What is the role of prostacyclin analogues and agonists in the treatment of pulmonary arterial hypertension (PAH)?

Updated: Apr 25, 2018
  • Author: Kristin E Schwab, MD; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

Prostacyclin is a strong vasodilator of all vascular beds and a potent endogenous inhibitor of platelet aggregation. Platelet effects result from activation of intracellular adenylate cyclase and from increased cyclic adenosine monophosphate (cAMP) concentrations within platelets. Prostacyclin may decrease thrombogenesis and platelet clumping in the lungs by inhibiting platelet aggregation. These agents may include epoprostenol, treprostinil, iloprost, and selexipag.


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