FIELD: medicine, pharmacy. SUBSTANCE: invention proposes an agent for prolonged effect of hypolipidemic medicinal preparation and medicinal composition for reduction of lipids level based on thereof. Agent represents anion-exchange resin without cross-linked intermolecular linkages comprising structural unit of the general formula (I) 
with radical values given in the invention claim. Invention provides both the gradual release of medicinal preparations with high stability and synergistic effect with regards to reduction of blood cholesterol level by both components. EFFECT: enhanced effectiveness and valuable medicinal properties of agent. 7 cl, 2 dwg, 1 tbl, 12 ex
