CHF6523 data suggest that the phosphoinositide 3-kinase delta isoform is not a suitable target for the management of COPD. - Govoni, Mirco; Bassi, Michele; Girardello, Luca; Lucci, Germano; Rony, François; Charretier, Rémi; Galkin, Dmitry; Faietti, Maria Laura; Pioselli, Barbara; Modafferi, Gloria; Benfeitas, Rui; Bonatti, Martina; et al. (Respiratory Research, 2024)