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US 4,820,720 AGranted
Transdermal drug composition with dual permeation enhancers
AssigneeAlza Corporation
InventorsHarold F. Sanders, Yu-Ling Cheng, David J. Enscore, Shari B. Libicki
Life of this patent
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Abstract
A dosage form that coadministers a drug and two percutaneous absorption enhancers to a defined area of the skin is described. The dosage form comprises a body that contains supplies of drug and enhancers and has a basal surface that contacts the area of skin and transmits the drug and enhancers to the area for absorption thereby.
Claims10
A composition of matter for application to a body surface or membrane to deliver a drug at a therapeutically effective rate by permeation through a body surface or membrane comprising, in combination:
- a dual permeation enhancer comprising glycerol monolaurate and ethanol, and the drug to be delivered.
Dependencies are inferred from the claim text.