Khaleva, EkaterinaRattu, AnnaBrightling, ChrisBush, AndrewBossios, ApostolosBourdin, ArnaudChung, Kian FanChaudhuri, RekhaColeman, CourtneyDahlén, Sven ErikDjukanovic, RatkoDeschildre, AntoineFleming, LouiseFowler, Stephen J.Gupta, AtulHamelmann, EckardHashimoto, SimoneHedlin, GunillaKoppelman, Gerard H.Melén, ErikMurray, Clare S.Pilette, CharlesPorsbjerg, CelestePike, Katharine C.Rusconi, FrancaWilliams, ClareAhrens, BirgitAlter, PeterAnckers, Frejavan den Berge, MaartenBlumchen, KatharinaBrusselle, GuyClarke, Graham W.Cunoosamy, DanenDahlén, BarbroDixey, PiersExley, AndrewFrey, UrsGaillard, Erol A.Giovannini-Chami, LisaGrigg, JonathanHartenstein, DianaHeaney, Liam G.Karadag, BülentKaul, SusanneKull, IngerLicari, AmeliaMaitland-Van der Zee, Anke H.Turner, SteveDonaldson, GavinCOMSA Working Group in the 3TR Consortium2023-11-012023-11-012023-04Khaleva, E, Rattu, A, Brightling, C, Bush, A, Bossios, A, Bourdin, A, Chung, K F, Chaudhuri, R, Coleman, C, Dahlén, S E, Djukanovic, R, Deschildre, A, Fleming, L, Fowler, S J, Gupta, A, Hamelmann, E, Hashimoto, S, Hedlin, G, Koppelman, G H, Melén, E, Murray, C S, Pilette, C, Porsbjerg, C, Pike, K C, Rusconi, F, Williams, C, Ahrens, B, Alter, P, Anckers, F, van den Berge, M, Blumchen, K, Brusselle, G, Clarke, G W, Cunoosamy, D, Dahlén, B, Dixey, P, Exley, A, Frey, U, Gaillard, E A, Giovannini-Chami, L, Grigg, J, Hartenstein, D, Heaney, L G, Karadag, B, Kaul, S, Kull, I, Licari, A, Maitland-Van der Zee, A H, Turner, S, Donaldson, G & COMSA Working Group in the 3TR Consortium 2023, 'Development of Core Outcome Measures sets for paediatric and adult Severe Asthma (COMSA)', European Respiratory Journal, vol. 61, no. 4, 2200606. https://doi.org/10.1183/13993003.00606-20220903-1936https://hdl.handle.net/2164/22078Funding Information: Support statement: This project has received funding from the Innovative Medicines Initiative (IMI) 2 Joint Undertaking ( JU) under grant agreement number 831434 (3TR). The JU receives support from the European Union’s Horizon 2020 research and innovation program and the European Federation of Pharmaceutical Industries and Associations (EFPIA). Further details about the 3TR project and IMI funding programme are available on their websites: www.3tr-imi.eu and www.imi.europa.eu. Funding information for this article has been deposited with the Crossref Funder Registry. Funding Information: The COMSA initiative is registered on the Core Outcome Measures in Effectiveness Trials (COMET) database (www.comet-initiative.org/Studies/Details/1698). The approach was adapted from the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) initiative to select outcome measurement instruments for the COM set [26] and is reported in accordance with the Core Outcome Set-STAndards for Reporting (COS-STAR) statement (supplementary table S1) [27]. Approval was gained from the Ethics Committee of the University of Southampton (Southampton, UK) (ERGO 56181). This project is part of the 3TR (Taxonomy, Treatments, Targets and Remission) Consortium (https://3tr-imi.eu) funded by the European Commission’s Innovative Medicines Initiative 2.201669699engRC Internal medicinePulmonary and Respiratory MedicineEuropean Research Council831434RCJournal item10.1183/13993003.00606-2022http://www.scopus.com/inward/record.url?scp=85148996792&partnerID=8YFLogxK614