Is low-risk status a surrogate outcome in pulmonary arterial hypertension? An analysis of three randomised trials

https://www.thelancet.com/journals/lanres/article/PIIS2213-2600(23)00155-8/fulltext?dgcid=hubspot_update_feature_updatealerts_lanres&utm_campaign=update-lanres&utm_medium=email&_hsmi=278714073&_hsenc=p2ANqtz-8EgVgY-ZAzGR8G5Ie8X22G1wbEkR4PqdITl3hXrvBBDWgsQRtP_LNrXsO6cPm0HE5vDDXIfUdkhf0hDh0nulD0yjn52Q&utm_content=278085462&utm_source=hs_email