Formulations

A chewable tablet pharmaceutical composition consisting of two layers,

• a first layer comprising a first formulation, which contains an active compound selected from 2-[4-(diphenylmethyl)-1-piperazinyl]-acetic acids and their amides having the general formula I
• wherein
• R1 is a —COOH group or a —CONH2 group, and
• X1 and X2, taken separately, each represent a hydrogen atom, a halogen atom, a straight-chain or branched C1-C4 alkoxy group or a trifluoromethyl group as well as their pharmaceutically acceptable salts, geometrical isomers, enantiomers, diastereomers and mixtures thereof, wherein the first layer does not contain polyols having a molecular weight of less than 300 in a molar ratio between the polyol and active compound of formula I above 10;
• and
• a second layer comprising a second formulation, which contains one or more solid polyol(s) with a molecular weight of less than 3000, wherein the second layer is free of any drug,
• wherein the tablet is chewable, and wherein at least one of the formulations further contains an alkalinizing agent.