Method and therapeutic system for administering scopolamine tran

Details Method and therapeutic system for administering scopolamine tran Method and therapeutic system for administering scopolamine tran

1977-03-14

1981-04-14

Waddell, Frederick E.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Parasitic organism or component thereof or substance...

A61K 31445

Patent

active

042620031

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.

REFERENCES:
patent: 3797494 (1974-03-01), Zaffaroni
patent: 3996934 (1976-12-01), Zaffaroni
Clin. Pharmacol Ther. 11, 621-627 (1970).

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