Rhythm Pharmaceuticals, Inc. is a biopharmaceutical company. It focused on the development and commercialization of peptide therapeutics for the treatment of rare genetic deficiencies which result in life-threatening metabolic disorders. The Company's product candidate principally consists of setmelanotide, a potent, first-in-class melanocortin-4 receptor or MC4R, agonist for the treatment of rare genetic disorders of obesity. Rhythm Pharmaceuticals, Inc. is based in Boston, MA.