Clinical trials Brief November 6, 2026, 9:03 AM ET

United Therapeutics registers SUMMIT OLE study

The study, titled An Open-label Extension Study of Treprostinil Administered Via a Soft Mist Inhaler (SMI) in Participants With Pulmonary Hypertension Associated With Chronic Obstructive Pulmonary Disease (PH-COPD), plans to enroll 400 participants and is expected to start in March 2027. It is a Phase 2 and Phase 3 open-label extension aimed at evaluating long-term safety and efficacy.

Primary source

ClinicalTrials.gov registry record, November 6, 2026

An Open-Label Extension Study to Evaluate Inhaled Treprostinil SMI in Participants With Pulmonary Hypertension Associated With Chronic Obstructive Pulmonary Disease (PH-COPD)

Read the source: An Open-Label Extension Study to Evaluate Inhaled Treprostinil SMI in Participants With Pulmonary Hypertension Associated With Chronic Obstructive Pulmonary Disease (PH-COPD) clinicaltrials.gov

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