EP1988874A2 - Pharmazeutische formulierung für aerosole mit zwei oder mehr wirkstoffen und mindestens einer oberflächenaktiven substanz - Google Patents

Pharmazeutische formulierung für aerosole mit zwei oder mehr wirkstoffen und mindestens einer oberflächenaktiven substanz

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Publication number
EP1988874A2
EP1988874A2 EP07704378A EP07704378A EP1988874A2 EP 1988874 A2 EP1988874 A2 EP 1988874A2 EP 07704378 A EP07704378 A EP 07704378A EP 07704378 A EP07704378 A EP 07704378A EP 1988874 A2 EP1988874 A2 EP 1988874A2
Authority
EP
European Patent Office
Prior art keywords
pharmaceutical preparation
preparation according
acid
active
amino
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.)
Withdrawn
Application number
EP07704378A
Other languages
German (de)
English (en)
French (fr)
Inventor
Erhard Berkel
Hubert Hoelz
Friedrich Schmidt
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.)
Boehringer Ingelheim Pharma GmbH and Co KG
Boehringer Ingelheim Pharmaceuticals Inc
Original Assignee
Boehringer Ingelheim Pharma GmbH and Co KG
Boehringer Ingelheim Pharmaceuticals Inc
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
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Application filed by Boehringer Ingelheim Pharma GmbH and Co KG, Boehringer Ingelheim Pharmaceuticals Inc filed Critical Boehringer Ingelheim Pharma GmbH and Co KG
Publication of EP1988874A2 publication Critical patent/EP1988874A2/de
Withdrawn legal-status Critical Current

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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
    • A61K9/0043—Nose
    • 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
    • A61K31/13—Amines
    • A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
    • A61K31/137—Arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine or methadone
    • 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
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/46—8-Azabicyclo [3.2.1] octane; Derivatives thereof, e.g. atropine, cocaine
    • 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
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/47—Quinolines; Isoquinolines
    • A61K31/4738—Quinolines; Isoquinolines ortho- or peri-condensed with heterocyclic ring systems
    • A61K31/4745—Quinolines; Isoquinolines ortho- or peri-condensed with heterocyclic ring systems condensed with ring systems having nitrogen as a ring hetero atom, e.g. phenantrolines
    • 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
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/47—Quinolines; Isoquinolines
    • A61K31/48—Ergoline derivatives, e.g. lysergic acid, ergotamine
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • 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
    • 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
    • A61K9/008—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy comprising drug dissolved or suspended in liquid propellant for inhalation via a pressurized metered dose inhaler [MDI]
    • 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
    • A61K9/10—Dispersions; Emulsions
    • A61K9/12—Aerosols; Foams
    • A61K9/124—Aerosols; Foams characterised by the propellant
    • 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
    • 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
    • A61P11/08—Bronchodilators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/08—Antiallergic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

Definitions

  • composition for aerosols with two or more active substances and at least one surface-active substance
  • the present invention relates to novel pharmaceutical formulations for aerosols having at least two or more active ingredients together with at least one surfactant for inhalative or nasal application.
  • the active ingredients can be formulated as a solution or suspension. In the vast majority will be
  • Aerosol formulations for metered dose inhalers are prepared as a suspension, in particular if the preparation contains more than one active substance. Only to a small extent are solution formulations used. In these cases, the formulations normally contain only one active ingredient. In a suspension, the chemical stability of the active ingredients is generally much higher than in solution. In addition, the active ingredient may be more concentrated in a suspension than in a solution, so that the suspension formulation allows higher dosages.
  • the suspended particles accumulate over time (eg during storage) to more or less stable, larger aggregates or form loose flocs, sediment or float or, in the worst case, show particle growth, thereby reducing pharmaceutical grade of the product is significantly deteriorated.
  • the size of the resulting particles or the speed of the particle growth is influenced by the solution properties of the liquid phase.
  • the ingress of moisture during storage or an intentional increase in polarity e.g. by adding co-solvents, having a devastating effect on the quality of the medical end product, especially when the suspended particles have polar structural elements.
  • surface-active substances physical stabilization of the suspension can be achieved by reducing the disturbing influence of moisture and / or particle growth and allowing suspended particles to remain suspended for longer.
  • Solution formulations are naturally unaffected by the problems of increasing particle size or segregation processes such as sedimentation or flocculation. In this case, however, there is a great danger of chemical degradation processes. Another disadvantage is that the limited solubility of the ingredients can prevent a high dose application.
  • a particularly suitable solvent in the past, the fluorohydrocarbons TG 1 1 (trichlorofluoromethane), TG 12 (dichlorodifluoromethane) and TG 1 14 (Dichlortetrafiuorethan) have proven. By adding co-solvents, the solubility of Inhaitsstoffe can be increased.
  • additional measures must be taken to chemically stabilize the dissolved components.
  • CFCs such as CFCs
  • TG 1 used.
  • CFCs are associated with the destruction of the ozone layer, their production and use are phased out.
  • HFA special fluorocarbons
  • the toxicological profile and physicochemical properties, e.g. the vapor pressure determine which HFA are suitable for metered dose aerosols. The most promising of these are TG 134a (1, 1,2,2-tetrafluoroethane) and TG 227 (1,1,1,2,3,3,3-heptafluoropropane).
  • aerosol formulations with two or more active ingredient components may be desired.
  • the active ingredients are uniformly formulated in the required concentration as a solution or uniformly as a suspension, which is often associated with problems with regard to the chemical stability or the achievable concentration of the individual active ingredients.
  • the active agents can not be suspended or is unstable, or when in a solution formulation, one of the agents is chemically unstable or does not dissolve, particularly when using HFA as the propellant.
  • two or more active substances together with at least one surface-active substance in a formulation can be formulated side by side as a solution and as a suspension and this formulation has improved properties.
  • the invention relates to a pharmaceutical preparation in the form of stable aerosol formulations with fluorocarbons as propellant, in particular TG 134a and / or TG 227, which consists of two or more active ingredients, wherein at least one active ingredient is formulated as a solution and at least one active ingredient as a suspension and further the formulation contains at least one surfactant to improve the properties of the formulation.
  • the pharmaceutical preparation according to the invention is used for the inhalative treatment, in particular of diseases of the oropharynx and the respiratory tract, e.g. asthmatic diseases and COPD.
  • the invention further relates to metered dose inhalers which contain the pharmaceutical preparation according to the invention.
  • a medically useful active ingredient combination of two or more active ingredients is used together with at least one surface-active substance for inhalative or nasal application.
  • substance formulations or substance mixtures all inhalable compounds are used, such as e.g. also inhalable macromolecules, as disclosed in EP 1 003 478.
  • substances, substance formulations or substance mixtures are used for the treatment of respiratory diseases, which are used in the inhalation area.
  • drugs selected from the group consisting of anticholinergics, betamimetics, steroids, phosphodiesterase IV inhibitors, LTD4 antagonists and EGFR kinase inhibitors, antiallergic drugs, derivatives of ergot alkaloids, triptans, CGRP antagonists, phosphodiesterase - V inhibitors, and combinations of such agents, eg
  • Betamimetics plus anticholinergics or betamimetics plus antiallergics In the case of combinations, at least one of the active ingredients has chemically bound water. Preference is given to using anticholinergics-containing active substances, as monoproparates or in the form of combination preparations.
  • Anticholinergic agents used are preferably selected from the group consisting of tiotropium bromide, oxitropium bromide, flutropium bromide, ipratropium bromide, glycopyrronium salts, trospium chloride, tolterodine, 2,2-diphenylpropionic acid propenoic methobromide, 2,2-diphenylpropionic acid copinester methobromide, 2-fluoro-2,2-dibutyl 2-fluoro-2,2-diphenylacetic acid tropol ester methobromide, 2-fluoro-2,2-diphenylacetic acid tropol ester methobromide, 3,3',4,4'-tetrafluorobenzilic acid-tropol ester methobromide, 3,3 ', 4,4'-tetrafluorobenzilic acid copoprene metho-methoxide, 4,4'-difluorobenzilic acid, propeno-ester
  • Applicable steroids are preferably selected from the group consisting of prednisolone, prednisone, butixocortepionate, RPR-106541, flunisolide, beclomethasone, triamcinolone, budesonide, fluticasone, mometasone, ciclesonide, rofleponide, ST-126, dexamethasone, 6cc, 9 ⁇ -difluoro- 17 ⁇ - [(2-furanylcarbonyl) oxy] -1 ⁇ -hydroxy-16 ⁇ -methyl-3-oxo-androsta-1,4-diene-17 ⁇ -carbothionic acid (S) -fluoromethyl ester, 6 ⁇ , 9 ⁇ -difluoro-1-ol hydroxy-16 ⁇ -methyl-3-oxo-17 ⁇ -propionyloxy-androsta-1,1,4-diene-17 ⁇ -carbothionic acid (S) - (2-oxo-tetrahydrofuran-3S-yl) ester
  • Applicable PDE IV inhibitors are preferably selected from the group consisting of enprofylline, theophylline, roflumilast, ariflo (cilomilast), CP-325,366, BY343, D-4396 (Sch-351591), AWD-12-281 (GW-842470 ), N- (3,5-dichloro-1-oxopyridin-4-yl) -4-difluoromethoxy-3-cyclopropylmethoxybenzamide, NCS-613, pumafentine, (-) p- [(4aR *, 1 ObS *) -9-ethoxy-1,2,3,4,4a, 10b-hexahydro-8-methoxy-2-methylbenzo [s] [1, 6] -naphthyridin-6-yl] -N, N-diisopropylbenzamide, ( R) - (+) - 1- (4-bromobenzyl) -4 - [(
  • Applicable LTD4 antagonists are preferably selected from the group consisting of montelukastol, l - (((R) - (3- (2- (6,7-difluoro-2-quinolinyl) ethenyl) phenyl) -3- (2 - (2-hydroxy-2-propyl) phenyl) thio) methylcyclopropane-acetic acid, 1 - (((1 (R) -3 (3- (2- (2- (2,3-dichlorothieno [3,2-b] pyridine -5-yl) - (E) -ethenyl) phenyl) -3- (2- (1-hydroxy-1-methylethyl) phenyl) propyl) thio) methyl) cyclopropaneacetic acid, pranlukast, zafirlukast, [2- [2-] (4-tert-butyl-2-thiazolyl) -5-benzofuranyI]
  • Applicable EGFR kinase inhibitors are preferably selected from the group consisting of cetuximab, trastuzumab, ABX-EGF, Mab ICR-62, 4 - [(3-chloro-4-fluorophenyl) amino] -6 - ⁇ [4- (morpholin-4-yl) -l-oxo-2-buten-l "yl] amino ⁇ -7- cyclopropylmethoxy-quinazo Hn, 4 - [(R) - (1-phenylethyl) amino] -6 - ⁇ [4- (morpholin-4-yl) -1-oxo-2-buten-1-yl] -aryl] -7 ⁇ cyclopenty!
  • salts are selected from the group consisting of hydrochloride, hydrobromide, hydroiodide, hydrosulfate, hydrophosphate, hydro methanesulfonate, hydronitrate, hydro maleate, hydroacetate, hydrobenzoate, hydrocitrate, hydrofi-mariate, hydrotartrate, hydroxalate, hydrosuccinate, hydrobenzoate and hydro-p-toluenesulfonate, preferably hydrochloride, hydrobromide, hydrosulfate , Hydrophosphate, hydrofi-maleate and hydromethanesulfonate understood.
  • one or more of the following active ingredients are suspended: budesonide, cromoglicinic acid, nedocromil, reproterol and / or salbutamol (albuterol) or esters, salts and / or solvates derived from these compounds and one or more of the following Substances dissolved: beclomethasone, fenoterol, ipratropium bromide, orciprenaline and / or oxitropium bromide, N - [[2,2-dimethyl-4- (2-oxo-2H-pyridin-1-yl) -6-trifluoromethyl-2H-1-benzopyran] 3-yl] methyl] -N-hydroxy-acetamide or esters, salts and / or solvates derived from these compounds.
  • beclomethasone fenoterol, ipratropium bromide, orciprenaline and / or oxitropium bromide
  • the pharmaceutical preparation preferably contains a combination of active ingredients from the group of the following active substances: beclomethasone, budesonide, cromoglicinic acid, fenoterol, flunisolide, fluticasone, ipratropium, nedocromil orciprenaline, oxitropium bromide, reproterol, salbutamol, salmeterol (albuterol), terbutaline, N - [[2, 2-dimethyl-4- (2-oxo-2H-pyridin-l ⁇ yl) - 6-trifluoromethyl-2H-1-benzopyran-3-yl] methyl] -N-hydroxyacetamide whose esters, salts and / or solvates.
  • active substances from the group of the following active substances: beclomethasone, budesonide, cromoglicinic acid, fenoterol, flunisolide, fluticasone, ipratropium, nedocromil orciprena
  • a particularly preferred embodiment of the pharmaceutical preparation contains dissolved ipratropium bromide monohydrate, in particular in combination with salbutamol sulphate (albuterol sulphate) as suspended active ingredient.
  • the active ingredients are employed in a therapeutically effective amount, i. in an amount that can effect the success of the treatment.
  • concentration of active ingredients and the volume per spray is adjusted so that the medically necessary, or recommended amount of the respective active substance is released by one or a few sprays.
  • One embodiment relates to formulations in which the suspended particles are stabilized by the addition of surface-active substances.
  • This has the advantage that the particle size can also be maintained over a longer period of time, e.g. during storage, remains pharmaceutically stable and acceptable.
  • Preference is given to particle sizes of up to 20 .mu.m, very particular preference is given to particle sizes of between 5 and 15 .mu.m, in the most favorable case a maximum of 10 .mu.m.
  • the advantage of these particle sizes is that the particles are small enough to penetrate deep into the lungs, but not so small as to be exhaled with the exchanged air.
  • surface-active substances are all pha ⁇ nako logically compatible substances which have a lipophilic hydrocarbon radical and one or more functional hydrophilic group (s), in particular suitable are C 5-2 o-fatty alcohols, Cs. 2 o-fatty acids, Cs- 2O fatty acid esters, lecithin, glycerides, propylene glycol esters, polyoxyethylenes, polysorbates, sorbitan esters and / or carbohydrates.
  • C 1 -C 20 -fatty acids, propylene glycol diesters and / or triglycerides and / or sorbitans of C 8 -C 10 -fatty acids particular preference is given to a sodium or potassium salt of a C 3-10 fatty acid, an oleic acid and a sorbitan mono-, di-2 or trioleate, a polyvinylpyrrolidone, a polyvinyl alcohol, a polyoxyethylene sorbitan ester, a polyoxyethylene glycol ester, a polyoxyethylene fatty acid ester, a polyoxypropylene fatty acid ester, a polyoxyethylene-polyoxypropylene block copolymer, an alkylpolyglycoside, a benzalkonium chloride and / or a cetylpyridinium chloride, Are very particularly preferably polyvinylpyrrolidone K25 (Povidone ® 25), polyoxyethylene-20-S orbitan mono laurate
  • the surface-active agents are preferably present in the formulations according to the invention in a concentration of 0.001 to 5% (m / m), particularly preferably of 0.01 to 3% (m / m).
  • one or more, preferably one of the abovementioned surfactants is present in a concentration of 0.02 to 0.2% (m / m), preferably 0.05 to 0.15% (m / m), in particular 0.1% (m / m).
  • one or more, preferably one of the abovementioned surfactants is present in a concentration of 0.3 to 2.5% (m / m), preferably 0.4 to 2% (m / m). m), more preferably 0.5 to 1, 5% (rn / m), further preferably 0.75 to 1.25% (m / m), in particular 1.0% (m / m).
  • Another advantage of said surfactants is that they can also be used as valve lubricants. Therefore, one embodiment relates to formulations in which said surfactants are added as valve lubricants.
  • the solubility of the active substance (s) to be dissolved is increased by adding co-solvents.
  • co-solvents This has the advantage that the active substance (s) to be dissolved can be formulated in a higher concentration.
  • the addition of co-solvent must not lead to an exceeding of the critical polarity threshold of the liquid phase, starting from which one of the disadvantages described above occurs for the suspended active substance particles.
  • Suitable co-solvents are pharmacologically acceptable alcohols, such as ethanol, esters or water or mixtures thereof, preference is given to ethanol.
  • the concentration of co-solvent With respect to the entire formulation may be 0.0001 to 50% (m / m), preferably 0.01 to 25% (m / m). In a preferred embodiment, the concentration of co-solvent is 1 to 20% (m / m), preferably 5 to 15% (m / m). Very particular preference is given to formulations according to the invention in which the concentration of co-solvent is 8 to 12% (m / m), in particular 10% (m / m).
  • concentrations given in the context of the present invention are always percent by mass [% m / m] based on the mass of the overall formulation.
  • HFA propellant gases are added to the HFA propellant.
  • added propellant gases may, in addition to other fluorocarbons, also be saturated, lower hydrocarbons, such as propane, butane, isobutane or pentane, provided pharmacological safety exists for the mixture.
  • stabilizers are added to the formulation, which advantageously affects the pharmaceutical stability of the active ingredients over an extended period of time, e.g. during storage.
  • stabilizers are understood to mean those substances which prolong the shelf life and usefulness of the pharmaceutical preparation by virtue of chemical changes in the individual ingredients, in particular the active ingredients, eg. As by follow-up or degradation reactions, prevent or delay or prevent biological contamination.
  • Stabilizers which are preferred in this sense are those which influence the pH of the liquid phase, e.g. Acids and / or their salts. Particularly suitable are hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, ascorbic acid, citric acid and salts thereof.
  • the concentration of the above-mentioned stabilizers is preferably in a range of 0.0001 to 0.02% (m / m), preferably in a range of 0.0005 to 0.01% (m / m).
  • Particularly preferred formulations according to the invention contain the stabilizers mentioned in a concentration of 0.001 to 0.008% (m / m), wherein a content of 0.002 to 0.006% (m / m), especially about 0.004% (m / m) is particularly important according to the invention.
  • a particularly preferred embodiment includes suspended salbutamol sulphate (albuterol sulphate), dissolved ipratropium bromide, ethanol as co-soivens and citric acid as Stabilizer.
  • These formulations particularly preferred according to the invention contain the active ingredient salbutamol sulphate, preferably in a concentration of 0.1 to 0.3% (m / m), more preferably 0.15 to 0.25% (m / m), particularly preferably 0.18 to 0.22% (m / m).
  • These formulations which are particularly particularly preferred according to the invention also contain ipratratium bromide monohydrate in a concentration of preferably 0.02 to 0.05% (m / m), particularly preferably 0.03 to 0.04% (m / m).
  • compositions according to the invention in which the ratio of the abovementioned concentrations of the two active compounds salbutamol sulphate and ipratropium bromide monohydrate is in a range from 5: 1 to 6: 1, particularly preferably in a range from 5.5: 1 to 5.9: 1 lies.
  • the formulations are filled into suitable metal containers for metered dose aerosols:
  • the metal containers are closed with suitable metering valves.
  • suitable metal containers are for. B. stainless steel monobloc cans (DIN 1.4539) from Presspart Manufacturing Ltd., Blackburn UK with a nominal volume of 17 ml.
  • Suitable metering valves are z. B. BK 357 or BK 361 Bespak Europe Ltd., King's Lynn, UK.
  • the metered dose inhaler according to the invention preferably contains a pharmaceutical preparation with a combination of active ingredients of the following group: beclomethasone, budesonide, cromoglicinic acid, fenoterol, flunisolide, fluticasone, ipratropium, nedocromil orciprenaline, oxitropium bromide, reproterol, salbutamol, salmeterol
  • the metered dose inhaler according to the invention very particularly preferably contains a pharmaceutical preparation which contains the active ingredient combination salbutamol sulphate (albuterol sulphate) and ipratropium bromide monohydrate.

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  • Pain & Pain Management (AREA)
  • Immunology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
EP07704378A 2006-02-09 2007-02-06 Pharmazeutische formulierung für aerosole mit zwei oder mehr wirkstoffen und mindestens einer oberflächenaktiven substanz Withdrawn EP1988874A2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006006207 2006-02-09
DE102006053374A DE102006053374A1 (de) 2006-02-09 2006-11-10 Pharmazeutische Formulierung für Aerosole mit zwei oder mehr Wirkstoffen und mindestens einer oberflächenaktiven Substanz
PCT/EP2007/051095 WO2007090822A2 (de) 2006-02-09 2007-02-06 Pharmazeutische formulierung für aerosole mit zwei oder mehr wirkstoffen und mindestens einer oberflächenaktiven substanz

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EP1988874A2 true EP1988874A2 (de) 2008-11-12

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US (1) US20070183982A1 (ko)
EP (1) EP1988874A2 (ko)
JP (1) JP2009526012A (ko)
KR (1) KR20080098656A (ko)
CN (1) CN102861339A (ko)
AR (1) AR059350A1 (ko)
AU (1) AU2007213819B2 (ko)
BR (1) BRPI0707594A2 (ko)
CA (1) CA2641883A1 (ko)
DE (1) DE102006053374A1 (ko)
EA (1) EA014776B1 (ko)
EC (1) ECSP088653A (ko)
IL (1) IL193274A0 (ko)
NO (1) NO20083375L (ko)
NZ (1) NZ571016A (ko)
PE (2) PE20070951A1 (ko)
TW (1) TW200800294A (ko)
UY (1) UY30139A1 (ko)
WO (1) WO2007090822A2 (ko)

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KR20080098656A (ko) 2008-11-11
NZ571016A (en) 2012-01-12
CA2641883A1 (en) 2007-08-16
PE20070951A1 (es) 2007-09-24
PE20120023A1 (es) 2012-02-13
JP2009526012A (ja) 2009-07-16
EA200801767A1 (ru) 2009-02-27
ECSP088653A (es) 2008-10-31
UY30139A1 (es) 2007-09-28
AR059350A1 (es) 2008-03-26
WO2007090822A2 (de) 2007-08-16
WO2007090822A3 (de) 2007-11-08
TW200800294A (en) 2008-01-01
AU2007213819B2 (en) 2012-11-15
DE102006053374A1 (de) 2007-08-16
NO20083375L (no) 2008-10-30
EA014776B1 (ru) 2011-02-28
BRPI0707594A2 (pt) 2011-05-10
CN102861339A (zh) 2013-01-09
IL193274A0 (en) 2009-08-03
AU2007213819A1 (en) 2007-08-16
US20070183982A1 (en) 2007-08-09

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