Keros Therapeutics, Inc. is a clinical-stage biopharmaceutical company. The Company is focused on the discovery, development and commercialization of treatments for patients suffering from hematological and musculoskeletal disorders with high unmet medical need. Its protein therapeutic product candidate, KER-050, is being developed for the treatment of low blood cell counts, or cytopenias, including anemia and thrombocytopenia, in patients with myelodysplastic syndromes (MDS) and myelofibrosis. Its small molecule product candidate, KER-047, is being developed for the treatment of anemia resulting from elevated levels of hepcidin, the key regulator of iron absorption and recycling, as well as for the treatment of fibrodysplasia ossificans progressive. KER-047 is in a Phase I clinical trial. Its KER-012 is being developed for the treatment of disorders associated with bone loss, such as osteoporosis and osteogenesis imperfecta, and for the treatment of pulmonary arterial hypertension.