Reckitt & Colman Products Limited

Keith Sugden

Pharmaceutical compositions in the form of a buccal tablet comprising etorphine or a salt thereof, at least one monosaccharide, disaccharide or a mixture thereof, and a mixture of xanthan gum and locust bean gum in a weight ratio 3:1 to 1:1, wherein the total weight of the mono- and/or di-saccharides relative to the combined weight of the xanthan and locust bean gums is in the ratio of 20:1 to 3:1. The tablet affords improved bioavailability.

Buccal tablet comprising etorphine or a salt thereof

Pharmaceutical compositions in the form of a buccal tablet comprise a phenothiazine derivative, at least one monosaccharide or disaccharide or a mixture thereof, and a mixture of xanthan gum and locust bean gum in a weight ratio of 3:1 to 1:1. A particular buccal tablet containing prochlorperazine maleate affords improved bioavailability.

Pharmaceutical compositions

Pharmaceutical compositions comprising mixtures of xanthan gum and locust bean gum in a specified range of ratios have been found to exhibit synergistic effects in an in vitro test model. Pharmaceutical compositions adapted for oral administration comprising mixtures of xanthan gum and locust bean gum in the range of ratios are described for use in the treatment of diabetes or of satiety.

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Beverley, United Kingdom

Keith Sugden