Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Clinical Experience with Anti-IgE Monoclonal Antibody (Omalizumab) In Paediatric Severe Allergic Asthma – A Romanian Perspective

Version 1 : Received: 8 October 2021 / Approved: 11 October 2021 / Online: 11 October 2021 (13:54:56 CEST)

How to cite: Camelia, B.E.; Balgradean, M.; Pavelescu, C.; Cirstoveanu, C.; Toma, C.; Ionescu, M.D.; Bumbacea, R.S. Clinical Experience with Anti-IgE Monoclonal Antibody (Omalizumab) In Paediatric Severe Allergic Asthma – A Romanian Perspective. Preprints 2021, 2021100160 (doi: 10.20944/preprints202110.0160.v1). Camelia, B.E.; Balgradean, M.; Pavelescu, C.; Cirstoveanu, C.; Toma, C.; Ionescu, M.D.; Bumbacea, R.S. Clinical Experience with Anti-IgE Monoclonal Antibody (Omalizumab) In Paediatric Severe Allergic Asthma – A Romanian Perspective. Preprints 2021, 2021100160 (doi: 10.20944/preprints202110.0160.v1).

Abstract

Background: Asthma is the most common chronic disease affecting children and altering their quality of life. The severity of asthma is often modulated by immunoglobulin E (IgE)-mediated allergen sensitization and is associated with comorbid allergic dis-eases. Omalizumab is a humanized monoclonal antibody anti-IgE, the first biological therapy approved to treat patients aged ≥6 years with severe allergic asthma. The primary objective of our study was to investigate the efficacy and safety of Omali-zumab in Romanian paediatric patients with severe allergic asthma. Methods: In this observational real-life study, 12 children aged 6 to 18 years, (mean age 12.4 years ) with severe allergic asthma received Omalizumab as an add-on treatment. The levels of asthma control, exacerbations, lung function and adverse events were evaluated at baseline and after the first year of treatment. Results: We noticed general improvements in total asthma symptom scores and the rate of exacerbation of severe asthma. Omalizumab increased the initial variables of lung function, and no serious adverse reactions were reported. FEV1 improved statistically significant after one year of treatment with Omalizumab, [ΔFEV1 (% pred.) =18.3, and similarly, ΔMEF50 (%) = 25.8]. The mean severe exacerbation rates due to asthma decreased from 4.1 (2.8 SD) to 1.15 (0.78 SD) during the treatment year (p<0.0001) with Omalizumab. Conclusions: Treatment with Omalizumab can be an effective and safe therapeutic option for Romanian children with severe allergic asthma, providing clinically relevant in-formation on asthma control and exacerbation rate in children and adolescents. The results highlighted the effect of Omalizumab in young patients, starting from the first year of treatment.

Keywords

allergic severe asthma; anti-IgE; Omalizumab; observational study; children

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