United Therapeutics Corporation (Nasdaq: UTHR) today announced that the U.S. Food and Drug Administration (FDA) accepted for priority review the New Drug Application (NDA) for Tyvaso DPI™ (inhaled treprostinil) for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD). United Therapeutics expects the agency’s review to be complete in October 2021. FDA also indicated that they have not identified any potential review issues at this time.