In Phase A, individuals will get various doses and schedules of oral ABBV-744 tablet to recognize Harmless dosing regimen. Added contributors is going to be enrolled at the recognized monotherapy dosign routine. In Section B, contributors will get oral ruxolitinib and ABBV-744 are going to be provided as "insert-on" therapy. https://abbv-744inclinicaltrialsf91356.blogolenta.com/28840539/considerations-to-know-about-is-abbv-744-effective-for-hematologic-cancers