| abstract |
The invention relates to a delivery system for activeningredients which comprises a swellable phase defining atnleast one void. In this void an active ingredient may benpresent. The active ingredient may be substantially enclosednby the swellable phase, optionally with a degradable layernpresent between the gel phase and the active ingredient. Theninvention further relates to a method for providing suchndelivery systems, a method for non-medical administration ofnactive ingredients, as well as to the use of a swellablenphase in controlled release systems. |