P366: BLINATUMOMAB ADDED TO PREPHASE AND CONSOLIDATION THERAPY IN NEWLY DIAGNOSED PRECURSOR B-ALL IN ADULTS. A PHASE II HOVON TRIAL. (23rd June 2022) - Rijneveld, A.; Gradowska, P.; Bellido, M.; de Weerdt, O.; Gadisseur, A.; Deeren, D.; van der Wagen, L.; Jauw, Y.; Fijnheer, R.; van Lammerren, D.; Selleslag, D.; Halkes, S.; et al.