CA2115065A1 - Ultrafine Particle Powder for Inhalation and Method for Production Thereof - Google Patents

Ultrafine Particle Powder for Inhalation and Method for Production Thereof

Info

Publication number
CA2115065A1
CA2115065A1 CA 2115065 CA2115065A CA2115065A1 CA 2115065 A1 CA2115065 A1 CA 2115065A1 CA 2115065 CA2115065 CA 2115065 CA 2115065 A CA2115065 A CA 2115065A CA 2115065 A1 CA2115065 A1 CA 2115065A1
Authority
CA
Canada
Prior art keywords
inhalation
ultrafine particle
production
particle powder
powder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2115065
Other languages
French (fr)
Other versions
CA2115065C (en
Inventor
Kiyoyuki Sakon
Masahiro Sakagami
Yuji Makino
Yoshiki Suzuki
Hideki Kobayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2115065A1 publication Critical patent/CA2115065A1/en
Application granted granted Critical
Publication of CA2115065C publication Critical patent/CA2115065C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/007—Pulmonary tract; Aromatherapy
    • A61K9/0073—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy
    • A61K9/0075—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy for inhalation via a dry powder inhaler [DPI], e.g. comprising micronized drug mixed with lactose carrier particles

Abstract

An ultrafine particle powder for inhalation to be delivered mainly to a lower airway, containing specific cellulose lower alkyl ethers and a medicament, at least 80% of the powder having a particle size in the range of 0.5 to 10 µm.
CA002115065A 1992-06-12 1993-06-11 Ultrafine particle powder for inhalation and method for production thereof Expired - Fee Related CA2115065C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP4/153538 1992-06-12
JP15353892 1992-06-12
JP21513392 1992-08-12
JP4/215133 1992-08-12
PCT/JP1993/000786 WO1993025198A1 (en) 1992-06-12 1993-06-11 Ultrafine powder for inhalation and production thereof

Publications (2)

Publication Number Publication Date
CA2115065A1 true CA2115065A1 (en) 1993-12-23
CA2115065C CA2115065C (en) 2000-10-03

Family

ID=26482128

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002115065A Expired - Fee Related CA2115065C (en) 1992-06-12 1993-06-11 Ultrafine particle powder for inhalation and method for production thereof

Country Status (9)

Country Link
US (1) US5972388A (en)
EP (1) EP0611567B1 (en)
KR (1) KR100277622B1 (en)
AT (1) ATE222754T1 (en)
AU (1) AU659328B2 (en)
CA (1) CA2115065C (en)
DE (1) DE69332240T2 (en)
ES (1) ES2177544T3 (en)
WO (1) WO1993025198A1 (en)

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US6284287B1 (en) 1994-07-16 2001-09-04 Asta Medica Ag Particulate formulation for administration by inhalation
US6794357B1 (en) 1993-06-24 2004-09-21 Astrazeneca Ab Compositions for inhalation

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US6794357B1 (en) 1993-06-24 2004-09-21 Astrazeneca Ab Compositions for inhalation
US6284287B1 (en) 1994-07-16 2001-09-04 Asta Medica Ag Particulate formulation for administration by inhalation

Also Published As

Publication number Publication date
EP0611567B1 (en) 2002-08-28
ES2177544T3 (en) 2002-12-16
US5972388A (en) 1999-10-26
ATE222754T1 (en) 2002-09-15
DE69332240D1 (en) 2002-10-02
DE69332240T2 (en) 2003-04-10
CA2115065C (en) 2000-10-03
KR100277622B1 (en) 2001-01-15
AU659328B2 (en) 1995-05-11
EP0611567A4 (en) 1996-10-23
EP0611567A1 (en) 1994-08-24
WO1993025198A1 (en) 1993-12-23
AU4355693A (en) 1994-01-04

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20110613