Ascendis Pharma A/S, a clinical stage biopharmaceutical company, develops various prodrug therapies to treat unmet medical needs. It is developing TransCon human growth hormone that has completed Phase II clinical trials in adults to treat growth hormone deficiency (GHD) and other indications, as well as in Phase II studies in children for treating GHD; and TransCon Treprostinil that is in Phase I study for the treatment of pulmonary arterial hypertension, a life-threatening disease characterized by elevated blood pressure in the pulmonary arteries. The company is also developing TransCon Insulin for the treatment of diabetes; and TransCon Ranibizumab, a compound to support ranibizumab injection. It has strategic collaborations with Sanofi and Genentech. The company was founded in 2006 and is headquartered in Hellerup, Denmark.