P1030: MANIFEST-2, A GLOBAL, PHASE 3, RANDOMIZED, DOUBLE-BLIND, ACTIVE-CONTROL STUDY OF PELABRESIB (CPI-0610) AND RUXOLITINIB VS PLACEBO AND RUXOLITINIB IN JAK INHIBITOR-NAÏVE MYELOFIBROSIS PATIENTS. (23rd June 2022) - Harrison, C.