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Thank you so much for taking the time to speak with me

(2022, Mar 10)

As long as British American Tobacco does not interfere with my scientific work, I see no immediate problem, he said via email

With the deeper understanding of the inflammatory mechanisms of COPD, it has been found that neutrophilic inflammation is the most common type of inflammation, but 20% to 40% of patients also belong to the type 2 inflammatory endotype, characterized by elevated eosinophils (EOS) ( The differences in eosinophil counts may determine different responses to inhaled corticosteroid (ICS) therapy ( post hoc analysis showed that ICS-containing regimens had little to no effect when blood eosinophil count was less than 100 cells/L, and thus this threshold could be used to identify patients with a low likelihood of benefit from treatment with ICS ( The pathogenesis of patients with COPD is complex, and although it is currently recommended that group E patients with blood eosinophil count 300/L should be treated with the triple therapy of ICS + LAMA + LABA, some patients are still poorly controlled after the triple therapy [1]