Overview Study of Nivolumab in Patients With Myelofibrosis Status: Recruiting Trial end date: 0000-00-00 Target enrollment: Participant gender: Summary The goal of this clinical research study is to learn if nivolumab can help to control MF. The safety of this drug will also be studied. Phase: Phase 2 Details Lead Sponsor: M.D. Anderson Cancer CenterTreatments: Antibodies, MonoclonalNivolumab