Actelion Ltd has submitted a Marketing Authorization Application (MAA) to the European Medicines Agency (EMA) for Uptravi (selexipag) for the treatment of patients with pulmonary arterial hypertension (PAH).

Selexipag is selective IP prostacyclin receptor agonist. Prostacyclin activates the IP receptor inducing vasodilation and inhibiting proliferation of vascular smooth muscle cells. If approved, it will be the first such drug cleared for use in PAH.