19th February 2025

A patient with idiopathic pulmonary hypertension who did not show a positive response to vasoreactivity testing presents to your clinic.

A patient with idiopathic pulmonary hypertension who did not show a positive response to vasoreactivity testing presents to your clinic. At the time of diagnosis they were a WHO functional class II and deemed to be intermediate risk. They were started on standard dual therapy and have returned 2 months later. Their symptoms have progressed, and they are now in the WHO functional class IV category.  Which medication would you consider adding in for this patient?

Select the SINGLE most appropriate option from the list below. Select ONE option only.