• I E Chazova, S Y Yarovoy, and N M Danilov.
• National Medical Research Center of Cardiology.
• Terapevt Arkh. 2019 Dec 15; 91 (12): 4-9.

AbstractPulmonary arterial hypertension (PAH) is a severe, disabling disease characterized by an increase pressure in the pulmonary artery (PA), an increase pressure in the right atrium, and a decrease of the cardiac output. It combines several diseases: idiopathic pulmonary hypertension, inherited pulmonary hypertension, PAH induced by medication and toxins, PAH associated with systemic diseases of connective tissue, HIV infection, portal hypertension, congenital heart defects, schistosomiasis. In the absence of treatment, PAH quickly leads to insufficiency of the right heart and premature death. An effective PAH therapy did not exist for a long time. However, in 1987 there was established a positive effect of taking large doses of calcium channel blockers in patients, who "responded" to their prescription in the short term, and in recently several groups of specific drugs have been developed and approved for the treatment of this pathology: prostacyclin analogues and prostacyclin receptors agonists, endothelin receptor antagonists, phosphodiesterase type 5 inhibitors and soluble guanylate cyclase stimulators. Modern studies of treatment of PAH are based on the latest data of the molecular transmission mechanisms of intracellular and intercellular signals, the action of hormones and tissue enzymes. The available results of these studies allow to suggest the inclusion to clinical guidelines several new drugs for the pathogenetic treatment of PAH in the near future: receptor tyrosine kinase inhibitors, Rho - kinase inhibitors, immunosuppressants and type 2 activin receptor agonists, protein kinase C inhibitors, aromatase inhibitors and estrogen receptor antagonists, poly-(ADP-ribose)-polymerase inhibitors and bromodomain protein 4, elastase inhibitors. Some of the drugs have already passed the III phase of clinical trials (imatinib), others are at the preclinical stage or at the I-II phase tests (olaparib, enzastaurin, elafin).

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