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ATC Group: B01AC21 Treprostinil

Anatomical Therapeutic Chemical Classification System



Hierarchical Position

Active Ingredients

Chemical substance

Treprostinil is a vasodilator that is used for the treatment of pulmonary arterial hypertension. Treprostinil is a potent oral antiplatelet agent. The major pharmacologic actions of treprostinil are direct vasodilation of pulmonary and systemic arterial vascular beds and inhibition of platelet aggregation. Other studies have shown that treprostinil causes a dose-related negative inotropic and lusitropic effect. Treprostinil had high affinity for the Prostaglandin D2 receptor (DP1), Prostaglandin E2 receptor EP2 subtype (EP2) and Prostaglandin D2 receptor (IP) receptors (Ki 4.4, 3.6 and 32 nM, respectively), low affinity for EP1 and EP4 receptors and even lower affinity for EP3, Prostaglandin F (FP) and thromboxane (TP) receptors. Treprostinil has demonstrated a unique effect on PPAR gamma, a transcription factor important in vascular pathogenesis as a mediator of proliferation, inflammation and apoptosis.