Tezepelumab for Patients with Severe Uncontrolled Asthma: A Systematic Review and Meta-Analysis

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Abstract

Tezepelumab is a human monoclonal antibody that blocks thymic stromal lymphopoietin, an epithelial-cell-derived cytokine implicated in the pathogenesis of asthma. It was approved by the United States Federal Drug Administration (US FDA) as an add-on maintenance treatment for patients with severe uncontrolled asthma in December 2021. We conducted a systematic review and meta-analysis to investigate the safety and efficacy of tezepelumab on forced expiratory volume (FEV1) (L), the rate of asthma exacerbations, health-related quality of life, fractional exhaled nitric oxide (FeNO) (ppb), and blood eosinophil count (cells/mL) in patients with severe, uncontrolled asthma. Mean changes for efficacy and proportions (safety) with their corresponding 95% confidence intervals (CIs) were used to provide pooled estimates. A total of six randomized controlled trials comprising 2667 patients were included, of whom 1610 were treated with tezepelumab and 1057 received placebo. The pooled analysis showed that tezepelumab treatment resulted in an improvement in FEV1 of 0.15 L (95% CI: 0.12 to 0.17), a reduction in the asthma exacerbation rate per year of 0.60 (95% CI: 0.51 to 0.70), and a reduction in FeNO of −12.41 ppb (95% CI: −14.28 to −10.53) when compared to placebo. Improvements in FEV1 and FeNO levels were maintained at 24 and 52 weeks. As for safety, patients did not experience a higher incidence of adverse drug reactions with tezepelumab (0.79 (95% CI: 0.55 to 1.12)) as compared to placebo. As for quality of life, different doses of the tezepelumab intervention group depicted non-significant improvement in the QoL, from 0.15 (95% CI: −0.09 to 0.38) for 70 mg, 0.18 (95% CI: −0.10 to 0.46) for 210 mg, 0.08 (95% CI: −0.16 to 0.32) for 280 mg as compared to the placebo. Tezepelumab significantly reduced exacerbation rates and improved FEV1 with an acceptable safety profile.

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APA

Zoumot, Z., Busaidi, N. A., Tashkandi, W., Aljohaney, A. A., Isse, S., Vidyasagar, K., & Ukwaja, K. N. (2022). Tezepelumab for Patients with Severe Uncontrolled Asthma: A Systematic Review and Meta-Analysis. Journal of Asthma and Allergy. Dove Medical Press Ltd. https://doi.org/10.2147/JAA.S378062

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