First approval of a dry powder inhaler for treatment of PAH and PH-ILD
DPI device represents a convenient option for administration of treprostinil therapy
Commercial launch activities underway; patient availability expected in June 2022
SILVER SPRING, Md. & RESEARCH TRIANGLE PARK, N.C.–(BUSINESS WIRE)– United Therapeutics Corporation (Nasdaq: UTHR), a public benefit corporation, announced today that the U.S. Food and Drug Administration (FDA) has approved Tyvaso DPI™ (treprostinil) inhalation powder for the treatment of pulmonary arterial hypertension (PAH; WHO Group 1) and pulmonary hypertension associated with interstitial lung disease (PH-ILD; WHO Group 3) to improve exercise ability. Tyvaso DPI represents a new formulation and inhalation device for inhaled treprostinil and is the only dry powder inhaler approved by the FDA for use in PAH and PH-ILD.







