PHARMACEUTICAL COMPOSITION FOR TREATING ARTERIAL HYPERTENSION AND CONGESTIVE CARDIAC FAILURE AND METHOD FOR PREPARING IT Russian patent published in 2013 - IPC A61K31/403 A61K47/02 A61K47/18 A61K47/00 A61K9/20 A61J3/10 A61P9/00 

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to medicine, more specifically to an agent to be used for treating arterial hypertension and congestive cardiac failure. A pharmaceutical composition contains ramipril, a combination of sodium bicarbonate and arginine as a stabiliser, lactose monohydrate, microcrystalline cellulose, hypromellose, sodium croscarmellose, glidant and a lubricant and optionally a dying agent. A method for preparing the pharmaceutical composition involves moisturising of a mixture of ramipril, lactose monohydrate, microcrystalline cellulose, sodium bicarbonate, and optionally the dying agent in a solution of hypromellose and arginine, granulation, drying, dry granulation, addition of sodium croscarmellose, glidant and the lubricant, and tableting of the prepared mixture. The pharmaceutical composition in the form of a solid dosage form is characterised by decreased formation of all impurities, including ramiprilate and diketopiperazine ramipril, fast release of the active substance, high strength and storage stability of the quality characteristics guaranteed within more than 2 years of shelf life.

EFFECT: preparing the agent for treating arterial hypertension and congestive cardiac failure.

11 cl, 2 tbl, 12 ex