Orally disintegrating solid pharmaceutical dosage unit containing a partus control substance

An orally disintegrating solid pharmaceutical dosage unit having a weight between 50 and 1,000 mg and comprising:

• (a) 5-100 wt. % of coated particles comprising 50-99 wt. % of a core particle and 1-50 wt. % of a coating that envelops the core particle, the coating comprising:
• (i) 0.01-10 wt. % of a partus control substance selected from oxytocin, carbetocin, atosiban and combinations thereof;
• (ii) 5-50 wt. % of buffering agent;
• (iii) 15-80 wt. % of branched glucan;
• (iv) 0-78 wt. % of other pharmaceutically acceptable ingredients;
• (b) 0-95 wt. % of one or more pharmaceutically acceptable excipients;
• wherein the solid dosage unit comprises at least 20 μg of the partus control substance and has a pH buffer range of 3.5-5.7, determined by dispersing 1 g of the solid dosage unit in 10 ml of distilled water at 20° C. and measuring the pH after all soluble components of the dosage unit have dissolved in the water.