BILAYER HYDROCOLLOID FILMS CONTAINING THERAPEUTIC AGENTS

摘要

The present invention provides a bilayer hydrocolloid pharmaceutical film, suitable for use as slow-release dressing, containing a lower layer comprising glycerol, water-based solvents and a hydrogel-forming polymer, and a upper layer comprising glycerol, water-based solvents, a hydrogel-forming polymer and a therapeutic agent. The invention further includes a method of preparation of the pharmaceutical film and its use as mucosa surface dressing.