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Allergy Asthma Proc. 2019 Sep 1;40(5):316-320. doi: 10.2500/aap.2019.40.4241.

Effect of omalizumab on outcomes in patients with aspirin-exacerbated respiratory disease.

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From the Department of Allergy and Immunology, Kaiser Permanente Los Angeles Medical Center, Los Angeles, California.
Department of Research and Evaluation, Kaiser Permanente, Pasadena, California.


Background: The current treatment for patients with aspirin-exacerbated respiratory disease (AERD) who have uncontrolled asthma or chronic rhinosinusitis is aspirin desensitization. For patients who are unable to undergo or do not benefit from aspirin desensitization, treatment with biologics is an option, although efficacy data for AERD is scarce. Objective: We reported a series of patients with AERD who were started on omalizumab and measured the outcomes to assess improvement. Methods: Adult patients with AERD who were initiated on omalizumab from January 2007 to January 2018 were included. We compared outcomes 6-12 months before initiating biologic therapy and during the last 6-12 months while they were on biologic therapy. Our study investigated the number of oral steroid courses, short-acting beta-agonists (SABA), antibiotics for sinusitis or pneumonia, emergency department visits, hospitalizations, pulmonary function tests, and changes in controller medications. Results: Twenty-nine patients were placed on omalizumab. Sixty-two percent demonstrated a reduction in the number of steroid courses (p = 0.0014) and number of SABA canisters used (p = 0.0005) during their last 12 months while on omalizumab. Eighty-six percent of the patients with AERD and on omalizumab demonstrated either a decrease in the number of steroid courses or number of SABA canisters used in the last year of the study. The patients with AERD and with concomitant immunoglobulin E (IgE) mediated respiratory disease showed a statistically significant reduction in the number of steroid courses and number of SABA canisters used while on omalizumab for 1 year (p = 0.002 and p = 0.005, respectively), whereas those without concomitant IgE-mediated respiratory disease did not have a substantial reduction in steroids or SABA canisters used. Conclusion: Our case series reported that omalizumab could effectively be used as an adjunct treatment for AERD, but additional larger and longitudinal studies are needed to corroborate these findings.


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