Topical compositions and methods for treating pain
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United States of America Patent
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Oct 28, 2003
Grant Date -
May 1, 2003
app pub date -
Aug 17, 2001
filing date -
Aug 17, 2001
priority date (Note) -
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Abstract
Topical compositions and methods for treating pain. The invention provides oil-in-water emulsions comprising an antidepressant; an NMDA-receptor antagonists; a lipophilic component; water; and a surfactant. The compositions induce a local-anesthetic effect when topically administered to intact skin thereby treating or preventing pain, for example, neuropathic pain.
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