| abstract |
This invention relates to a tamper-resistant transdermal-delivery device comprising an opioid, or a pharmaceutically acceptable salt thereof, and an acyl opioid antagonist, or a pharmaceutically acceptable salt thereof. The transdermal-delivery device allows an analgesically effective amount of the opioid, or a pharmaceutically acceptable salt thereof, to be transdermally administered to a patient. The invention further relates to methods for treating or preventing pain in a patient comprising contacting the skin of a patient in need thereof with the transdermal-delivery device of the invention for an amount of time sufficient to treat or prevent pain. The invention further relates to acyl opioid antagonists. |