National Medical Research Center For Cardiology, Ministry Of Health Of Russian Federation

This study tests a new drug, Oxacom®, in 260 adults with pulmonary arterial hypertension (PAH), a condition where blood pressure in the lungs is dangerously high. Participants receive either a single or seven-day course of Oxacom® at different doses or a placebo. The main goal is…

This study tests a new drug called Refralon in 175 adults with persistent atrial fibrillation or flutter. After doctors restore normal heart rhythm, participants take either a low or high dose of Refralon or a placebo daily for 6 months. The goal is to see if the drug can prevent…