We’d like to announce the launching and marketing of a new Potassium-sparing diuretic Spirinolactone-MIC, capsule 25 mg #30 and capsules 50 mg #30.Comparative bioequivalent studies of the drug Spirinolactone-MIC, capsule 50 g, manufacturer Minskintercaps, against the drug Verospiron, capsule 50 mg, manufacturer G.Richter Plc., Hungary, were carried out in municipal clinical hospital N.5 in Minsk. The results proved the equivalence of the parameters Absorption Rate and Comparative Bioavailability of Spirinolactone-MIC manufactured by Minsk9intercaps, and of Verospiron Gedeon Richter Plc., either for API Spirinolactone or its active metabolite Canrenone кin administration after meal.