Is there any role for immunosuppressive therapy in patients with primary Sjogren's disease with severe pulmonary artery hypertension without ILD findings?

PAH (WHO Class I PH) in/and SJD is not a common relation, and as such would Rx as we Rx regarding PAH in PSS? The pathophysiology of PSS is, at least in part, a vasculopathy that SJD may not share. The question is, however, specific regarding Primary SJD and the assumption then is that this is not a...