Keros Therapeutics, Inc. is a clinical-stage biopharmaceutical company. The Company is focused on developing and commercializing novel therapeutics to treat a range of patients with disorders that are linked to dysfunctional signaling of the transforming growth factor-beta (TGF-B), family of proteins. Its lead product candidate, elritercept (KER-065), is being developed for the treatment of low blood cell counts, or cytopenias, including anemia and thrombocytopenia, in patients with myelodysplastic syndromes, and in patients with myelofibrosis. KER-065 is designed to act as a ligand trap and inhibit the biological effects of myostatin and activin A. Its lead product candidate, rinvatercept, is being developed for the treatment of neuromuscular diseases. Elritercept is designed to raise red blood cell and platelet production by inhibiting the signaling of a subset of the TGF-B family of proteins to promote hematopoiesis.