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Details for Patent: 4,262,003
Summary for Patent: 4,262,003
|Title:|| Method and therapeutic system for administering scopolamine transdermally|
|Abstract:||Method and therapeutic system in the form of a bandage that administer scopolamine base transdermally in an initial pulse of 10 to 200 .mu.g/cm.sup.2 of skin that quickly brings the concentration of scopolamine in the plasma to a level at which emesis and nausea are inhibited without intolerable side effects, followed by a substantially constant dosage in the range of 0.3 to 15 .mu.g/hr that holds said level. The bandage is a four-layer laminate of, from the top: a protective backing; a gelled, mineral oil-polyisobutene-scopolamine reservoir lamina that is the source of the constant dosage; a microporous membrane that controls the constant dosage rate; and a gelled, mineral oil-polyisobutene-scopolamine adhesive layer that is the source of the pulse dose and the means by which the bandage is attached to the skin.|
|Inventor(s):|| Urquhart; John (Palo Alto, CA), Chandrasekaran; Kumar (Palo Alto, CA), Shaw; Jane (Atherton, CA) |
|Assignee:|| Alza Corporation (Palo Alto, CA) |
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