Powdery pharmaceutical composition and powdery preparation for application to the nasal mucosa, and method for administration thereof
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United States of America Patent
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Oct 13, 1981
Grant Date -
N/A
app pub date -
Jul 30, 1980
filing date -
Jul 31, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A powdery pharmaceutical composition and a powdery preparation in unit dosage form for application to the mucosa of the nasal cavity, at least about 90% of which consists of particles having an effective particle diameter of about 20 to about 250 microns, said composition comprising a lower alkyl ether of cellulose having a viscosity, determined at about 37.degree. C. for a 2% aqueous solution thereof, of at least about 5 centipoises and a pharmaceutically effective amount of a drug; and a method for treating or preventing a human nasal disease, which comprises administering a powdery preparation in unit dosage form to the nasal cavity of a human being requiring treatment or prevention of a nasal disease through his nostrils.
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