NCT06303193 2026-05-27Pacritinib, a Kinase Inhibitor of CSF1R, IRAK1, JAK2, and FLT3, in Adults and Pediatric Participants 12 Years of Age or Older With Myelodysplastic Syndromes or Myelodysplastic/Myeloproliferative NeoplasmsNational Institutes of Health Clinical Center (CC)Phase 1/2 Recruiting160 enrolled