LINEAR ORDER RELEASE POLYMER

摘要

Intravaginal drug delivery devices, including intravaginal rings, are provided herein. The devices comprise a polyether urethane composition and a pharmaceutically effective amount of at least one vaginally administrable drug homogeneously distributed throughout the polyether urethane. The devices are capable of exhibiting a substantially zero order release profile of drug over extended periods of time. Also disclosed are methods for making the devices and methods of using the devices to prevent or treat a biological condition.