CONTROLLED RELEASE COMPOSITIONS AND METHODS FOR USING SAME

摘要

Pharmaceutical preparations adapted for mucosal delivery of a pharmacologically effective dose of a pharmacologically active agent to a mammal, said pharmaceutical preparation comprising microcapsules adapted to provide controlled release of said pharmacologically effective dose, said microcapsules comprising a shell and a core, said core comprising a quantity of a single enantiomer of said pharmacologically active agent, is selected from the group consisting of antihistamines and anticholinergics.