OSMOTICALLY ACTIVE VAGINAL DELIVERY SYSTEM

摘要

The present invention relates to the field of drug delivery systems. More particularly, the invention relates to osmotically active intravaginal delivery systems for the controlled release of therapeutically active substances to the vaginal cavity.

主权项

1. An osmotically active vaginal delivery system, the body of which comprises
at least one compartment comprising a composition of one or more therapeutically active substances at least one compartment, either the same or different from the one comprising the therapeutically active substance(s), which comprises an osmotical composition capable to interact with water and aqueous biological fluids to create a concentration gradient against the exterior fluid or to swell or expand to create osmotic pressure, and at least one passageway extending from the compartment comprising the composition of one or more therapeutically active substances to the outer surface of the body.