3.8 Article

Cardiovascular safety of genetically proxied interleukin-5 inhibition: A mendelian randomization study

Journal

RESPIRATORY INVESTIGATION
Volume 61, Issue 2, Pages 149-152

Publisher

ELSEVIER
DOI: 10.1016/j.resinv.2022.12.004

Keywords

IL-5; Asthma; Cardiovascular safety; Mepolizumab; Genetic instrumental variable

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IL-5 inhibitors have a revolutionized the treatment of eosinophilic asthma, but their cardiovascular safety remains uncertain. This study used population-level data to examine the association between genetically proxied IL-5 inhibitors and cardiovascular diseases. The results showed no evidence that IL-5 inhibitors affect the risk of adverse cardiovascular and thromboembolic events.
Interleukin-5 (IL-5) inhibitors have revolutionized the management of eosinophilic asthma. However, IL-5 is thought to play a protective role in atherosclerosis, and cardiovascular safety data for IL-5i are scarce. We used population-level data to examine the association between genetically proxied IL-5i and the risk of cardiovascular diseases. Genetic instruments for IL-5i were selected from a genome-wide association study of eosinophil count in 563,946 individuals. Genetic association data for coronary artery disease were obtained from 60,801 cases, 40,585 stroke cases, 7988 venous thromboembolism cases, and up to 406,111 controls. We used the inverse-variance weighted method and a series of sensitivity analyses. Nine genetic variants were selected to instrument IL-5i. Genetically proxied IL-5i was not associated with the risk of coronary heart disease (OR 0.82, 95%CI 0.65 -1.03), stroke (OR 1.10; 0.95-1.27), or venous thromboembolism (OR 0.87; 0.64-1.17). We found no genetic evidence to suggest that IL-5i affects the risk of adverse cardiovascular and thromboembolic events. (c) 2023 The Authors. Published by Elsevier B.V. on behalf of The Japanese Respiratory Society. This is an open access article under the CC BY license (http://creativecommons.org/ licenses/by/4.0/).

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