A randomised pragmatic trial of corticosteroid optimization in severe asthma using a composite biomarker algorithm to adjust corticosteroid dose versus standard care: study protoco... by Hanratty, CE, Matthews, JG, Arron, JR, Choy, DF, Pavord, ID, Bradding, P, Brightling, CE, Chaudhuri, R, Cowan, DC, Djukanovic, R, Gallagher, N, Fowler, SJ, Hardman, TC, Harrison, T, Holweg, CT, Howarth, PH, Lordan, J, Mansur, AH, Menzies-Gow, A, Mosesova, S, Niven, RM, Robinson, DS, Shaw, DE, Walker, S, Woodcock, A, Heaney, LG, RASP-UK Consortium