| abstract |
Compositions and methods useful for improved and controlled transdermal and transmembrane drug delivery of topical and systemic agents. The compositions and methods comprise a pharmacologically active drug together with a non-toxic pharmaceutically acceptable ion exchange resin, and a salt in a gel-forming vehicle and topically administering to human or animal skin or other membranes the resulting compositions. If desired, a penetration enhancer may also be employed in the compositions of this invention. |