Sierra Oncology, Inc., a clinical stage drug development company, is advancing targeted therapeutics for the treatment of patients with unmet medical needs in hematology and oncology. Its lead drug candidate, momelotinib, is a selective and orally-bioavailable JAK1, JAK2, and ACVR1 inhibitor that has been investigated in two completed Phase 3 trials for the treatment of myelofibrosis and has demon...