A Long-Term Follow-Up Study of Sotatercept for Treatment of Pulmonary Arterial Hypertension: Interim Results of SOTERIA

BACKGROUND: SOTERIA (NCT04796337) is an ongoing open-label study evaluating long-term safety, tolerability, and efficacy of sotatercept in participants with pulmonary arterial hypertension (PAH). METHODS: Eligible adults with PAH on stable background therapy who completed a prior sotatercept study without early discontinuation were enrolled. Participants received subcutaneous sotatercept (