DRUG ADMINISTRATION METHOD - NEW X NAT TECHNOLOGY K K

Title:

DRUG ADMINISTRATION METHOD

Document Type and Number:

WIPO Patent Application WO/2003/070110

Kind Code:

A1

Abstract:

A method of administering a drug whereby a fine drug powder can be accurately administered to a target site (in particular, a target site in the body cavity) via fluidization and spraying with a gas by using a microtube. Concerning the administration mode, in particular, the drug alone or a biopolymer is administered or the biopolymer is employed as a carrier in the above method. More specifically speaking, a method of administering a fine drug powder which comprises finely milling one or more types fine particles of the drug and/or the biopolymer, blending them each other, fluidizing the blend with a gas, then transporting the fluidized matter in a microtube by the gas stream and spraying the fine drug powder from the tip of the microtube toward the target site. Further, an administration method which comprises concentrically providing a capillary tube in the microtube, supplying an aqueous solution of the drug and/or the biopolymer from the capillary tube into the gas stream and then mixing it with other fine particles of the drug and/or the biopolymer under transportation by the gas.

More Like This:

JP5198716	Aerosol formulations of formoterol and ciclesonide
JP6507127	Foamable composition
WO/2005/041931	PHARMACEUTICAL AEROSOL COMPOSITIONS

Inventors:

SUZUKI SHIGEKI (JP)

Application Number:

PCT/JP2003/001693

Publication Date:

August 28, 2003

Filing Date:

February 18, 2003

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NEW X NAT TECHNOLOGY K K (JP)
SUZUKI SHIGEKI (JP)

International Classes:

A61K9/12; A61M13/00; A61B17/00; (IPC1-7): A61B17/11

Domestic Patent References:

WO1994022427A1	1994-10-13
WO1998031414A1	1998-07-23
WO1996032978A1	1996-10-24

Other References: