Rhythm Pharmaceuticals, Inc. is a commercial-stage biopharmaceutical company, which engages in the development and commercialization of therapeutics for patients with rare diseases. The company is headquartered in Boston, Massachusetts and currently employs 414 full-time employees. The company went IPO on 2017-10-05. The firm's lead asset, IMCIVREE, is an MC4R agonist designed to treat hyperphagia and severe obesity, is approved by the Food and Drug Administration (FDA) to reduce excess body weight and maintain reduction long term in adults and pediatric patients aged four years and older with acquired hypothalamic obesity, adult and pediatric patients two years of age and older with syndromic or monogenic obesity due to Bardet-Biedl syndrome (BBS) or genetically confirmed pro-opiomelanocortin (POMC), including proprotein convertase subtilisin/kexin type 1 (PCSK1), deficiency or leptin receptor (LEPR) deficiency. In addition to it the Company is advancing a broad clinical development program for setmelanotide in other rare diseases, as well as investigational MC4R agonists bivamelagon and RM-718, and a preclinical suite of small molecules for the treatment of congenital hyperinsulinism.