J Racial Ethn Health Disparities
August 2025
Introduction: Racial/ethnic minority populations in the US have a high burden of pulmonary arterial hypertension (PAH).
Objective: To evaluate demographics, disease characteristics, prescribing patterns, hospitalization, and survival in racial/ethnic groups in the SPHERE registry.
Methods: SPHERE was a US, multicenter, prospective, observational registry of adults prescribed selexipag in clinical practice (November 2016-March 2020).