Physiologically active peptide composition for nasal administration
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United States of America Patent
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Oct 22, 1991
Grant Date -
N/A
app pub date -
Jul 19, 1988
filing date -
Aug 3, 1987
priority date (Note) -
Expired
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Abstract
A nasal administration powder composition containing a physiologically active peptide as an active ingredient can be efficiently absorbed through nasal mucosa by the addition of a water-soluble organic acid as an absorption promoter. This composition may further contain a diluent. The water-soluble organic acid used as absorption promoter includes, for example, at least one of succinic acid, tartaric acid, citric acid, fumaric acid, maleic acid, malonic acid, glutaric acid, adipic acid, malic acid, L-glutamic acid, L-aspartic acid, gluconic acid and glucuronic acid.
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