Overview Study of SB939 in Subjects With Myelofibrosis Status: Completed Trial end date: 2012-11-01 Target enrollment: Participant gender: Summary The goal of this clinical research study is to learn if SB939 can help to control myelofibrosis. The safety of this drug will also be studied. Phase: Phase 2 Details Lead Sponsor: M.D. Anderson Cancer CenterCollaborator: S*BIOTreatments: Histone Deacetylase Inhibitors