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United Therapeutics Corporation
Sep 2, 2025 at 4:00 AM UTC
Sep 2
Sep 2, 2025 at 4:00 AM UTC
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United Therapeutics Corporation Announces TETON-2 Pivotal Study of Tyvaso® Meets Primary Endpoint for the Treatment of Idiopathic Pulmonary Fibrosis

Positive results were observed across all subgroups

Study meets several key secondary endpoints with statistical significance

SILVER SPRING, Md. & RESEARCH TRIANGLE PARK, N.C.--(BUSINESS WIRE)-- United Therapeutics Corporation (Nasdaq: UTHR), a public benefit corporation, today announced that its TETON-2 study evaluating the use of nebulized Tyvaso® (treprostinil) Inhalation Solution for the treatment of idiopathic pulmonary fibrosis (IPF) met its primary efficacy endpoint of demonstrating improvement in absolute forced vital capacity (FVC) relative to placebo.

Tyvaso demonstrated superiority over placebo for the change in absolute FVC by 95.6 mL (Hodges-Lehmann estimate, p