| abstract |
Sustained release pharmaceutical compositions as active ingredient, said composition containing:n a) agar in percentage amounts from 3% to 10% of the active ingredient; b) one or more substances suitable for gel formation, such as tracaganth gum, karaya gum, alginates, arabic gum, methacrylic polymers; c) a basic buffer in molar ratio with the active ingredient ranging from 0.05:1 to 1:1; d) optional binding agents, diluents, lubricants; e) optional fast disgregating, or gastroresistant or slow release coatings. |