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Novex Talalmanyfejleszto Es Ertekesito Kulkereskedelmi Rt.

Janos Plachy

Istvan Racz

Peter Szentmiklosi

Laszlo Gyarmati

Peter Szentmiklost

The invention relates to a new pharmaceutical preparation of high acid-binding capacity, of delayed effect, of increased bioavailability for neutralization of gastric acid and optionally to other pharmaceutical preparations acting in the gastrointestinal tract, first of all of laxative effect by mixing 100 parts by mass of a powdered basic magnesium compound or the powdered mixture of basic magnesium compounds and basic aluminium compounds with 2-2500 parts of a dry or swollen organic acid of polymeric character and therapeutically acceptable, e.g. cellulose-glycolic acid, starch-glycolic acid or polymer acrylic and/or methacrylic acid, letting this powdered mixture to stand for 1-24 hours at the temperature of 20.degree.-80.degree. C. after addition of 50-500 parts by mass of water and forming tablets or other pharmaceutical preparations, optionally after addition of 5-60 parts by mass of smoothing agents and/or other pharmaceutical excipients, or transforming the mixture containing the basic active ingredients and the polymeric organic acid in liquid suspension by adding water and optionally excipients.

Pharmaceutical preparations of high gastric acid binding capacity,

Proceeding for the production of pharmaceutical preparations of high

The present invention relates to a solid oral pharmaceutical preparation with protracted release of the active ingredient consisting of discrete solid granules containing the active ingredient soluble in the stomach and auxiliary agents and of an equally solid external phase surrounding the said granules, whereby the granules forming the internal phase consist of granules prepared from a powder mixture which contains as active ingredient, or in addition to it a non-toxic metal compound, being capable of binding an acid, and being insoluble or but slightly soluble in neutral aqueous medium--particularly bismuth, aluminium or magnesium compound--and auxiliary materials prepared with an aqueous emulsion containing a hydrophobic component and hydrophylic emulsifiers, and the external phase contains a solid, dry, amphoteric gel forming substance in an amount of 1-50 percent w/w related to the total weight of the preparation in admixture with auxiliary agents. The preparation is produced by the wetting of the powder mixture containing the basic metal compound, auxiliary material and in given case additional active ingredient with the aqueous emulsion of the hydrophobic component prepared by applying the hydrophylic emulsifiers then by granulation and admixing the dried granules with the amphoteric gel forming substance, and pressing it into tablets, or filling into capsules.

Solid oral pharmaceutical product with increased efficacy and

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Budapest, Hungary

Janos Plachy