Fig. 1

Study Design. Once the RP2D and schedule has been determined for a given treatment in the phase 1b, that treatment arm may enter phase 2, which will follow a Simon Two-Stage design. Stage 1 of the phase 2 will include treatment-naïve MDS/MPN patients only. If sufficient efficacy is demonstrated in treatment-naïve patients to proceed to Stage 2 of the phase 2, then patients who have failed or were intolerant to DNMTi-containing regimens, including treatment on other AM-001 arms or prior to enrolling in the study, will also be included. Eligible patients will be randomly allocated to AM-001 arms that are actively accruing and to which they have not had prior exposure. In Stage 2, patients will be stratified based on treatment status (e.g. treatment-naïve vs relapsed/refractory/intolerant)