Iontophoresis Drug Delivery Formulation Providing Acceptable Sensation and Dermal Anesthesia
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United States of America Patent
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Issued Date -
Apr 5, 2007
app pub date -
Sep 29, 2006
filing date -
Sep 30, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A shelf-stable electrically assisted transdermal drug delivery system for highly effective electrotransport of an anesthetic and a vasoconstrictor producing clinically acceptable dermal anesthesia and sensation is provided. In certain embodiments the anesthetic includes lidocaine and the vasoconstrictor includes epinephrine. Medicament delivery is affected to provide dermal anesthesia with little or no sensation during delivery, as measured by a variety of indicator tests. Methods of producing dermal anesthesia in patients are also provided.
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