| abstract |
Described herein are compositions comprising opioids, opioid antagonists and their prodrugs, opioids, opioid antagonists and formulations comprising their prodrugs, and methods of using opioids, opioid antagonists and their prodrugs. Is done. One aspect described herein relates to transdermal administration of buprenorphine and encapsulated naltrexone in an abuse-resistant formulation for treating and preventing diseases and / or disorders. |