESS between 2011 and 2019, were compared to phase‐3 biologic trial data. Patients undergoing ESS received baseline nasal endoscopy quantified via Lund‐Kennedy (LK) grading. Patients meeting inclusion criteria, modified from Dupilumab‐LIBERTY‐NP‐24&52, omalizumab‐POLYP‐1&2, and Mepolizumab‐SYNAPSE clinical trials, were included in this study. Baseline characteristics and outcome measures were compared between these cohorts at 24 weeks and 52 weeks, when possible. Results: A total of 111 CRSwNP patients met modified inclusion criteria. There were no statistically significant differences in baseline age, sex, asthma status, aspirin‐exacerbated respiratory disease status, smell identification, LK‐polyp score, and Lund‐Mackay computed tomography (CT) scores between ESS and biologic groups. At 24 weeks, ESS demonstrated significantly greater improvements in 22‐item Sino‐Nasal Outcome Test (SNOT‐22) compared to one (of two) dupilumab trials (p < 0.05) and both omalizumab trials (p < 0.001). ESS associated with significantly lower nasal polyp scores (NPS) compared to dupilumab (p < 0.001) and omalizumab (p < 0.001), despite comparable improvements in smell identification (p > 0.05). At 52 weeks, ESS resulted in statistically similar improvement in SNOT‐22 scores compared to dupilumab (p = 0.21), but NPS remained significantly lower in the ESS group compared to dupilumab (p < 0.001) and mepolizumab (p < 0.001). Conclusion: At 24 weeks and 52 weeks, ESS offers comparable SNOT‐22 improvements compared to dupilumab. ESS and dupilumab offer comparable improvement in smell identification at 24 weeks. Compared to omalizumab, ESS offers superior SNOT‐22 improvements. ESS offers significantly greater reductions in polyp size compared to omalizumab, dupilumab, and mepolizumab therapies. [ABSTRACT FROM AUTHOR]

Objectives: Chronic rhinosinusitis (CRS) is prevalent in the Cystic Fibrosis (CF) population. CRS exacerbations in CF are thought to contribute to pulmonary exacerbations. Literature regarding the impact of endoscopic sinus surgery (ESS) is inconclusive. This study examines rates of lung function decline and pulmonary exacerbation in CF patients who have undergone ESS. Design: Retrospective review of medical records. Setting: Academic Hospital. Participants: 40 adult CF patients. Main outcome measures: Rate of lung function decline (% predicted Forced Expiratory Volume in 1 second [ppFEV1]), number of pulmonary exacerbations (IV/oral antibiotic therapy ± hospital admission) and total number days hospitalised 2‐year postoperatively was collected. CRS patients undergoing ESS were matched to those without ESS by gender, age, and F508del genotype. Results: Forty patients (mean age 37.4, 60% male) were reviewed. No significant difference was found between the surgical group and controls in baseline ppFEV1(72.5% vs. 72.7%, P =.98), 2‐year preoperative number of pulmonary exacerbations (3.05 vs. 1.65, P =.10), or Lund‐Mackay scores (12.25 vs. 11.55, P =.71). No significant difference was found in 1‐year (70.5% vs. 72.8%, P =.84) or 2‐year (70.4% vs. 72.6% P =.80) postoperative ppFEV1 and 2‐year postoperative pulmonary exacerbations (1.7 vs. 1.45, P =.87). A significant increase was identified in total number days hospitalised postoperatively (4.85, P =.02). In the surgical group, no significant difference was identified between preoperative and postoperative ppFEV1, 1 year (−2.51%, P =.32) and 2 years after ESS (−3.10%, P =.51), postoperative rate of pulmonary exacerbations (−1.28, P =.11), or in total number days hospitalised (3.74, P =.14). Conclusions: In this study, ESS does not appear to significantly improve ppFEV1 or decrease the number of pulmonary exacerbations postoperatively. [ABSTRACT FROM AUTHOR]