United Therapeutics Corporation (UTHR) today announced that the U.S. Food and Drug Administration (FDA) has accepted for review the New Drug Application (NDA) for Trevyent® (treprostinil) for the treatment of pulmonary arterial hypertension (PAH). The FDA assigned the NDA a Prescription Drug User Fee Act (PDUFA) target action date of April 27, 2020. Trevyent is a post-phase III development-stage drug-device combination product that combines two-day, single use, disposable PatchPump® technology with treprostinil, for the subcutaneous treatment of PAH.