前列环素
曲前列环素
医学
伊洛前列素
药理学
内科学
作者
Roberto del Pozo,Ignacio Hernández‐González,Pilar Escribano Subías
标识
DOI:10.1080/17476348.2017.1317599
摘要
Introduction: Prostacyclin is produced in vascular endothelial cells and acts via the IP prostacyclin receptor to cause vasodilation and inhibit smooth muscle cell proliferation and platelet aggregation. Prostacyclin production is reduced in pulmonary arterial hypertension (PAH), and drugs targeting the prostacyclin pathway are one of the pharmacotherapeutic options for PAH.Areas covered: The prostacyclin pathway and drugs that target it are discussed, including synthetic prostacyclin (epoprostenol), prostacyclin analogs (iloprost, treprostinil, beraprost) and selective prostacyclin IP receptor agonists (selexipag). An overview of the development of these therapies, from the earlier agents requiring parenteral administration, through inhaled formulations, to oral products, is provided, together with a summary of data from key clinical trials and registries.Expert commentary: Synthetic prostacyclin and prostacyclin analogs are beneficial for patients with PAH, but they tend to be underused, in part due to the difficulties associated with the administration of parenteral and inhaled formulations. Oral prostacyclin analogs have some limitations with regard to efficacy. The newest agent targeting the prostacyclin pathway, the selective prostacyclin receptor agonist selexipag, is administered orally, and has been shown to reduce a composite morbidity/mortality endpoint. Ongoing studies will help clarify how best to use it in the management of PAH.
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