Back to results
US 2014/0271799 A1Published application
Transdermal administration of fentanyl and analogs thereof
AssigneeAlza Corporation
InventorsSUBRAMANIAN S. VENKATRAMAN, SHAOLING LI, ROBERT M. GALE, JANE STEPIC, WILLIAM W. VAN OSDOL
Life of this patent
Estimating the term…
Abstract
A method and a non-rate controlled, monolithic, subsaturated patch for transdermally administering fentanyl and analogs thereof, for analgetic purposes, to a subject through skin over an extended period of time are disclosed.
Claims34
A transdermal patch for administering fentanyl or an analog thereof through the skin comprising:
- (a) a backing layer;
- and
- (b) a polyacrylate adhesive reservoir disposed on the backing layer, at least the skin contacting surface of said reservoir being adhesive;
- said reservoir being 0.0125 mm to 0.1 mm thick, comprising a single phase polymeric composition free of undissolved fentanyl or an analog thereof and containing an amount of fentanyl or an analog thereof sufficient to induce and maintain analgesia in a human for at least three days.
1 more element
A monolithic transdermal patch for administering fentanyl through the skin comprising:
- (a) a backing layer;
- and
- (b) a polyacrylate adhesive reservoir disposed on the backing layer, at least the skin contacting surface of said reservoir being adhesive;
- said reservoir being 0.0125 mm to 0.1 mm thick, comprising a single phase polymeric composition to be free of undissolved components and containing an amount of fentanyl sufficient to induce and maintain analgesia in a human for at least three days.
1 more element
A transdermal patch for administering sufentanil through the skin comprising:
- (a) a backing layer;
- and
- (b) polyacrylate adhesive reservoir disposed on the backing layer, at least the skin contacting surface of said reservoir being adhesive;
- said reservoir being 0.0125 mm to 0.1 mm thick, comprising a single phase polymeric composition to be free of undissolved sufentanil and containing an amount of sufentanil sufficient to induce and maintain analgesia in a human for at least three days.
1 more element
Dependencies are inferred from the claim text.