IL-6 pathway upregulation in subgroup of severe asthma is associated with neutrophilia and poor lung function

Summary

We have investigated the IL-6 pathway in the severe asthma phenotypes using U-BIOPRED database. A subset of severe asthma patients has increased IL6R mRNA levels and IL-6 protein levels in the sputum. This sub-population is highly neutrophilic and has poorer lung function. These neutrophilic patients have a high unmet medical need and they could potentially benefit from therapy targeting IL-6.

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