Septerna, Inc., a clinical-stage biotechnology company, discovers and develops G protein-coupled receptor (GPCR) oral small molecule products candidates for the treatment of endocrinology, immunology and inflammation, and metabolic diseases. The company develops SEP-786, an oral small molecule PTH1R agonist for hypoparathyroidism; SEP-631, an oral small molecule MRGPRX2 NAM for chronic spontaneous urticaria and other mast cell diseases; TSHR Program, an oral small molecule TSHR NAM for Graves' disease and thyroid eye disease. It also develops oral small molecule single- and multi-incretin receptor agonists for metabolic disorders including obesity and type 2 diabetes.