Drug delivery device, especially for the delivery of androgens

摘要

The invention relates to a delivery device for the controlled release of a therapeutically active agent, especially an androgen, over a prolonged period of time, said device including a core containing the therapeutically active agent, and a membrane encasing the core wherein the membrane is made of an elastomer. According to the invention, the elastomer is a siloxane-based elastomer which includes 3,3,3-trifluoropropyl groups attached to the Si-atoms of the siloxane units.