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  • Title: Benefits of biologic therapy administered for asthma on co-existent chronic rhinosinusitis: A real-world study.
    Author: Bajpai S, Marino MJ, Rank MA, Donaldson AM, O'Brien EK, Lal D.
    Journal: Int Forum Allergy Rhinol; 2021 Aug; 11(8):1152-1161. PubMed ID: 33527730.
    Abstract:
    BACKGROUND: Asthma and some chronic rhinosinusitis (CRS) subtypes are mediated by similar pathophysiologic mechanisms. The purpose of this study was to evaluate the effects of biologic therapy for asthma on co-existent CRS in the "real-world" setting. METHODS: A review of electronic health records (2016-2019) at Mayo Clinic was conducted to identify asthma patients treated with biologics who had co-existent CRS. Matched-pair analyses compared pretherapy and posttherapy Lund-Mackay computed tomography (CT) scores and 22-item Sino-Nasal Outcome Test (SNOT-22) scores. Performance of endoscopic sinus surgery (ESS) after initiating biologics was studied. RESULTS: We identified 247 patients who received anti-asthma biologic therapy and had co-existent CRS. Of these, 181 patients (73.3%) had CRS with nasal polyposis (CRSwNP) and 66 (26.7%) had CRS without nasal polyposis (CRSsNP). The biologics utilized were omalizumab (51.0%), mepolizumab (46.6%), benralizumab (10.5%), reslizumab (1.6%), and dupilumab (2.4%). Anti-interleukin-5 (anti-IL-5) intervention was associated with significant improvement in CT scores (CRS overall, CRSwNP subgroup, CRSsNP subgroup) and SNOT-22 scores (CRS overall, CRSwNP subgroup). Patients on omalizumab had a decrease in CT scores, but not SNOT-22 scores. ESS was performed in 206 patients (84.1%); 55 (22.3%) underwent surgery post-biologic intervention (anti-IL-5: 16.5%; omalizumab 27.8% of patients). CONCLUSION: Anti-IL-5 agents were associated with improved CT and SNOT-22 scores in the overall CRS group and in CRSwNP subgroup; CRSsNP patients showed improved CT scores only. Omalizumab improved CT but not SNOT-22 scores. ESS was performed in 22% of patients after initiating biologics. These real-world results may influence future trial designs and clinical applications of biologics for CRS. ©2021 ARSAAOA, LLC.
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