United Therapeutics Corporation is a biotechnology company which develops and commercializes products to address the unmet medical needs of patients with chronic and life-threatening diseases worldwide. The Company's product candidates include Remodulin, Tyvaso, Orenitram, and Adcirca. It also provides Unituxin for the treatment of pediatric patients with high-risk neuroblastoma. In addition, the company develops RemoSynch and RemUnity delivery systems for intravenous and subcutaneous Remodulin, esuberaprost and eNOS gene therapies, and organ transplantation-related technologies, including regenerative medicines, xenotransplantation, and ex-vivo lung perfusion.