WO1998031350A1 - New formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml, comprising budesonide - Google Patents

New formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml, comprising budesonide Download PDF

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Publication number
WO1998031350A1
WO1998031350A1 PCT/SE1998/000038 SE9800038W WO9831350A1 WO 1998031350 A1 WO1998031350 A1 WO 1998031350A1 SE 9800038 W SE9800038 W SE 9800038W WO 9831350 A1 WO9831350 A1 WO 9831350A1
Authority
WO
WIPO (PCT)
Prior art keywords
bulk density
composition according
budesonide
carrier substance
formulation
Prior art date
Application number
PCT/SE1998/000038
Other languages
French (fr)
Inventor
Jan Trofast
Original Assignee
Astra Aktiebolag
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
Family has litigation
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Priority to BR9806892-0A priority Critical patent/BR9806892A/en
Priority to NZ336592A priority patent/NZ336592A/en
Priority to SI9830910T priority patent/SI1019033T1/en
Priority to DE69839275T priority patent/DE69839275T2/en
Priority to JP1998534216A priority patent/JP4512202B6/en
Priority to IL13084098A priority patent/IL130840A/en
Priority to UA99074042A priority patent/UA57762C2/en
Priority to EP98901616A priority patent/EP1019033B1/en
Priority to EEP199900320A priority patent/EE03998B1/en
Application filed by Astra Aktiebolag filed Critical Astra Aktiebolag
Priority to AU57857/98A priority patent/AU726916B2/en
Priority to SK957-99A priority patent/SK283948B6/en
Priority to HU0000841A priority patent/HU228312B1/en
Priority to DK98901616T priority patent/DK1019033T3/en
Priority to PL334493A priority patent/PL191569B1/en
Priority to KR10-1999-7006412A priority patent/KR100528418B1/en
Priority to CA002277914A priority patent/CA2277914C/en
Publication of WO1998031350A1 publication Critical patent/WO1998031350A1/en
Priority to IS5110A priority patent/IS2563B/en
Priority to NO19993537A priority patent/NO327451B1/en
Priority to HK00104815A priority patent/HK1025516A1/en

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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
    • A61K31/58—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A61P11/06—Antiasthmatics

Abstract

A dry powder composition comprising budesonide and a carrier substance, both of which are in finely divided form, wherein the formulation has a poured bulk density of from 0.28 to 0.38 g/ml is useful in the treatment of respiratory disorders.

Description

NEW FORMULATION FOR INHALATION HAVING A POURED BULK DENSITY OF FROM 0.28 TO 0.38 G/ML, COMPRISING BUDESONIDE
Field of the Invention
The present invention provides a new pharmaceutical formulation, its preparation and its use.
Background to the Invention
Potent drugs for administration by inhalation are generally formulated in association with carriers such as lactose because of the problem of preparing accurate doses. When such drugs are diluted, variations in the weight of the formulation result in a smaller drug dosage variation rate compared with when they are not diluted. These formulations have generally consisted of coarse particles of the carrier with fine particles of the drug, which combination is generally known as an ordered mixture.
The invention provides an improved formulation which, in systems designed to imitate inhalation has been found to give an improved dispersion of the drug.
Description of the Invention
According to the invention there is provided a dry powder composition comprising budesonide and a carrier substance, both of which are in finely divided form, wherein the formulation has a poured bulk density of from 0.28 to 0.38 g/ml, preferably from 0.30 to 0.36 g/ml.
The poured bulk density according to the present invention is measured using known techniques, for example those described in "Powder testing guide: Methods of measuring the physical properties of Bulk powders" L. Svarovsky, Elsevier Applied Science 1987, pp 84-86. The carrier substance is preferably a mono-, di- or polysaccharide, a sugar alcohol or another polyol. Suitable carriers are, for example, lactose, glucose, raffinose, melezitose, lactitol, maltitol, trehalose, sucrose, mannitol; and starch. Lactose is particularly preferred, especially in the form of its monohydrate.
The ingredients of the formulation according to the invention must both be in a finely divided form, i.e. their mass median diameter should generally be less than 10 μm, preferably from 1 to 7 μm, as measured by a laser diffraction instrument or a coulter counter. The ingredients may be produced in the desired particle size using methods known to those of skill in the art, e.g. milling, micronisation or direct precipitation.
The composition according to the invention is preferably formulated to comprise, as a daily dose, from 20 to 4300 μg of budesonide (preferably from 80 to 2150 μg). More preferably the composition is formulated to provide unit doses of 200 μg or 400 μg of budesonide. The composition is preferably formulated to comprise in each unit dose from 50 μg to 25 mg of the carrier substance, more preferably from 50 μg to lOmg, most preferably from 100 to 4000 μg.
According to the invention there is further provided a process for preparing a composition according to the invention which comprises
(a) micronising budesonide and the carrier substance;
(b) optionally conditioning the product; and
(c) spheronizing until the desired bulk density is obtained.
The process preferably further comprises a low energy remicronisation step after step (b).
The formulation according to the invention may be made by conventional techniques known per se. Such production processes generally comprise micronising the ingredients to the required size, removing any amorphous areas on the particles obtained by, for example, the methods described in WO 92/18110 or WO 95/05805 and then agglomerating, spheronising and sieving the powder obtained. The size of the agglomerates obtained is preferably in the range of from 100 to 2000 μm, more preferably from 100 to 800 μm. The bulk density of the formulation produced may be adjusted by varying the components and the process empirically, for example the bulk density can be increased by lengthening the time in which the particles are tumbled in a spheronising device.
In solid-solid mixing, one of the most important features is to ensure content uniformity. The major problem encountered in the powder mixing of fine powders is the inability of mixers to break down powder agglomerates. It has been found that a remicronisation step after the conditioning step of the fine powder with low energy input is advantageous. It should generally be carried out using enough energy to break down powder agglomerates but not with so much energy that the size of the particles themselves is affected. Such a step gives a composition wherein the active substance and carrier substance are substantially uniformly distributed, having for example a relative standard deviation of less than 3% (preferably less than 1%) without disturbing the crystallinity of the fine particles.
The formulation according to the invention may be administered using any known dry powder inhaler, for example the inhaler may be a single or a multi dose inhaler, and may be a breath actuated dry powder inhaler, for example Turbuhaler (trade mark). The invention further provides use of a composition according to the invention in the manufacture of a medicament for use in therapy. The composition according to the invention is useful in the treatment of respiratory disorders, particularly asthma. The invention also provides a method of treating a patient suffering from a respiratory disorder which comprises administering to the patient a therapeutically effective amount of a composition according to the invention.
The invention is illustrated, but not limited, by reference to the following Example. Example
9 Parts of budesonide and 91 parts of lactose monohydrate were micronised separately in a spiral jet mill at a pressure of about 6-7 bars to give a particle size of less than 3 μm before being mixed thoroughly in a Turbula mixer. Before mixing, the lactose monohydrate powder was conditioned according to the method described in WO 95/05805. The mixture was remicronised in a spiral jet mill at a pressure of only about 1 bar to obtain a uniform mixture. The powder was then agglomerated by feeding the powder into a twin screw feeder (K-Tron), sieving in an oscillating sieve (0.5 mm mesh size), spheronising in a rotating pan with a peripheral speed of 0.5m/s for 4 minutes and then sieving again using the same sieve, then spheronising once more for 6 minutes before final sieving (mesh size 1.0 mm) giving a powder with a bulk density of 0.35 g/ml.

Claims

Claims
1. A dry powder composition comprising budesonide and a carrier substance, both of which are in finely divided form, wherein the formulation has a poured bulk density of from 0.28 to 0.38 g/ml.
2. A composition according to claim 1 wherein the bulk density is from 0.30 to 0.36 g/ml.
3. A composition according to claim 1 or 2 wherein the active substance and carrier substance are substantially uniformly distributed.
4. A composition according to claim 1, 2 or 3 for use in the treatment of a respiratory disorder.
5. A process for preparing a composition according to claim 1 which comprises
(a) micronising budesonide and the carrier substance;
(b) optionally conditioning the product; and
(c) spheronizing until the desired bulk density is obtained.
6. A process according to claim 5 which comprises a low energy remicronisation step after step (b).
7. Use of a composition according to claim 1, 2 or 3 in the manufacture of a medicament for use in therapy.
8. A method of treating a patient suffering from a respiratory disorder which comprises administering to the patient a therapeutically effective amount of a composition according to claim 1, 2 or 3.
PCT/SE1998/000038 1997-01-20 1998-01-13 New formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml, comprising budesonide WO1998031350A1 (en)

Priority Applications (19)

Application Number Priority Date Filing Date Title
CA002277914A CA2277914C (en) 1997-01-20 1998-01-13 New formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml, comprising budesonide
SK957-99A SK283948B6 (en) 1997-01-20 1998-01-13 New formulation for inhalation, process for preparing the formulation and the use thereof for medicament preparation
AU57857/98A AU726916B2 (en) 1997-01-20 1998-01-13 New formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml, comprising budesonide
HU0000841A HU228312B1 (en) 1997-01-20 1998-01-13 New formulation for inhalation having a poured bulk density of from 0,28 to 0,38 g/ml, comprising budesonide
NZ336592A NZ336592A (en) 1997-01-20 1998-01-13 Formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml comprising finely divided budesonide and a carrier
IL13084098A IL130840A (en) 1997-01-20 1998-01-13 Formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml comprising budesonide
UA99074042A UA57762C2 (en) 1997-01-20 1998-01-13 Novel composition for inhalation comprising budesonide with bulk density from 0.28 to 0.38 g/ml
EP98901616A EP1019033B1 (en) 1997-01-20 1998-01-13 New formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml, comprising budesonide
EEP199900320A EE03998B1 (en) 1997-01-20 1998-01-13 Inhalation form containing budesonide in bulk density of 0.28 to 0.38 g / ml
BR9806892-0A BR9806892A (en) 1997-01-20 1998-01-13 New formulation for inhalation; showing volumetric density, when poured, from 0.20 to 038 g / ml, comprising budesonide
SI9830910T SI1019033T1 (en) 1997-01-20 1998-01-13 New formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml, comprising budesonide
JP1998534216A JP4512202B6 (en) 1997-01-20 1998-01-13 Novel formulation for inhalation with bulk density of 0.28 to 0.38 g / ML containing budesonide
DE69839275T DE69839275T2 (en) 1997-01-20 1998-01-13 NEW FORMULATION FOR INHALATION WITH A BULK DENSITY BETWEEN 0.28 AND 0.38 G / ML, CONTAINING BUDENSONIDES
DK98901616T DK1019033T3 (en) 1997-01-20 1998-01-13 New formulation for inhalation having a poured bulk density of 0.28 to 0.38 g / ml which includes budesonide
PL334493A PL191569B1 (en) 1997-01-20 1998-01-13 Novel inhalable preparation of 0.28 to 0.38 g/ml bulk density containing budesonide
KR10-1999-7006412A KR100528418B1 (en) 1997-01-20 1998-01-13 New Formulation for Inhalation Having a Poured Bulk Density of from 0.28 to 0.38 g/㎖, Comprising Budesonide
IS5110A IS2563B (en) 1997-01-20 1999-07-06 New inhalation mixture with a liquid concentration of 0.28 to 0.38 g / ml containing budesonide
NO19993537A NO327451B1 (en) 1997-01-20 1999-07-19 Dry powder composition comprising budesonide as well as process for its preparation
HK00104815A HK1025516A1 (en) 1997-01-20 2000-08-01 New formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml, comprising budesonide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9700133A SE9700133D0 (en) 1997-01-20 1997-01-20 New formulation
SE9700133-3 1997-01-20

Publications (1)

Publication Number Publication Date
WO1998031350A1 true WO1998031350A1 (en) 1998-07-23

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ID=20405452

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1998/000038 WO1998031350A1 (en) 1997-01-20 1998-01-13 New formulation for inhalation having a poured bulk density of from 0.28 to 0.38 g/ml, comprising budesonide

Country Status (35)

Country Link
US (1) US6027714A (en)
EP (1) EP1019033B1 (en)
JP (1) JP2010059179A (en)
KR (1) KR100528418B1 (en)
CN (1) CN1222282C (en)
AT (1) ATE389390T1 (en)
AU (1) AU726916B2 (en)
BE (1) BE1011400A5 (en)
BR (1) BR9806892A (en)
CA (1) CA2277914C (en)
CZ (1) CZ295083B6 (en)
DE (1) DE69839275T2 (en)
DK (1) DK1019033T3 (en)
EE (1) EE03998B1 (en)
ES (2) ES2302348T3 (en)
FR (1) FR2759908B1 (en)
GR (1) GR1003290B (en)
HK (1) HK1025516A1 (en)
HU (1) HU228312B1 (en)
ID (1) ID22883A (en)
IE (1) IE980024A1 (en)
IL (1) IL130840A (en)
IS (1) IS2563B (en)
NL (1) NL1008019C2 (en)
NO (1) NO327451B1 (en)
NZ (1) NZ336592A (en)
PL (1) PL191569B1 (en)
PT (1) PT1019033E (en)
RU (1) RU2180563C2 (en)
SE (1) SE9700133D0 (en)
SI (1) SI1019033T1 (en)
SK (1) SK283948B6 (en)
TR (1) TR199901691T2 (en)
UA (1) UA57762C2 (en)
WO (1) WO1998031350A1 (en)

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JP2002529402A (en) * 1998-11-05 2002-09-10 アストラゼネカ・アクチエボラーグ Dry powder pharmaceutical formulation
JP2003534272A (en) * 2000-05-19 2003-11-18 アストラゼネカ・アクチエボラーグ New method
DE102007049931A1 (en) 2007-10-18 2009-04-23 Pharmatech Gmbh Apparatus and method for the continuous production of spherical powder agglomerates
WO2011110852A1 (en) 2010-03-10 2011-09-15 Astrazeneca Ab Polymorphic forms of 6- [2- (4 -cyanophenyl) - 2h - pyrazol - 3 - yl] - 5 -methyl - 3 - oxo - 4 - (trifluoromethyl - phenyl) 3,4-dihydropyrazine-2-carboxylic acid ethylamide
EP2821061A1 (en) 2013-07-01 2015-01-07 Arven Ilac Sanayi Ve Ticaret A.S. Novel inhalation formulations
US9730890B2 (en) 2003-07-10 2017-08-15 Mylan Pharmaceuticals, Inc. Bronchodilating beta-agonist compositions and methods
WO2021058454A1 (en) 2019-09-24 2021-04-01 Chiesi Farmaceutici S.P.A. Novel carrier particles for dry powder formulations for inhalation

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JP4843140B2 (en) * 1998-11-05 2011-12-21 アストラゼネカ・アクチエボラーグ Dry powder pharmaceutical formulation
JP2003534272A (en) * 2000-05-19 2003-11-18 アストラゼネカ・アクチエボラーグ New method
JP2013040214A (en) * 2000-05-19 2013-02-28 Astrazeneca Ab Novel process
FR2809692A1 (en) 2000-05-31 2001-12-07 Ecia Equip Composants Ind Auto Cover assembly for vehicle air bag, has rigid structural element with line of reduced resistance to outline flap, and form rupture line and hinge, formed by flexible layer stuck on to structural layer
US9730890B2 (en) 2003-07-10 2017-08-15 Mylan Pharmaceuticals, Inc. Bronchodilating beta-agonist compositions and methods
DE102007049931A1 (en) 2007-10-18 2009-04-23 Pharmatech Gmbh Apparatus and method for the continuous production of spherical powder agglomerates
WO2011110852A1 (en) 2010-03-10 2011-09-15 Astrazeneca Ab Polymorphic forms of 6- [2- (4 -cyanophenyl) - 2h - pyrazol - 3 - yl] - 5 -methyl - 3 - oxo - 4 - (trifluoromethyl - phenyl) 3,4-dihydropyrazine-2-carboxylic acid ethylamide
EP2821061A1 (en) 2013-07-01 2015-01-07 Arven Ilac Sanayi Ve Ticaret A.S. Novel inhalation formulations
WO2021058454A1 (en) 2019-09-24 2021-04-01 Chiesi Farmaceutici S.P.A. Novel carrier particles for dry powder formulations for inhalation

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Publication number Publication date
DE69839275D1 (en) 2008-04-30
NO993537L (en) 1999-09-17
PL191569B1 (en) 2006-06-30
HUP0000841A2 (en) 2000-10-28
DK1019033T3 (en) 2008-06-09
SE9700133D0 (en) 1997-01-20
NL1008019C2 (en) 1998-12-16
NO327451B1 (en) 2009-07-06
KR20000070186A (en) 2000-11-25
ES2302348T3 (en) 2008-07-01
BE1011400A5 (en) 1999-08-03
HK1025516A1 (en) 2000-11-17
SK283948B6 (en) 2004-05-04
GR980100021A (en) 1998-09-30
HUP0000841A3 (en) 2001-01-29
CA2277914A1 (en) 1998-07-23
US6027714A (en) 2000-02-22
BR9806892A (en) 2000-05-16
CN1243434A (en) 2000-02-02
AU5785798A (en) 1998-08-07
TR199901691T2 (en) 1999-09-21
UA57762C2 (en) 2003-07-15
GR1003290B (en) 2000-01-03
IE980024A1 (en) 1998-10-07
EP1019033A1 (en) 2000-07-19
IL130840A (en) 2005-03-20
RU2180563C2 (en) 2002-03-20
PT1019033E (en) 2008-05-13
IL130840A0 (en) 2001-01-28
DE69839275T2 (en) 2009-04-02
ID22883A (en) 1999-12-16
EP1019033B1 (en) 2008-03-19
IS2563B (en) 2009-12-15
KR100528418B1 (en) 2005-11-16
CN1222282C (en) 2005-10-12
EE03998B1 (en) 2003-04-15
IS5110A (en) 1999-07-06
ES2148059A1 (en) 2000-10-01
FR2759908B1 (en) 2000-04-21
JP2010059179A (en) 2010-03-18
SI1019033T1 (en) 2008-08-31
NO993537D0 (en) 1999-07-19
AU726916B2 (en) 2000-11-23
JP2001509811A (en) 2001-07-24
EE9900320A (en) 2000-02-15
NZ336592A (en) 2001-01-26
CA2277914C (en) 2006-08-29
CZ295083B6 (en) 2005-05-18
NL1008019A1 (en) 1998-07-22
ATE389390T1 (en) 2008-04-15
SK95799A3 (en) 2000-01-18
FR2759908A1 (en) 1998-08-28
CZ255599A3 (en) 1999-10-13
ES2148059B1 (en) 2001-04-01
HU228312B1 (en) 2013-03-28
JP4512202B2 (en) 2010-07-28
PL334493A1 (en) 2000-02-28

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