Study protocol for a randomized double-blinded placebo-controlled trial on mepolizumab for patients with chronic rhinosinusitis with nasal polyps, NSAID exacerbated respiratory disease and asthma - Lyly, Annina; Sahlman, Johanna; Pajala, Karoliina; Salminen, Maija; Sillanpää, Saara; Numminen, Jura; Hanif, Tanzeela; Laulajainen-Hongisto, Anu; Mäkelä, Mika; Kauppi, Paula; Kangasniemi, Iiris; Lilja, Markus; et al. (Frontiers in Allergy, 2025)