A prostaglandin that is a powerful vasodilator and inhibits platelet aggregation. It is biosynthesized enzymatically from prostaglandin endoperoxides in human vascular tissue. The sodium salt has been also used to treat primary pulmonary hypertension.

Iloprost is an analog of prostacyclin (PGI2; epoprostenol), an endogenous prostanoid mainly produced in the vascular endothelium. It is more stable than prostacyclin, which is short-lived.[A263326] Iloprost consists of a mixture of the 4R and 4S diastereoisom…

Treprostinil is a stable tricyclic analogue of prostacyclin[A248770] that promotes the vasodilation of pulmonary and systemic arterial vascular beds and the inhibition of platelet aggregation.[L41855,L41860,L41865] It reduces symptoms in patients with pulmona…