Five years after Gilead Sciences Inc. gave up on momelotinib in the wake of two phase III failures in myelofibrosis, the JAK1/2 and ACVR1 inhibitor has found its way to the market in the hands of GSK plc. Branded Ojjaara, the drug gained U.S. FDA approval for use in intermediate- or high-risk myelofibrosis patients with anemia regardless of prior administration with JAK inhibitors such as Jakafi (ruxolitinib, Incyte Corp.).