| 摘要 |
A device for the transdermal administration of a drug for the treatment of memory impairment comprising: (a) a drug impermeable backing layer; (b) a drug permeable rate controlling membrane sealed to one side of said backing layer as to define at least one drug reservoir compartment therebetween; (c) an adhesive layer; (d) a drug or composition thereof within said hollow drug reservoir; said drug comprising a memory improving effective amount of a compound having the formula <IMAGE> wherein X1, X2, X3, X4, independently represent -H or lower alkyl; said composition comprising said drug and at least one pharmaceutically acceptable adjunct; whereby said drug is delivered in a controlled, continuous manner to a patient to which said device has been applied.
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