| 摘要 |
Described in the present invention is an intra-vaginal drug delivery system comprising a core comprising a first thermoplastic polymer and a first therapeutic agent, wherein the first therapeutic agent is dissolved in the first thermoplastic polymer, and a skin surrounding the core comprising a second thermoplastic polymer, wherein the first therapeutic agent is less permeable in the second thermoplastic polymer than the first thermoplastic polymer, and a second therapeutic agent in solid form, loaded in a portion of the skin. |
