P497: CLINICAL OUTCOMES OF NPM1-MUTATED ACUTE MYELOID LEUKEMIA (AML) PATIENTS WITH MEASURABLE RESIDUAL DISEASE (MRD) RELAPSE AFTER ACHIEVEMENT OF A FIRST MRD-NEGATIVE REMISSION - Madlen Jentzsch; Lara Bischof; Jule Ussmann; Dominic Brauer; Donata Backhaus; Tung Pham Thanh; Georg-Nikolaus Franke; Vladan Vucinic; Uwe Platzbecker; Sebastian Schwind (HemaSphere, 2023)