Disc Medicine, Inc. is a clinical-stage biopharmaceutical company that discovers, develops, and commercializes novel treatments for serious hematologic diseases in the United States. Its portfolio of clinical and preclinical candidates targets fundamental biological pathways related to red blood cell formation and function, primarily heme biosynthesis and iron homeostasis. The pipeline includes bitopertin for erythropoietic porphyrias (including erythropoietic protoporphyria, X-linked protoporphyria, and diamond-blackfan anemia), DISC-0974 for anemia of myelofibrosis and anemia of chronic kidney disease, and DISC-3405 for polycythemia vera and other hematologic disorders. Preclinical programs include DISC-0998 for anemia associated with inflammatory diseases. Founded in 2017, the company is headquartered in Watertown, Massachusetts.