Dupilumab as Add-on Therapy for Chronic Rhinosinusitis With Nasal Polyposis in Aspirin Exacerbated Respiratory Disease


Allergy and Immunology

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American journal of rhinology and allergy


BACKGROUND: Aspirin-exacerbated respiratory disease (AERD) affects 7% of asthmatics. Usual therapies are inadequate for asthma and/or nasal polyposis, leading to decreased quality of life. OBJECTIVE: Our objective was to evaluate the efficacy of dupilumab in AERD patients with uncontrolled, chronic rhinosinusitis with nasal polyposis (CRSwNP). METHODS: Patients 18 years and older with a physician diagnosis of AERD and sino-nasal outcome test 22 (SNOT 22) score ≥19 despite standard medical therapy were eligible for the study. Patients received one month of placebo dosing, followed by 6 months of dupilumab. Patients were blinded to the order of therapy. Wilcoxon-paired rank sum test was used to compare study outcomes at baseline and the completion of the study. RESULTS: Ten patients completed the study. The median baseline SNOT 22 score improved from 46 [IQR: 34 to 64.8] to 9.5 [IQR: 2.5 to 19] after 6 months of therapy (p = 0.0050). The median baseline Lund MacKay score improved from 21.5 [IQR: 17 to 23.3] to 4 [IQR: 1.2 to 6] after 6 months of therapy (p = 0.0050). There was also improvement in the following secondary outcomes: asthma control test (ACT), mini asthma quality of life questionnaire (AQLQ), and University of Pennsylvania Smell Identification test (UPSIT). Exhaled nitric oxide (FeNO), total serum IgE, 24-hour urinary leukotriene E, and serum thymus and activation regulated cytokine (TARC) also decreased. There were no significant study-related adverse events. CONCLUSION: Dupilumab was highly effective as add-on therapy for CRSwNP in AERD, improving patient-reported outcomes, sinus opacification, and markers of T2 inflammation.

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