| abstract |
Taste masked multi-layered particles include an inert core, one or more coating layer(s) comprising a pharmaceutically active ingredient and a binder, an intermediate coating layer (seal coating) free from a low molecular weight water-soluble ionic compound and including a water-soluble pharmaceutical film-forming compound selected from (i) HPMC and PEG or (ii) PVP, and an outer coating layer (final or taste masking coating) free from a low molecular weight water-soluble ionic compound and comprising (i) a poly(meth)acrylate or (ii) a mixture including 60-90% (w/w) EC and 10-40% (w/w) HPMC, where the pharmaceutically active ingredient is water-soluble and includes either at least one basic group and/or a bitter taste. Further disclosed are methods for the production of such particles and pharmaceutical compositions including such particles. |