Powder Composition for nasal administration

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Title: Powder Composition for nasal administration
United States Patent: 6,835,389
Issued: December 28, 2004
Inventors: Dohi; Masahiko (Hino, JP); Uejima; Yasuhide (Hino, JP); Fujii; Takao (Hino, JP)
Assignee: Teijin Limited (Osaka, JP)
Appl. No.: 763671
Filed: February 26, 2001
PCT Filed: August 24, 1999
PCT NO: PCT/JP99/04559
371 Date: February 26, 2001
102(e) Date: February 26, 2001
PCT PUB.NO.: WO00/12063
PCT PUB. Date: March 9, 2000
Abstract
There is provided a powder composition for nasal administration comprising a drug having a particle size of less than 10 .mu.m or a lyophilized drug, a water-absorbing and water-slightly soluble base material, and a water-absorbing and gel-forming base materials. The composition has excellent drug absorbability.