Oral transmucosal methadone
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United States of America Patent
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Issued Date -
Mar 24, 2005
app pub date -
Sep 24, 2003
filing date -
Sep 24, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Pharmaceutical compositions for oral-transmucosally administering methadone. For oral transmucosal delivery, the compositions comprise an oral dissolution agent and methadone in a dosage formulation. The dissolution agent generally causes the formulation to break down or dissolve in the oral cavity. The formulation is buffered to a pH of at least 6 for substantial absorption of the methadone through the oral mucosal tissue from the dissolved dosage form.
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