Procedimiento para producir microcapsulas entericas de alginato de calcio que contienen diclofenaco o una de sus sales composición farmacéutica oral que las comprende combinacion farmaceutica.
Method for producing enteric microcapsules without coating, containing diclofenac or one of the salts thereof with satisfactory anti-inflammatory activity and low gastric aggressiveness and a pharmaceutical composition containing them. The method comprises a) preparing a mixture in water-ethanol with an alginate salt, adding diclofenac or one of the salts thereof previously diluted with a surfactant and sodium bicarbonate b) adding the previous solution to a solution with a calcium salt c) resuspending the microcapsules obtained and isolated in an aqueous solution of the alginate salt and d) isolating, drying and sieving through 1000 and 250 micron meshes the microcapsules obtained and selecting the fraction comprised between both meshes. The pharmaceutical composition can be an oral composition, tablets, chewable tablets, or a powder for suspension in water.PROCEDIMIENTO PARA PRODUCIR MICROCAPSULAS ENTERICAS DE ALGINATO DE CALCIO QUE CONTIENEN DICLOFENACO O UNA DE SUS SALES COMPOSICIÓN FARMACÉUTICA ORAL QUE LAS COMPRENDE COMBINACION FARMACEUTICA.
