PROCESSO PARA A PREPARACAO DE UMA COMPOSICAO SOB A FORMA DE COMPRIMIDO OU DRAGEIA CONTENDO UM INGREDIENTE ACTIVO DE PREFERENCIA UM DERIVADO DE AMINOGUANIDINA SENSIVEL AO CALOR LUZ E HUMIDADE TENDO ESTRETURA CRISTALINA MONOCLINICA

PCT No. PCT/HU91/00039 Sec. 371 Date Jun. 5, 1992 Sec. 102(e) Date Jun. 5, 1992 PCT Filed Aug. 23, 1991 PCT Pub. No. WO92/03126 PCT Pub. Date Mar. 5, 1992.The invention relates to a process for the preparation of a tablet or dragée composition containing a moisture-, heat- and light-sensitive compounds having monoclinic crystalline structure as active ingredients, which comprises homogenizing the active ingredient with 0.2 to 1.5 parts by weight of an anhydrous alkaline earth metal salt and 0.5 to 2.5 parts by weight of microcrystalline cellulose calculated for the active ingredient and optionally with one or more pharmaceutically acceptable carrier(s) and/or additive(s) and compressing the homogeneous mixture obtained to tablets in a manner known per se and, if desired, coating the tablet thus obtained in a manner known per se.