Targeting the interleukin-4 and interleukin-13 pathways in severe asthma : Current knowledge and future needs
Purpose of review Severe asthma is a heterogeneous disease that can be classified into phenotypes and endotypes based upon clinical or biological characteristics. Interleukin (IL)-4 and IL-13 play a key role in type 2 (T2) asthma. This article reviews the signaling pathway of IL-4 and IL-13 and highlights its targeted therapy in severe asthma. Recent findings Several clinical trials of biologics t